[pkg] move mail source to leap.bitmask.mail

82 files changed, 17333 insertions, 0 deletions

diff --git a/src/leap/bitmask/mail/__init__.py b/src/leap/bitmask/mail/__init__.py
new file mode 100644
index 0000000..4b25fe6
--- /dev/null
+++ b/src/leap/bitmask/mail/__init__.py
@@ -0,0 +1,26 @@
+# -*- coding: utf-8 -*-
+# __init__.py
+# Copyright (C) 2013 LEAP
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+
+"""
+Client mail bits.
+"""
+
+
+from ._version import get_versions
+__version__ = get_versions()['version']
+del get_versions
diff --git a/src/leap/bitmask/mail/_version.py b/src/leap/bitmask/mail/_version.py
new file mode 100644
index 0000000..954f488
--- /dev/null
+++ b/src/leap/bitmask/mail/_version.py
@@ -0,0 +1,484 @@
+
+# This file helps to compute a version number in source trees obtained from
+# git-archive tarball (such as those provided by githubs download-from-tag
+# feature). Distribution tarballs (built by setup.py sdist) and build
+# directories (produced by setup.py build) will contain a much shorter file
+# that just contains the computed version number.
+
+# This file is released into the public domain. Generated by
+# versioneer-0.16 (https://github.com/warner/python-versioneer)
+
+"""Git implementation of _version.py."""
+
+import errno
+import os
+import re
+import subprocess
+import sys
+
+
+def get_keywords():
+    """Get the keywords needed to look up the version information."""
+    # these strings will be replaced by git during git-archive.
+    # setup.py/versioneer.py will grep for the variable names, so they must
+    # each be defined on a line of their own. _version.py will just call
+    # get_keywords().
+    git_refnames = "$Format:%d$"
+    git_full = "$Format:%H$"
+    keywords = {"refnames": git_refnames, "full": git_full}
+    return keywords
+
+
+class VersioneerConfig:
+    """Container for Versioneer configuration parameters."""
+
+
+def get_config():
+    """Create, populate and return the VersioneerConfig() object."""
+    # these strings are filled in when 'setup.py versioneer' creates
+    # _version.py
+    cfg = VersioneerConfig()
+    cfg.VCS = "git"
+    cfg.style = "pep440"
+    cfg.tag_prefix = ""
+    cfg.parentdir_prefix = "None"
+    cfg.versionfile_source = "src/leap/mail/_version.py"
+    cfg.verbose = False
+    return cfg
+
+
+class NotThisMethod(Exception):
+    """Exception raised if a method is not valid for the current scenario."""
+
+
+LONG_VERSION_PY = {}
+HANDLERS = {}
+
+
+def register_vcs_handler(vcs, method):  # decorator
+    """Decorator to mark a method as the handler for a particular VCS."""
+    def decorate(f):
+        """Store f in HANDLERS[vcs][method]."""
+        if vcs not in HANDLERS:
+            HANDLERS[vcs] = {}
+        HANDLERS[vcs][method] = f
+        return f
+    return decorate
+
+
+def run_command(commands, args, cwd=None, verbose=False, hide_stderr=False):
+    """Call the given command(s)."""
+    assert isinstance(commands, list)
+    p = None
+    for c in commands:
+        try:
+            dispcmd = str([c] + args)
+            # remember shell=False, so use git.cmd on windows, not just git
+            p = subprocess.Popen([c] + args, cwd=cwd, stdout=subprocess.PIPE,
+                                 stderr=(subprocess.PIPE if hide_stderr
+                                         else None))
+            break
+        except EnvironmentError:
+            e = sys.exc_info()[1]
+            if e.errno == errno.ENOENT:
+                continue
+            if verbose:
+                print("unable to run %s" % dispcmd)
+                print(e)
+            return None
+    else:
+        if verbose:
+            print("unable to find command, tried %s" % (commands,))
+        return None
+    stdout = p.communicate()[0].strip()
+    if sys.version_info[0] >= 3:
+        stdout = stdout.decode()
+    if p.returncode != 0:
+        if verbose:
+            print("unable to run %s (error)" % dispcmd)
+        return None
+    return stdout
+
+
+def versions_from_parentdir(parentdir_prefix, root, verbose):
+    """Try to determine the version from the parent directory name.
+
+    Source tarballs conventionally unpack into a directory that includes
+    both the project name and a version string.
+    """
+    dirname = os.path.basename(root)
+    if not dirname.startswith(parentdir_prefix):
+        if verbose:
+            print("guessing rootdir is '%s', but '%s' doesn't start with "
+                  "prefix '%s'" % (root, dirname, parentdir_prefix))
+        raise NotThisMethod("rootdir doesn't start with parentdir_prefix")
+    return {"version": dirname[len(parentdir_prefix):],
+            "full-revisionid": None,
+            "dirty": False, "error": None}
+
+
+@register_vcs_handler("git", "get_keywords")
+def git_get_keywords(versionfile_abs):
+    """Extract version information from the given file."""
+    # the code embedded in _version.py can just fetch the value of these
+    # keywords. When used from setup.py, we don't want to import _version.py,
+    # so we do it with a regexp instead. This function is not used from
+    # _version.py.
+    keywords = {}
+    try:
+        f = open(versionfile_abs, "r")
+        for line in f.readlines():
+            if line.strip().startswith("git_refnames ="):
+                mo = re.search(r'=\s*"(.*)"', line)
+                if mo:
+                    keywords["refnames"] = mo.group(1)
+            if line.strip().startswith("git_full ="):
+                mo = re.search(r'=\s*"(.*)"', line)
+                if mo:
+                    keywords["full"] = mo.group(1)
+        f.close()
+    except EnvironmentError:
+        pass
+    return keywords
+
+
+@register_vcs_handler("git", "keywords")
+def git_versions_from_keywords(keywords, tag_prefix, verbose):
+    """Get version information from git keywords."""
+    if not keywords:
+        raise NotThisMethod("no keywords at all, weird")
+    refnames = keywords["refnames"].strip()
+    if refnames.startswith("$Format"):
+        if verbose:
+            print("keywords are unexpanded, not using")
+        raise NotThisMethod("unexpanded keywords, not a git-archive tarball")
+    refs = set([r.strip() for r in refnames.strip("()").split(",")])
+    # starting in git-1.8.3, tags are listed as "tag: foo-1.0" instead of
+    # just "foo-1.0". If we see a "tag: " prefix, prefer those.
+    TAG = "tag: "
+    tags = set([r[len(TAG):] for r in refs if r.startswith(TAG)])
+    if not tags:
+        # Either we're using git < 1.8.3, or there really are no tags. We use
+        # a heuristic: assume all version tags have a digit. The old git %d
+        # expansion behaves like git log --decorate=short and strips out the
+        # refs/heads/ and refs/tags/ prefixes that would let us distinguish
+        # between branches and tags. By ignoring refnames without digits, we
+        # filter out many common branch names like "release" and
+        # "stabilization", as well as "HEAD" and "master".
+        tags = set([r for r in refs if re.search(r'\d', r)])
+        if verbose:
+            print("discarding '%s', no digits" % ",".join(refs-tags))
+    if verbose:
+        print("likely tags: %s" % ",".join(sorted(tags)))
+    for ref in sorted(tags):
+        # sorting will prefer e.g. "2.0" over "2.0rc1"
+        if ref.startswith(tag_prefix):
+            r = ref[len(tag_prefix):]
+            if verbose:
+                print("picking %s" % r)
+            return {"version": r,
+                    "full-revisionid": keywords["full"].strip(),
+                    "dirty": False, "error": None
+                    }
+    # no suitable tags, so version is "0+unknown", but full hex is still there
+    if verbose:
+        print("no suitable tags, using unknown + full revision id")
+    return {"version": "0+unknown",
+            "full-revisionid": keywords["full"].strip(),
+            "dirty": False, "error": "no suitable tags"}
+
+
+@register_vcs_handler("git", "pieces_from_vcs")
+def git_pieces_from_vcs(tag_prefix, root, verbose, run_command=run_command):
+    """Get version from 'git describe' in the root of the source tree.
+
+    This only gets called if the git-archive 'subst' keywords were *not*
+    expanded, and _version.py hasn't already been rewritten with a short
+    version string, meaning we're inside a checked out source tree.
+    """
+    if not os.path.exists(os.path.join(root, ".git")):
+        if verbose:
+            print("no .git in %s" % root)
+        raise NotThisMethod("no .git directory")
+
+    GITS = ["git"]
+    if sys.platform == "win32":
+        GITS = ["git.cmd", "git.exe"]
+    # if there is a tag matching tag_prefix, this yields TAG-NUM-gHEX[-dirty]
+    # if there isn't one, this yields HEX[-dirty] (no NUM)
+    describe_out = run_command(GITS, ["describe", "--tags", "--dirty",
+                                      "--always", "--long",
+                                      "--match", "%s*" % tag_prefix],
+                               cwd=root)
+    # --long was added in git-1.5.5
+    if describe_out is None:
+        raise NotThisMethod("'git describe' failed")
+    describe_out = describe_out.strip()
+    full_out = run_command(GITS, ["rev-parse", "HEAD"], cwd=root)
+    if full_out is None:
+        raise NotThisMethod("'git rev-parse' failed")
+    full_out = full_out.strip()
+
+    pieces = {}
+    pieces["long"] = full_out
+    pieces["short"] = full_out[:7]  # maybe improved later
+    pieces["error"] = None
+
+    # parse describe_out. It will be like TAG-NUM-gHEX[-dirty] or HEX[-dirty]
+    # TAG might have hyphens.
+    git_describe = describe_out
+
+    # look for -dirty suffix
+    dirty = git_describe.endswith("-dirty")
+    pieces["dirty"] = dirty
+    if dirty:
+        git_describe = git_describe[:git_describe.rindex("-dirty")]
+
+    # now we have TAG-NUM-gHEX or HEX
+
+    if "-" in git_describe:
+        # TAG-NUM-gHEX
+        mo = re.search(r'^(.+)-(\d+)-g([0-9a-f]+)$', git_describe)
+        if not mo:
+            # unparseable. Maybe git-describe is misbehaving?
+            pieces["error"] = ("unable to parse git-describe output: '%s'"
+                               % describe_out)
+            return pieces
+
+        # tag
+        full_tag = mo.group(1)
+        if not full_tag.startswith(tag_prefix):
+            if verbose:
+                fmt = "tag '%s' doesn't start with prefix '%s'"
+                print(fmt % (full_tag, tag_prefix))
+            pieces["error"] = ("tag '%s' doesn't start with prefix '%s'"
+                               % (full_tag, tag_prefix))
+            return pieces
+        pieces["closest-tag"] = full_tag[len(tag_prefix):]
+
+        # distance: number of commits since tag
+        pieces["distance"] = int(mo.group(2))
+
+        # commit: short hex revision ID
+        pieces["short"] = mo.group(3)
+
+    else:
+        # HEX: no tags
+        pieces["closest-tag"] = None
+        count_out = run_command(GITS, ["rev-list", "HEAD", "--count"],
+                                cwd=root)
+        pieces["distance"] = int(count_out)  # total number of commits
+
+    return pieces
+
+
+def plus_or_dot(pieces):
+    """Return a + if we don't already have one, else return a ."""
+    if "+" in pieces.get("closest-tag", ""):
+        return "."
+    return "+"
+
+
+def render_pep440(pieces):
+    """Build up version string, with post-release "local version identifier".
+
+    Our goal: TAG[+DISTANCE.gHEX[.dirty]] . Note that if you
+    get a tagged build and then dirty it, you'll get TAG+0.gHEX.dirty
+
+    Exceptions:
+    1: no tags. git_describe was just HEX. 0+untagged.DISTANCE.gHEX[.dirty]
+    """
+    if pieces["closest-tag"]:
+        rendered = pieces["closest-tag"]
+        if pieces["distance"] or pieces["dirty"]:
+            rendered += plus_or_dot(pieces)
+            rendered += "%d.g%s" % (pieces["distance"], pieces["short"])
+            if pieces["dirty"]:
+                rendered += ".dirty"
+    else:
+        # exception #1
+        rendered = "0+untagged.%d.g%s" % (pieces["distance"],
+                                          pieces["short"])
+        if pieces["dirty"]:
+            rendered += ".dirty"
+    return rendered
+
+
+def render_pep440_pre(pieces):
+    """TAG[.post.devDISTANCE] -- No -dirty.
+
+    Exceptions:
+    1: no tags. 0.post.devDISTANCE
+    """
+    if pieces["closest-tag"]:
+        rendered = pieces["closest-tag"]
+        if pieces["distance"]:
+            rendered += ".post.dev%d" % pieces["distance"]
+    else:
+        # exception #1
+        rendered = "0.post.dev%d" % pieces["distance"]
+    return rendered
+
+
+def render_pep440_post(pieces):
+    """TAG[.postDISTANCE[.dev0]+gHEX] .
+
+    The ".dev0" means dirty. Note that .dev0 sorts backwards
+    (a dirty tree will appear "older" than the corresponding clean one),
+    but you shouldn't be releasing software with -dirty anyways.
+
+    Exceptions:
+    1: no tags. 0.postDISTANCE[.dev0]
+    """
+    if pieces["closest-tag"]:
+        rendered = pieces["closest-tag"]
+        if pieces["distance"] or pieces["dirty"]:
+            rendered += ".post%d" % pieces["distance"]
+            if pieces["dirty"]:
+                rendered += ".dev0"
+            rendered += plus_or_dot(pieces)
+            rendered += "g%s" % pieces["short"]
+    else:
+        # exception #1
+        rendered = "0.post%d" % pieces["distance"]
+        if pieces["dirty"]:
+            rendered += ".dev0"
+        rendered += "+g%s" % pieces["short"]
+    return rendered
+
+
+def render_pep440_old(pieces):
+    """TAG[.postDISTANCE[.dev0]] .
+
+    The ".dev0" means dirty.
+
+    Eexceptions:
+    1: no tags. 0.postDISTANCE[.dev0]
+    """
+    if pieces["closest-tag"]:
+        rendered = pieces["closest-tag"]
+        if pieces["distance"] or pieces["dirty"]:
+            rendered += ".post%d" % pieces["distance"]
+            if pieces["dirty"]:
+                rendered += ".dev0"
+    else:
+        # exception #1
+        rendered = "0.post%d" % pieces["distance"]
+        if pieces["dirty"]:
+            rendered += ".dev0"
+    return rendered
+
+
+def render_git_describe(pieces):
+    """TAG[-DISTANCE-gHEX][-dirty].
+
+    Like 'git describe --tags --dirty --always'.
+
+    Exceptions:
+    1: no tags. HEX[-dirty]  (note: no 'g' prefix)
+    """
+    if pieces["closest-tag"]:
+        rendered = pieces["closest-tag"]
+        if pieces["distance"]:
+            rendered += "-%d-g%s" % (pieces["distance"], pieces["short"])
+    else:
+        # exception #1
+        rendered = pieces["short"]
+    if pieces["dirty"]:
+        rendered += "-dirty"
+    return rendered
+
+
+def render_git_describe_long(pieces):
+    """TAG-DISTANCE-gHEX[-dirty].
+
+    Like 'git describe --tags --dirty --always -long'.
+    The distance/hash is unconditional.
+
+    Exceptions:
+    1: no tags. HEX[-dirty]  (note: no 'g' prefix)
+    """
+    if pieces["closest-tag"]:
+        rendered = pieces["closest-tag"]
+        rendered += "-%d-g%s" % (pieces["distance"], pieces["short"])
+    else:
+        # exception #1
+        rendered = pieces["short"]
+    if pieces["dirty"]:
+        rendered += "-dirty"
+    return rendered
+
+
+def render(pieces, style):
+    """Render the given version pieces into the requested style."""
+    if pieces["error"]:
+        return {"version": "unknown",
+                "full-revisionid": pieces.get("long"),
+                "dirty": None,
+                "error": pieces["error"]}
+
+    if not style or style == "default":
+        style = "pep440"  # the default
+
+    if style == "pep440":
+        rendered = render_pep440(pieces)
+    elif style == "pep440-pre":
+        rendered = render_pep440_pre(pieces)
+    elif style == "pep440-post":
+        rendered = render_pep440_post(pieces)
+    elif style == "pep440-old":
+        rendered = render_pep440_old(pieces)
+    elif style == "git-describe":
+        rendered = render_git_describe(pieces)
+    elif style == "git-describe-long":
+        rendered = render_git_describe_long(pieces)
+    else:
+        raise ValueError("unknown style '%s'" % style)
+
+    return {"version": rendered, "full-revisionid": pieces["long"],
+            "dirty": pieces["dirty"], "error": None}
+
+
+def get_versions():
+    """Get version information or return default if unable to do so."""
+    # I am in _version.py, which lives at ROOT/VERSIONFILE_SOURCE. If we have
+    # __file__, we can work backwards from there to the root. Some
+    # py2exe/bbfreeze/non-CPython implementations don't do __file__, in which
+    # case we can only use expanded keywords.
+
+    cfg = get_config()
+    verbose = cfg.verbose
+
+    try:
+        return git_versions_from_keywords(get_keywords(), cfg.tag_prefix,
+                                          verbose)
+    except NotThisMethod:
+        pass
+
+    try:
+        root = os.path.realpath(__file__)
+        # versionfile_source is the relative path from the top of the source
+        # tree (where the .git directory might live) to this file. Invert
+        # this to find the root from __file__.
+        for i in cfg.versionfile_source.split('/'):
+            root = os.path.dirname(root)
+    except NameError:
+        return {"version": "0+unknown", "full-revisionid": None,
+                "dirty": None,
+                "error": "unable to find root of source tree"}
+
+    try:
+        pieces = git_pieces_from_vcs(cfg.tag_prefix, root, verbose)
+        return render(pieces, cfg.style)
+    except NotThisMethod:
+        pass
+
+    try:
+        if cfg.parentdir_prefix:
+            return versions_from_parentdir(cfg.parentdir_prefix, root, verbose)
+    except NotThisMethod:
+        pass
+
+    return {"version": "0+unknown", "full-revisionid": None,
+            "dirty": None,
+            "error": "unable to compute version"}
diff --git a/src/leap/bitmask/mail/adaptors/__init__.py b/src/leap/bitmask/mail/adaptors/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/src/leap/bitmask/mail/adaptors/__init__.py
diff --git a/src/leap/bitmask/mail/adaptors/models.py b/src/leap/bitmask/mail/adaptors/models.py
new file mode 100644
index 0000000..49460f7
--- /dev/null
+++ b/src/leap/bitmask/mail/adaptors/models.py
@@ -0,0 +1,123 @@
+# -*- coding: utf-8 -*-
+# models.py
+# Copyright (C) 2014 LEAP
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+"""
+Generic Models to be used by the Document Adaptors.
+"""
+import copy
+
+
+class SerializableModel(object):
+    """
+    A Generic document model, that can be serialized into a dictionary.
+
+    Subclasses of this `SerializableModel` are meant to be added as class
+    attributes of classes inheriting from DocumentWrapper.
+
+    A subclass __meta__ of this SerializableModel might exist, and contain info
+    relative to particularities of this model.
+
+    For instance, the use of `__meta__.index` marks the existence of a primary
+    index in the model, which will be used to do unique queries (in which case
+    all the other indexed fields in the underlying document will be filled with
+    the default info contained in the model definition).
+    """
+
+    @classmethod
+    def serialize(klass):
+        """
+        Get a dictionary representation of the public attributes in the model
+        class. To avoid collisions with builtin functions, any occurrence of an
+        attribute ended in '_' (like 'type_') will be normalized by removing
+        the trailing underscore.
+
+        This classmethod is used from within the serialized method of a
+        DocumentWrapper instance: it provides defaults for the
+        empty document.
+        """
+        assert isinstance(klass, type)
+        return _normalize_dict(klass.__dict__)
+
+
+class DocumentWrapper(object):
+    """
+    A Wrapper object that can be manipulated, passed around, and serialized in
+    a format that the store understands.
+    It is related to a SerializableModel, which must be specified as the
+    ``model`` class attribute.  The instance of this DocumentWrapper will not
+    allow any other *public* attributes than those defined in the corresponding
+    model.
+    """
+    # TODO we could do some very basic type checking here
+    # TODO set a dirty flag (on __setattr__, whenever the value is != from
+    # before)
+    # TODO we could enforce the existence of a correct "model" attribute
+    # in some other way (other than in the initializer)
+
+    def __init__(self, **kwargs):
+        if not getattr(self, 'model', None):
+            raise RuntimeError(
+                'DocumentWrapper class needs a model attribute')
+
+        defaults = self.model.serialize()
+
+        if kwargs:
+            values = copy.deepcopy(defaults)
+            values.update(_normalize_dict(kwargs))
+        else:
+            values = defaults
+
+        for k, v in values.items():
+            k = k.replace('-', '_')
+            setattr(self, k, v)
+
+    def __setattr__(self, attr, value):
+        normalized = _normalize_dict(self.model.__dict__)
+        if not attr.startswith('_') and attr not in normalized:
+            raise RuntimeError(
+                "Cannot set attribute because it's not defined "
+                "in the model %s: %s" % (self.__class__, attr))
+        object.__setattr__(self, attr, value)
+
+    def serialize(self):
+        return _normalize_dict(self.__dict__)
+
+    def create(self):
+        raise NotImplementedError()
+
+    def update(self):
+        raise NotImplementedError()
+
+    def delete(self):
+        raise NotImplementedError()
+
+    @classmethod
+    def get_or_create(self):
+        raise NotImplementedError()
+
+    @classmethod
+    def get_all(self):
+        raise NotImplementedError()
+
+
+def _normalize_dict(_dict):
+    items = _dict.items()
+    items = filter(lambda (k, v): not callable(v), items)
+    items = filter(lambda (k, v): not k.startswith('_'), items)
+    items = [(k, v) if not k.endswith('_') else (k[:-1], v)
+             for (k, v) in items]
+    items = [(k.replace('-', '_'), v) for (k, v) in items]
+    return dict(items)
diff --git a/src/leap/bitmask/mail/adaptors/soledad.py b/src/leap/bitmask/mail/adaptors/soledad.py
new file mode 100644
index 0000000..ca8f741
--- /dev/null
+++ b/src/leap/bitmask/mail/adaptors/soledad.py
@@ -0,0 +1,1268 @@
+# soledad.py
+# Copyright (C) 2014 LEAP
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+"""
+Soledadad MailAdaptor module.
+"""
+import logging
+import re
+
+from collections import defaultdict
+from email import message_from_string
+
+from twisted.internet import defer
+from twisted.python import log
+from zope.interface import implements
+from leap.soledad.common import l2db
+
+from leap.common.check import leap_assert, leap_assert_type
+
+from leap.mail import constants
+from leap.mail import walk
+from leap.mail.adaptors import soledad_indexes as indexes
+from leap.mail.constants import INBOX_NAME
+from leap.mail.adaptors import models
+from leap.mail.imap.mailbox import normalize_mailbox
+from leap.mail.utils import lowerdict, first
+from leap.mail.utils import stringify_parts_map
+from leap.mail.interfaces import IMailAdaptor, IMessageWrapper
+
+from leap.soledad.common.document import SoledadDocument
+
+
+logger = logging.getLogger(__name__)
+
+# TODO
+# [ ] Convenience function to create mail specifying subject, date, etc?
+
+
+_MSGID_PATTERN = r"""<([\w@.]+)>"""
+_MSGID_RE = re.compile(_MSGID_PATTERN)
+
+
+class DuplicatedDocumentError(Exception):
+    """
+    Raised when a duplicated document is detected.
+    """
+    pass
+
+
+def cleanup_deferred_locks():
+    """
+    Need to use this from within trial to cleanup the reactor before
+    each run.
+    """
+    SoledadDocumentWrapper._k_locks = defaultdict(defer.DeferredLock)
+
+
+class SoledadDocumentWrapper(models.DocumentWrapper):
+    """
+    A Wrapper object that can be manipulated, passed around, and serialized in
+    a format that the Soledad Store understands.
+
+    It ensures atomicity of the document operations on creation, update and
+    deletion.
+    """
+    # TODO we could also use a _dirty flag (in models)
+    # TODO add a get_count() method ??? -- that is extended over l2db.
+
+    # We keep a dictionary with DeferredLocks, that will be
+    # unique to every subclass of SoledadDocumentWrapper.
+    _k_locks = defaultdict(defer.DeferredLock)
+
+    @classmethod
+    def _get_klass_lock(cls):
+        """
+        Get a DeferredLock that is unique for this subclass name.
+        Used to lock the access to indexes in the `get_or_create` call
+        for a particular DocumentWrapper.
+        """
+        return cls._k_locks[cls.__name__]
+
+    def __init__(self, doc_id=None, future_doc_id=None, **kwargs):
+        self._doc_id = doc_id
+        self._future_doc_id = future_doc_id
+        self._lock = defer.DeferredLock()
+        super(SoledadDocumentWrapper, self).__init__(**kwargs)
+
+    @property
+    def doc_id(self):
+        return self._doc_id
+
+    @property
+    def future_doc_id(self):
+        return self._future_doc_id
+
+    def set_future_doc_id(self, doc_id):
+        self._future_doc_id = doc_id
+
+    def create(self, store, is_copy=False):
+        """
+        Create the documents for this wrapper.
+        Since this method will not check for duplication, the
+        responsibility of avoiding duplicates is left to the caller.
+
+        You might be interested in using `get_or_create` classmethod
+        instead (that's the preferred way of creating documents from
+        the wrapper object).
+
+        :return: a deferred that will fire when the underlying
+                 Soledad document has been created.
+        :rtype: Deferred
+        """
+        leap_assert(self._doc_id is None,
+                    "This document already has a doc_id!")
+
+        def update_doc_id(doc):
+            self._doc_id = doc.doc_id
+            self.set_future_doc_id(None)
+            return doc
+
+        def update_wrapper(failure):
+            # In the case of some copies (for instance, from one folder to
+            # another and back to the original folder), the document that we
+            # want to insert already exists. In this  case, putting it
+            # and overwriting the document with that doc_id is the right thing
+            # to do.
+            failure.trap(l2db.errors.RevisionConflict)
+            self._doc_id = self.future_doc_id
+            self._future_doc_id = None
+            return self.update(store)
+
+        if self.future_doc_id is None:
+            d = store.create_doc(self.serialize())
+        else:
+            d = store.create_doc(self.serialize(),
+                                 doc_id=self.future_doc_id)
+        d.addCallback(update_doc_id)
+
+        if is_copy:
+            d.addErrback(update_wrapper)
+        else:
+            d.addErrback(self._catch_revision_conflict, self.future_doc_id)
+        return d
+
+    def update(self, store):
+        """
+        Update the documents for this wrapper.
+
+        :return: a deferred that will fire when the underlying
+                 Soledad document has been updated.
+        :rtype: Deferred
+        """
+        # the deferred lock guards against revision conflicts
+        return self._lock.run(self._update, store)
+
+    def _update(self, store):
+        leap_assert(self._doc_id is not None,
+                    "Need to create doc before updating")
+
+        def update_and_put_doc(doc):
+            doc.content.update(self.serialize())
+            d = store.put_doc(doc)
+            d.addErrback(self._catch_revision_conflict, doc.doc_id)
+            return d
+
+        d = store.get_doc(self._doc_id)
+        d.addCallback(update_and_put_doc)
+        return d
+
+    def _catch_revision_conflict(self, failure, doc_id):
+        # XXX We can have some RevisionConflicts if we try
+        # to put the docs that are already there.
+        # This can happen right now when creating/saving the cdocs
+        # during a copy. Instead of catching and ignoring this
+        # error, we should mark them in the copy so there is no attempt to
+        # create/update them.
+        failure.trap(l2db.errors.RevisionConflict)
+        logger.debug("Got conflict while putting %s" % doc_id)
+
+    def delete(self, store):
+        """
+        Delete the documents for this wrapper.
+
+        :return: a deferred that will fire when the underlying
+                 Soledad document has been deleted.
+        :rtype: Deferred
+        """
+        # the deferred lock guards against conflicts while updating
+        return self._lock.run(self._delete, store)
+
+    def _delete(self, store):
+        leap_assert(self._doc_id is not None,
+                    "Need to create doc before deleting")
+        # XXX might want to flag this DocumentWrapper to avoid
+        # updating it by mistake. This could go in models.DocumentWrapper
+
+        def delete_doc(doc):
+            return store.delete_doc(doc)
+
+        d = store.get_doc(self._doc_id)
+        d.addCallback(delete_doc)
+        return d
+
+    @classmethod
+    def get_or_create(cls, store, index, value):
+        """
+        Get a unique DocumentWrapper by index, or create a new one if the
+        matching query does not exist.
+
+        :param index: the primary index for the model.
+        :type index: str
+        :param value: the value to query the primary index.
+        :type value: str
+
+        :return: a deferred that will be fired with the SoledadDocumentWrapper
+                 matching the index query, either existing or just created.
+        :rtype: Deferred
+        """
+        return cls._get_klass_lock().run(
+            cls._get_or_create, store, index, value)
+
+    @classmethod
+    def _get_or_create(cls, store, index, value):
+        # TODO shorten this method.
+        assert store is not None
+        assert index is not None
+        assert value is not None
+
+        def get_main_index():
+            try:
+                return cls.model.__meta__.index
+            except AttributeError:
+                raise RuntimeError("The model is badly defined")
+
+        # TODO separate into another method?
+        def try_to_get_doc_from_index(indexes):
+            values = []
+            idx_def = dict(indexes)[index]
+            if len(idx_def) == 1:
+                values = [value]
+            else:
+                main_index = get_main_index()
+                fields = cls.model.serialize()
+                for field in idx_def:
+                    if field == main_index:
+                        values.append(value)
+                    else:
+                        values.append(fields[field])
+            d = store.get_from_index(index, *values)
+            return d
+
+        def get_first_doc_if_any(docs):
+            if not docs:
+                return None
+            if len(docs) > 1:
+                raise DuplicatedDocumentError
+            return docs[0]
+
+        def wrap_existing_or_create_new(doc):
+            if doc:
+                return cls(doc_id=doc.doc_id, **doc.content)
+            else:
+                return create_and_wrap_new_doc()
+
+        def create_and_wrap_new_doc():
+            # XXX use closure to store indexes instead of
+            # querying for them again.
+            d = store.list_indexes()
+            d.addCallback(get_wrapper_instance_from_index)
+            d.addCallback(return_wrapper_when_created)
+            return d
+
+        def get_wrapper_instance_from_index(indexes):
+            init_values = {}
+            idx_def = dict(indexes)[index]
+            if len(idx_def) == 1:
+                init_value = {idx_def[0]: value}
+                return cls(**init_value)
+            main_index = get_main_index()
+            fields = cls.model.serialize()
+            for field in idx_def:
+                if field == main_index:
+                    init_values[field] = value
+                else:
+                    init_values[field] = fields[field]
+            return cls(**init_values)
+
+        def return_wrapper_when_created(wrapper):
+            d = wrapper.create(store)
+            d.addCallback(lambda doc: wrapper)
+            return d
+
+        d = store.list_indexes()
+        d.addCallback(try_to_get_doc_from_index)
+        d.addCallback(get_first_doc_if_any)
+        d.addCallback(wrap_existing_or_create_new)
+        return d
+
+    @classmethod
+    def get_all(cls, store):
+        """
+        Get a collection of wrappers around all the documents belonging
+        to this kind.
+
+        For this to work, the model.__meta__ needs to include a tuple with
+        the index to be used for listing purposes, and which is the field to be
+        used to query the index.
+
+        Note that this method only supports indexes of a single field at the
+        moment. It also might be too expensive to return all the documents
+        matching the query, so handle with care.
+
+        class __meta__(object):
+            index = "name"
+            list_index = ("by-type", "type_")
+
+        :return: a deferred that will be fired with an iterable containing
+                 as many SoledadDocumentWrapper are matching the index defined
+                 in the model as the `list_index`.
+        :rtype: Deferred
+        """
+        # TODO LIST (get_all)
+        # [ ] extend support to indexes with n-ples
+        # [ ] benchmark the cost of querying and returning indexes in a big
+        #     database. This might badly need pagination before being put to
+        #     serious use.
+        return cls._get_klass_lock().run(cls._get_all, store)
+
+    @classmethod
+    def _get_all(cls, store):
+        try:
+            list_index, list_attr = cls.model.__meta__.list_index
+        except AttributeError:
+            raise RuntimeError("The model is badly defined: no list_index")
+        try:
+            index_value = getattr(cls.model, list_attr)
+        except AttributeError:
+            raise RuntimeError("The model is badly defined: "
+                               "no attribute matching list_index")
+
+        def wrap_docs(docs):
+            return (cls(doc_id=doc.doc_id, **doc.content) for doc in docs)
+
+        d = store.get_from_index(list_index, index_value)
+        d.addCallback(wrap_docs)
+        return d
+
+    def __repr__(self):
+        try:
+            idx = getattr(self, self.model.__meta__.index)
+        except AttributeError:
+            idx = ""
+        return "<%s: %s (%s)>" % (self.__class__.__name__,
+                                  idx, self._doc_id)
+
+
+#
+# Message documents
+#
+
+class FlagsDocWrapper(SoledadDocumentWrapper):
+
+    class model(models.SerializableModel):
+        type_ = "flags"
+        chash = ""
+
+        mbox_uuid = ""
+        seen = False
+        deleted = False
+        recent = False
+        flags = []
+        tags = []
+        size = 0
+        multi = False
+
+        class __meta__(object):
+            index = "mbox"
+
+    def set_mbox_uuid(self, mbox_uuid):
+        # XXX raise error if already created, should use copy instead
+        mbox_uuid = mbox_uuid.replace('-', '_')
+        new_id = constants.FDOCID.format(mbox_uuid=mbox_uuid, chash=self.chash)
+        self._future_doc_id = new_id
+        self.mbox_uuid = mbox_uuid
+
+    def get_flags(self):
+        """
+        Get the flags for this message (as a tuple of strings, not unicode).
+        """
+        return map(str, self.flags)
+
+
+class HeaderDocWrapper(SoledadDocumentWrapper):
+
+    class model(models.SerializableModel):
+        type_ = "head"
+        chash = ""
+
+        date = ""
+        subject = ""
+        headers = {}
+        part_map = {}
+        body = ""  # link to phash of body
+        msgid = ""
+        multi = False
+
+        class __meta__(object):
+            index = "chash"
+
+
+class ContentDocWrapper(SoledadDocumentWrapper):
+
+    class model(models.SerializableModel):
+        type_ = "cnt"
+        phash = ""
+
+        ctype = ""  # XXX index by ctype too?
+        lkf = []  # XXX not implemented yet!
+        raw = ""
+
+        content_disposition = ""
+        content_transfer_encoding = ""
+        content_type = ""
+
+        class __meta__(object):
+            index = "phash"
+
+
+class MetaMsgDocWrapper(SoledadDocumentWrapper):
+
+    class model(models.SerializableModel):
+        type_ = "meta"
+        fdoc = ""
+        hdoc = ""
+        cdocs = []
+
+    def set_mbox_uuid(self, mbox_uuid):
+        # XXX raise error if already created, should use copy instead
+        mbox_uuid = mbox_uuid.replace('-', '_')
+        chash = re.findall(constants.FDOCID_CHASH_RE, self.fdoc)[0]
+        new_id = constants.METAMSGID.format(mbox_uuid=mbox_uuid, chash=chash)
+        new_fdoc_id = constants.FDOCID.format(mbox_uuid=mbox_uuid, chash=chash)
+        self._future_doc_id = new_id
+        self.fdoc = new_fdoc_id
+
+
+class MessageWrapper(object):
+
+    # This could benefit of a DeferredLock to create/update all the
+    # documents at the same time maybe, and defend against concurrent updates?
+
+    implements(IMessageWrapper)
+
+    def __init__(self, mdoc, fdoc, hdoc, cdocs=None, is_copy=False):
+        """
+        Need at least a metamsg-document, a flag-document and a header-document
+        to instantiate a MessageWrapper. Content-documents can be retrieved
+        lazily.
+
+        cdocs, if any, should be a dictionary in which the keys are ascending
+        integers, beginning at one, and the values are dictionaries with the
+        content of the content-docs.
+
+        is_copy, if set to True, will only attempt to create mdoc and fdoc
+        (because hdoc and cdocs are supposed to exist already)
+        """
+        self._is_copy = is_copy
+
+        def get_doc_wrapper(doc, cls):
+            if isinstance(doc, SoledadDocument):
+                doc_id = doc.doc_id
+                doc = doc.content
+            else:
+                doc_id = None
+            if not doc:
+                doc = {}
+            return cls(doc_id=doc_id, **doc)
+
+        self.mdoc = get_doc_wrapper(mdoc, MetaMsgDocWrapper)
+
+        self.fdoc = get_doc_wrapper(fdoc, FlagsDocWrapper)
+        self.fdoc.set_future_doc_id(self.mdoc.fdoc)
+
+        self.hdoc = get_doc_wrapper(hdoc, HeaderDocWrapper)
+        self.hdoc.set_future_doc_id(self.mdoc.hdoc)
+
+        if cdocs is None:
+            cdocs = {}
+        cdocs_keys = cdocs.keys()
+        assert sorted(cdocs_keys) == range(1, len(cdocs_keys) + 1)
+        self.cdocs = dict([
+            (key, get_doc_wrapper(doc, ContentDocWrapper))
+            for (key, doc) in cdocs.items()])
+        for doc_id, cdoc in zip(self.mdoc.cdocs, self.cdocs.values()):
+            if cdoc.raw == "":
+                log.msg("Empty raw field in cdoc %s" % doc_id)
+            cdoc.set_future_doc_id(doc_id)
+
+    def create(self, store, notify_just_mdoc=False, pending_inserts_dict=None):
+        """
+        Create all the parts for this message in the store.
+
+        :param store: an instance of Soledad
+
+        :param notify_just_mdoc:
+            if set to True, this method will return *only* the deferred
+            corresponding to the creation of the meta-message document.
+            Be warned that in that case there will be no record of failures
+            when creating the other part-documents.
+
+            Otherwise, this method will return a deferred that will wait for
+            the creation of all the part documents.
+
+            Setting this flag to True is mostly a convenient workaround for the
+            fact that massive serial appends will take too much time, and in
+            most of the cases the MUA will only switch to the mailbox where the
+            appends have happened after a certain time, which in most of the
+            times will be enough to have all the queued insert operations
+            finished.
+        :type notify_just_mdoc: bool
+        :param pending_inserts_dict:
+            a dictionary with the pending inserts ids.
+        :type pending_inserts_dict: dict
+
+        :return: a deferred whose callback will be called when either all the
+                 part documents have been written, or just the metamsg-doc,
+                 depending on the value of the notify_just_mdoc flag
+        :rtype: defer.Deferred
+        """
+        if pending_inserts_dict is None:
+            pending_inserts_dict = {}
+
+        leap_assert(self.cdocs,
+                    "Need non empty cdocs to create the "
+                    "MessageWrapper documents")
+        leap_assert(self.mdoc.doc_id is None,
+                    "Cannot create: mdoc has a doc_id")
+        leap_assert(self.fdoc.doc_id is None,
+                    "Cannot create: fdoc has a doc_id")
+
+        def unblock_pending_insert(result):
+            if pending_inserts_dict:
+                ci_headers = lowerdict(self.hdoc.headers)
+                msgid = ci_headers.get('message-id', None)
+                try:
+                    d = pending_inserts_dict[msgid]
+                    d.callback(msgid)
+                except KeyError:
+                    pass
+            return result
+
+        # TODO check that the doc_ids in the mdoc are coherent
+        self.d = []
+
+        mdoc_created = self.mdoc.create(store, is_copy=self._is_copy)
+        fdoc_created = self.fdoc.create(store, is_copy=self._is_copy)
+
+        mdoc_created.addErrback(lambda f: log.err(f))
+        fdoc_created.addErrback(lambda f: log.err(f))
+
+        self.d.append(mdoc_created)
+        self.d.append(fdoc_created)
+
+        if not self._is_copy:
+            if self.hdoc.doc_id is None:
+                self.d.append(self.hdoc.create(store))
+            for cdoc in self.cdocs.values():
+                if cdoc.doc_id is not None:
+                    # we could be just linking to an existing
+                    # content-doc.
+                    continue
+                self.d.append(cdoc.create(store))
+
+        def log_all_inserted(result):
+            log.msg("All parts inserted for msg!")
+            return result
+
+        self.all_inserted_d = defer.gatherResults(self.d, consumeErrors=True)
+        self.all_inserted_d.addCallback(log_all_inserted)
+        self.all_inserted_d.addCallback(unblock_pending_insert)
+        self.all_inserted_d.addErrback(lambda failure: log.err(failure))
+
+        if notify_just_mdoc:
+            return mdoc_created
+        else:
+            return self.all_inserted_d
+
+    def update(self, store):
+        """
+        Update the only mutable parts, which are within the flags document.
+        """
+        return self.fdoc.update(store)
+
+    def delete(self, store):
+        # TODO
+        # Eventually this would have to do the duplicate search or send for the
+        # garbage collector. At least mdoc and t the mdoc and fdoc can be
+        # unlinked.
+        d = []
+        if self.mdoc.doc_id:
+            d.append(self.mdoc.delete(store))
+        d.append(self.fdoc.delete(store))
+        return defer.gatherResults(d)
+
+    def copy(self, store, new_mbox_uuid):
+        """
+        Return a copy of this MessageWrapper in a new mailbox.
+
+        :param store: an instance of Soledad, or anything that behaves alike.
+        :param new_mbox_uuid: the uuid of the mailbox where we are copying this
+               message to.
+        :type new_mbox_uuid: str
+        :rtype: MessageWrapper
+        """
+        new_mdoc = self.mdoc.serialize()
+        new_fdoc = self.fdoc.serialize()
+
+        # the future doc_ids is properly set because we modified
+        # the pointers in mdoc, which has precedence.
+        new_wrapper = MessageWrapper(new_mdoc, new_fdoc, None, None,
+                                     is_copy=True)
+        new_wrapper.hdoc = self.hdoc
+        new_wrapper.cdocs = self.cdocs
+        new_wrapper.set_mbox_uuid(new_mbox_uuid)
+
+        # XXX could flag so that it only creates mdoc/fdoc...
+
+        d = new_wrapper.create(store)
+        d.addCallback(lambda result: new_wrapper)
+        d.addErrback(lambda failure: log.err(failure))
+        return d
+
+    def set_mbox_uuid(self, mbox_uuid):
+        """
+        Set the mailbox for this wrapper.
+        This method should only be used before the Documents for the
+        MessageWrapper have been created, will raise otherwise.
+        """
+        mbox_uuid = mbox_uuid.replace('-', '_')
+        self.mdoc.set_mbox_uuid(mbox_uuid)
+        self.fdoc.set_mbox_uuid(mbox_uuid)
+
+    def set_flags(self, flags):
+        # TODO serialize the get + update
+        if flags is None:
+            flags = tuple()
+        leap_assert_type(flags, tuple)
+        self.fdoc.flags = list(flags)
+        self.fdoc.deleted = "\\Deleted" in flags
+        self.fdoc.seen = "\\Seen" in flags
+        self.fdoc.recent = "\\Recent" in flags
+
+    def set_tags(self, tags):
+        # TODO serialize the get + update
+        if tags is None:
+            tags = tuple()
+        leap_assert_type(tags, tuple)
+        self.fdoc.tags = list(tags)
+
+    def set_date(self, date):
+        # XXX assert valid date format
+        self.hdoc.date = date
+
+    def get_subpart_dict(self, index):
+        """
+        :param index: the part to lookup, 1-indexed
+        :type index: int
+        :rtype: dict
+        """
+        return self.hdoc.part_map[str(index)]
+
+    def get_subpart_indexes(self):
+        return self.hdoc.part_map.keys()
+
+    def get_body(self, store):
+        """
+        :rtype: deferred
+        """
+        body_phash = self.hdoc.body
+        if body_phash:
+            d = store.get_doc('C-' + body_phash)
+            d.addCallback(lambda doc: ContentDocWrapper(**doc.content))
+            return d
+        elif self.cdocs:
+            return self.cdocs[1]
+        else:
+            return ''
+
+#
+# Mailboxes
+#
+
+
+class MailboxWrapper(SoledadDocumentWrapper):
+
+    class model(models.SerializableModel):
+        type_ = "mbox"
+        mbox = INBOX_NAME
+        uuid = None
+        flags = []
+        recent = []
+        created = 1
+        closed = False
+        subscribed = False
+
+        class __meta__(object):
+            index = "mbox"
+            list_index = (indexes.TYPE_IDX, 'type_')
+
+
+#
+# Soledad Adaptor
+#
+
+class SoledadIndexMixin(object):
+    """
+    This will need a class attribute `indexes`, that is a dictionary containing
+    the index definitions for the underlying l2db store underlying soledad.
+
+    It needs to be in the following format:
+    {'index-name': ['field1', 'field2']}
+
+    You can also add a class attribute `wait_for_indexes` to any class
+    inheriting from this Mixin, that should be a list of strings representing
+    the methods that need to wait until the indexes have been initialized
+    before being able to work properly.
+    """
+    # TODO move this mixin to soledad itself
+    # so that each application can pass a set of indexes for their data model.
+
+    # TODO could have a wrapper class for indexes, supporting introspection
+    # and __getattr__
+
+    # TODO make this an interface?
+
+    indexes = {}
+    wait_for_indexes = []
+    store_ready = False
+
+    def initialize_store(self, store):
+        """
+        Initialize the indexes in the database.
+
+        :param store: store
+        :returns: a Deferred that will fire when the store is correctly
+                  initialized.
+        :rtype: deferred
+        """
+        # TODO I think we *should* get another deferredLock in here, but
+        # global to the soledad namespace, to protect from several points
+        # initializing soledad indexes at the same time.
+        self._wait_for_indexes()
+
+        d = self._init_indexes(store)
+        d.addCallback(self._restore_waiting_methods)
+        return d
+
+    def _init_indexes(self, store):
+        """
+        Initialize the database indexes.
+        """
+        leap_assert(store, "Cannot init indexes with null soledad")
+        leap_assert_type(self.indexes, dict)
+
+        def _create_index(name, expression):
+            return store.create_index(name, *expression)
+
+        def init_idexes(indexes):
+            deferreds = []
+            db_indexes = dict(indexes)
+            # Loop through the indexes we expect to find.
+            for name, expression in self.indexes.items():
+                if name not in db_indexes:
+                    # The index does not yet exist.
+                    d = _create_index(name, expression)
+                    deferreds.append(d)
+                elif expression != db_indexes[name]:
+                    # The index exists but the definition is not what expected,
+                    # so we delete it and add the proper index expression.
+                    d = store.delete_index(name)
+                    d.addCallback(
+                        lambda _: _create_index(name, *expression))
+                    deferreds.append(d)
+            return defer.gatherResults(deferreds, consumeErrors=True)
+
+        def store_ready(whatever):
+            self.store_ready = True
+            return whatever
+
+        self.deferred_indexes = store.list_indexes()
+        self.deferred_indexes.addCallback(init_idexes)
+        self.deferred_indexes.addCallback(store_ready)
+        return self.deferred_indexes
+
+    def _wait_for_indexes(self):
+        """
+        Make the marked methods to wait for the indexes to be ready.
+        Heavily based on
+        http://blogs.fluidinfo.com/terry/2009/05/11/a-mixin-class-allowing-python-__init__-methods-to-work-with-twisted-deferreds/
+
+        :param methods: methods that need to wait for the indexes to be ready
+        :type methods: tuple(str)
+        """
+        leap_assert_type(self.wait_for_indexes, list)
+        methods = self.wait_for_indexes
+
+        self.waiting = []
+        self.stored = {}
+
+        def makeWrapper(method):
+            def wrapper(*args, **kw):
+                d = defer.Deferred()
+                d.addCallback(lambda _: self.stored[method](*args, **kw))
+                self.waiting.append(d)
+                return d
+            return wrapper
+
+        for method in methods:
+            self.stored[method] = getattr(self, method)
+            setattr(self, method, makeWrapper(method))
+
+    def _restore_waiting_methods(self, _):
+        for method in self.stored:
+            setattr(self, method, self.stored[method])
+        for d in self.waiting:
+            d.callback(None)
+
+
+class SoledadMailAdaptor(SoledadIndexMixin):
+
+    implements(IMailAdaptor)
+    store = None
+
+    indexes = indexes.MAIL_INDEXES
+    wait_for_indexes = ['get_or_create_mbox', 'update_mbox', 'get_all_mboxes']
+
+    mboxwrapper_klass = MailboxWrapper
+
+    def __init__(self):
+        SoledadIndexMixin.__init__(self)
+
+    # Message handling
+
+    def get_msg_from_string(self, MessageClass, raw_msg):
+        """
+        Get an instance of a MessageClass initialized with a MessageWrapper
+        that contains all the parts obtained from parsing the raw string for
+        the message.
+
+        :param MessageClass: any Message class that can be initialized passing
+                             an instance of an IMessageWrapper implementor.
+        :type MessageClass: type
+        :param raw_msg: a string containing the raw email message.
+        :type raw_msg: str
+        :rtype: MessageClass instance.
+        """
+        assert(MessageClass is not None)
+        mdoc, fdoc, hdoc, cdocs = _split_into_parts(raw_msg)
+        return self.get_msg_from_docs(
+            MessageClass, mdoc, fdoc, hdoc, cdocs)
+
+    def get_msg_from_docs(self, MessageClass, mdoc, fdoc, hdoc, cdocs=None,
+                          uid=None):
+        """
+        Get an instance of a MessageClass initialized with a MessageWrapper
+        that contains the passed part documents.
+
+        This is not the recommended way of obtaining a message, unless you know
+        how to take care of ensuring the internal consistency between the part
+        documents, or unless you are glueing together the part documents that
+        have been previously generated by `get_msg_from_string`.
+
+        :param MessageClass: any Message class that can be initialized passing
+                             an instance of an IMessageWrapper implementor.
+        :type MessageClass: type
+        :param fdoc: a dictionary containing values from which a
+                     FlagsDocWrapper can be initialized
+        :type fdoc: dict
+        :param hdoc: a dictionary containing values from which a
+                     HeaderDocWrapper can be initialized
+        :type hdoc: dict
+        :param cdocs: None, or a dictionary mapping integers (1-indexed) to
+                      dicts from where a ContentDocWrapper can be initialized.
+        :type cdocs: dict, or None
+
+        :rtype: MessageClass instance.
+        """
+        assert(MessageClass is not None)
+        return MessageClass(MessageWrapper(mdoc, fdoc, hdoc, cdocs), uid=uid)
+
+    def get_msg_from_mdoc_id(self, MessageClass, store, mdoc_id,
+                             uid=None, get_cdocs=False):
+
+        def wrap_meta_doc(doc):
+            cls = MetaMsgDocWrapper
+            return cls(doc_id=doc.doc_id, **doc.content)
+
+        def get_part_docs_from_mdoc_wrapper(wrapper):
+            d_docs = []
+            d_docs.append(store.get_doc(wrapper.fdoc))
+            d_docs.append(store.get_doc(wrapper.hdoc))
+            for cdoc in wrapper.cdocs:
+                d_docs.append(store.get_doc(cdoc))
+
+            def add_mdoc(doc_list):
+                return [wrapper.serialize()] + doc_list
+
+            d = defer.gatherResults(d_docs)
+            d.addCallback(add_mdoc)
+            return d
+
+        def get_parts_doc_from_mdoc_id():
+            mbox = re.findall(constants.METAMSGID_MBOX_RE, mdoc_id)[0]
+            chash = re.findall(constants.METAMSGID_CHASH_RE, mdoc_id)[0]
+
+            def _get_fdoc_id_from_mdoc_id():
+                return constants.FDOCID.format(mbox_uuid=mbox, chash=chash)
+
+            def _get_hdoc_id_from_mdoc_id():
+                return constants.HDOCID.format(mbox_uuid=mbox, chash=chash)
+
+            d_docs = []
+            fdoc_id = _get_fdoc_id_from_mdoc_id()
+            hdoc_id = _get_hdoc_id_from_mdoc_id()
+
+            d_docs.append(store.get_doc(mdoc_id))
+            d_docs.append(store.get_doc(fdoc_id))
+            d_docs.append(store.get_doc(hdoc_id))
+
+            d = defer.gatherResults(d_docs)
+            return d
+
+        def _err_log_failure_part_docs(failure):
+            # See https://leap.se/code/issues/7495.
+            # This avoids blocks, but the real cause still needs to be
+            # isolated (0.9.0rc3) -- kali
+            log.msg("BUG ---------------------------------------------------")
+            log.msg("BUG: Error while retrieving part docs for mdoc id %s" %
+                    mdoc_id)
+            log.err(failure)
+            log.msg("BUG (please report above info) ------------------------")
+            return []
+
+        def _err_log_cannot_find_msg(failure):
+            log.msg("BUG: Error while getting msg (uid=%s)" % uid)
+            return None
+
+        if get_cdocs:
+            d = store.get_doc(mdoc_id)
+            d.addCallback(wrap_meta_doc)
+            d.addCallback(get_part_docs_from_mdoc_wrapper)
+            d.addErrback(_err_log_failure_part_docs)
+
+        else:
+            d = get_parts_doc_from_mdoc_id()
+
+        d.addCallback(self._get_msg_from_variable_doc_list,
+                      msg_class=MessageClass, uid=uid)
+        d.addErrback(_err_log_cannot_find_msg)
+        return d
+
+    def _get_msg_from_variable_doc_list(self, doc_list, msg_class, uid=None):
+        if len(doc_list) == 3:
+            mdoc, fdoc, hdoc = doc_list
+            cdocs = None
+        elif len(doc_list) > 3:
+            # XXX is this case used?
+            mdoc, fdoc, hdoc = doc_list[:3]
+            cdocs = dict(enumerate(doc_list[3:], 1))
+        return self.get_msg_from_docs(
+            msg_class, mdoc, fdoc, hdoc, cdocs, uid=uid)
+
+    def get_flags_from_mdoc_id(self, store, mdoc_id):
+        """
+        # XXX stuff here...
+        """
+        mbox = re.findall(constants.METAMSGID_MBOX_RE, mdoc_id)[0]
+        chash = re.findall(constants.METAMSGID_CHASH_RE, mdoc_id)[0]
+
+        def _get_fdoc_id_from_mdoc_id():
+            return constants.FDOCID.format(mbox_uuid=mbox, chash=chash)
+
+        fdoc_id = _get_fdoc_id_from_mdoc_id()
+
+        def wrap_fdoc(doc):
+            if not doc:
+                return
+            cls = FlagsDocWrapper
+            return cls(doc_id=doc.doc_id, **doc.content)
+
+        def get_flags(fdoc_wrapper):
+            if not fdoc_wrapper:
+                return []
+            return fdoc_wrapper.get_flags()
+
+        d = store.get_doc(fdoc_id)
+        d.addCallback(wrap_fdoc)
+        d.addCallback(get_flags)
+        return d
+
+    def create_msg(self, store, msg):
+        """
+        :param store: an instance of soledad, or anything that behaves alike
+        :param msg: a Message object.
+
+        :return: a Deferred that is fired when all the underlying documents
+                 have been created.
+        :rtype: defer.Deferred
+        """
+        wrapper = msg.get_wrapper()
+        return wrapper.create(store)
+
+    def update_msg(self, store, msg):
+        """
+        :param msg: a Message object.
+        :param store: an instance of soledad, or anything that behaves alike
+        :return: a Deferred that is fired when all the underlying documents
+                 have been updated (actually, it's only the fdoc that's allowed
+                 to update).
+        :rtype: defer.Deferred
+        """
+        wrapper = msg.get_wrapper()
+        return wrapper.update(store)
+
+    # batch deletion
+
+    def del_all_flagged_messages(self, store, mbox_uuid):
+        """
+        Delete all messages flagged as deleted.
+        """
+        def err(failure):
+            log.err(failure)
+
+        def delete_fdoc_and_mdoc_flagged(fdocs):
+            # low level here, not using the wrappers...
+            # get meta doc ids from the flag doc ids
+            fdoc_ids = [doc.doc_id for doc in fdocs]
+            mdoc_ids = map(lambda s: "M" + s[1:], fdoc_ids)
+
+            def delete_all_docs(mdocs, fdocs):
+                mdocs = list(mdocs)
+                doc_ids = [m.doc_id for m in mdocs]
+                _d = []
+                docs = mdocs + fdocs
+                for doc in docs:
+                    _d.append(store.delete_doc(doc))
+                d = defer.gatherResults(_d)
+                # return the mdocs ids only
+                d.addCallback(lambda _: doc_ids)
+                return d
+
+            d = store.get_docs(mdoc_ids)
+            d.addCallback(delete_all_docs, fdocs)
+            d.addErrback(err)
+            return d
+
+        type_ = FlagsDocWrapper.model.type_
+        uuid = mbox_uuid.replace('-', '_')
+        deleted_index = indexes.TYPE_MBOX_DEL_IDX
+
+        d = store.get_from_index(deleted_index, type_, uuid, "1")
+        d.addCallbacks(delete_fdoc_and_mdoc_flagged, err)
+        return d
+
+    # count messages
+
+    def get_count_unseen(self, store, mbox_uuid):
+        """
+        Get the number of unseen messages for a given mailbox.
+
+        :param store: instance of Soledad.
+        :param mbox_uuid: the uuid for this mailbox.
+        :rtype: int
+        """
+        type_ = FlagsDocWrapper.model.type_
+        uuid = mbox_uuid.replace('-', '_')
+
+        unseen_index = indexes.TYPE_MBOX_SEEN_IDX
+
+        d = store.get_count_from_index(unseen_index, type_, uuid, "0")
+        d.addErrback(self._errback)
+        return d
+
+    def get_count_recent(self, store, mbox_uuid):
+        """
+        Get the number of recent messages for a given mailbox.
+
+        :param store: instance of Soledad.
+        :param mbox_uuid: the uuid for this mailbox.
+        :rtype: int
+        """
+        type_ = FlagsDocWrapper.model.type_
+        uuid = mbox_uuid.replace('-', '_')
+
+        recent_index = indexes.TYPE_MBOX_RECENT_IDX
+
+        d = store.get_count_from_index(recent_index, type_, uuid, "1")
+        d.addErrback(self._errback)
+        return d
+
+    # search api
+
+    def get_mdoc_id_from_msgid(self, store, mbox_uuid, msgid):
+        """
+        Get the UID for a message with the passed msgid (the one in the headers
+        msg-id).
+        This is used by the MUA to retrieve the recently saved draft.
+        """
+        type_ = HeaderDocWrapper.model.type_
+        uuid = mbox_uuid.replace('-', '_')
+
+        msgid_index = indexes.TYPE_MSGID_IDX
+
+        def get_mdoc_id(hdoc):
+            if not hdoc:
+                log.msg("Could not find a HDOC with MSGID %s" % msgid)
+                return None
+            hdoc = hdoc[0]
+            mdoc_id = hdoc.doc_id.replace("H-", "M-%s-" % uuid)
+            return mdoc_id
+
+        d = store.get_from_index(msgid_index, type_, msgid)
+        d.addCallback(get_mdoc_id)
+        return d
+
+    # Mailbox handling
+
+    def get_or_create_mbox(self, store, name):
+        """
+        Get the mailbox with the given name, or create one if it does not
+        exist.
+
+        :param store: instance of Soledad
+        :param name: the name of the mailbox
+        :type name: str
+        """
+        index = indexes.TYPE_MBOX_IDX
+        mbox = normalize_mailbox(name)
+        return MailboxWrapper.get_or_create(store, index, mbox)
+
+    def update_mbox(self, store, mbox_wrapper):
+        """
+        Update the documents for a given mailbox.
+        :param mbox_wrapper: MailboxWrapper instance
+        :type mbox_wrapper: MailboxWrapper
+        :return: a Deferred that will be fired when the mailbox documents
+                 have been updated.
+        :rtype: defer.Deferred
+        """
+        leap_assert_type(mbox_wrapper, SoledadDocumentWrapper)
+        return mbox_wrapper.update(store)
+
+    def delete_mbox(self, store, mbox_wrapper):
+        leap_assert_type(mbox_wrapper, SoledadDocumentWrapper)
+        return mbox_wrapper.delete(store)
+
+    def get_all_mboxes(self, store):
+        """
+        Retrieve a list with wrappers for all the mailboxes.
+
+        :return: a deferred that will be fired with a list of all the
+                 MailboxWrappers found.
+        :rtype: defer.Deferred
+        """
+        return MailboxWrapper.get_all(store)
+
+    def _errback(self, failure):
+        log.err(failure)
+
+
+def _split_into_parts(raw):
+    # TODO signal that we can delete the original message!-----
+    # when all the processing is done.
+    # TODO add the linked-from info !
+    # TODO add reference to the original message?
+    # TODO populate Default FLAGS/TAGS (unseen?)
+    # TODO seed propely the content_docs with defaults??
+
+    msg, chash, multi = _parse_msg(raw)
+    size = len(msg.as_string())
+
+    parts_map = walk.get_tree(msg)
+    cdocs_list = list(walk.get_raw_docs(msg))
+    cdocs_phashes = [c['phash'] for c in cdocs_list]
+    body_phash = walk.get_body_phash(msg)
+
+    mdoc = _build_meta_doc(chash, cdocs_phashes)
+    fdoc = _build_flags_doc(chash, size, multi)
+    hdoc = _build_headers_doc(msg, chash, body_phash, parts_map)
+
+    # The MessageWrapper expects a dict, one-indexed
+    cdocs = dict(enumerate(cdocs_list, 1))
+
+    return mdoc, fdoc, hdoc, cdocs
+
+
+def _parse_msg(raw):
+    msg = message_from_string(raw)
+    chash = walk.get_hash(raw)
+    multi = msg.is_multipart()
+    return msg, chash, multi
+
+
+def _build_meta_doc(chash, cdocs_phashes):
+    _mdoc = MetaMsgDocWrapper()
+    # FIXME passing the inbox name because we don't have the uuid at this
+    # point.
+
+    _mdoc.fdoc = constants.FDOCID.format(mbox_uuid=INBOX_NAME, chash=chash)
+    _mdoc.hdoc = constants.HDOCID.format(chash=chash)
+    _mdoc.cdocs = [constants.CDOCID.format(phash=p) for p in cdocs_phashes]
+
+    return _mdoc.serialize()
+
+
+def _build_flags_doc(chash, size, multi):
+    _fdoc = FlagsDocWrapper(chash=chash, size=size, multi=multi)
+    return _fdoc.serialize()
+
+
+def _build_headers_doc(msg, chash, body_phash, parts_map):
+    """
+    Assemble a headers document from the original parsed message, the
+    content-hash, and the parts map.
+
+    It takes into account possibly repeated headers.
+    """
+    headers = defaultdict(list)
+    for k, v in msg.items():
+        headers[k].append(v)
+    # "fix" for repeated headers (as in "Received:"
+    for k, v in headers.items():
+        newline = "\n%s: " % (k.lower(),)
+        headers[k] = newline.join(v)
+
+    lower_headers = lowerdict(dict(headers))
+    msgid = first(_MSGID_RE.findall(
+        lower_headers.get('message-id', '')))
+
+    _hdoc = HeaderDocWrapper(
+        chash=chash, headers=headers, body=body_phash,
+        msgid=msgid)
+
+    def copy_attr(headers, key, doc):
+        if key in headers:
+            setattr(doc, key, headers[key])
+
+    copy_attr(lower_headers, "subject", _hdoc)
+    copy_attr(lower_headers, "date", _hdoc)
+
+    hdoc = _hdoc.serialize()
+    # add some of the attr from the parts map to header doc
+    for key in parts_map:
+        if key in ('body', 'multi', 'part_map'):
+            hdoc[key] = parts_map[key]
+    return stringify_parts_map(hdoc)
diff --git a/src/leap/bitmask/mail/adaptors/soledad_indexes.py b/src/leap/bitmask/mail/adaptors/soledad_indexes.py
new file mode 100644
index 0000000..eec7d28
--- /dev/null
+++ b/src/leap/bitmask/mail/adaptors/soledad_indexes.py
@@ -0,0 +1,106 @@
+# -*- coding: utf-8 -*-
+# soledad_indexes.py
+# Copyright (C) 2013, 2014 LEAP
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+"""
+Soledad Indexes for Mail Documents.
+"""
+
+# TODO
+# [ ] hide most of the constants here
+
+# Document Type, for indexing
+
+TYPE = "type"
+MBOX = "mbox"
+MBOX_UUID = "mbox_uuid"
+FLAGS = "flags"
+HEADERS = "head"
+CONTENT = "cnt"
+RECENT = "rct"
+HDOCS_SET = "hdocset"
+
+INCOMING_KEY = "incoming"
+ERROR_DECRYPTING_KEY = "errdecr"
+
+# indexing keys
+CONTENT_HASH = "chash"
+PAYLOAD_HASH = "phash"
+MSGID = "msgid"
+UID = "uid"
+
+
+# Index  types
+# --------------
+
+TYPE_IDX = 'by-type'
+TYPE_MBOX_IDX = 'by-type-and-mbox'
+TYPE_MBOX_UUID_IDX = 'by-type-and-mbox-uuid'
+TYPE_SUBS_IDX = 'by-type-and-subscribed'
+TYPE_MSGID_IDX = 'by-type-and-message-id'
+TYPE_MBOX_SEEN_IDX = 'by-type-and-mbox-and-seen'
+TYPE_MBOX_RECENT_IDX = 'by-type-and-mbox-and-recent'
+TYPE_MBOX_DEL_IDX = 'by-type-and-mbox-and-deleted'
+TYPE_MBOX_C_HASH_IDX = 'by-type-and-mbox-and-contenthash'
+TYPE_C_HASH_IDX = 'by-type-and-contenthash'
+TYPE_C_HASH_PART_IDX = 'by-type-and-contenthash-and-partnumber'
+TYPE_P_HASH_IDX = 'by-type-and-payloadhash'
+
+# Soledad index for incoming mail, without decrypting errors.
+# and the backward-compatible index, will be deprecated at 0.7
+JUST_MAIL_IDX = "just-mail"
+JUST_MAIL_COMPAT_IDX = "just-mail-compat"
+
+
+# TODO
+# it would be nice to measure the cost of indexing
+# by many fields.
+
+# TODO
+# make the indexes dict more readable!
+
+MAIL_INDEXES = {
+    # generic
+    TYPE_IDX: [TYPE],
+    TYPE_MBOX_IDX: [TYPE, MBOX],
+    TYPE_MBOX_UUID_IDX: [TYPE, MBOX_UUID],
+
+    # XXX deprecate 0.4.0
+    # TYPE_MBOX_UID_IDX: [TYPE, MBOX, UID],
+
+    # mailboxes
+    TYPE_SUBS_IDX: [TYPE, 'bool(subscribed)'],
+
+    # fdocs uniqueness
+    TYPE_MBOX_C_HASH_IDX: [TYPE, MBOX, CONTENT_HASH],
+
+    # headers doc - search by msgid.
+    TYPE_MSGID_IDX: [TYPE, MSGID],
+
+    # content, headers doc
+    TYPE_C_HASH_IDX: [TYPE, CONTENT_HASH],
+
+    # attachment payload dedup
+    TYPE_P_HASH_IDX: [TYPE, PAYLOAD_HASH],
+
+    # messages
+    TYPE_MBOX_SEEN_IDX: [TYPE, MBOX_UUID, 'bool(seen)'],
+    TYPE_MBOX_RECENT_IDX: [TYPE, MBOX_UUID, 'bool(recent)'],
+    TYPE_MBOX_DEL_IDX: [TYPE, MBOX_UUID, 'bool(deleted)'],
+
+    # incoming queue
+    JUST_MAIL_IDX: ["bool(%s)" % (INCOMING_KEY,),
+                    "bool(%s)" % (ERROR_DECRYPTING_KEY,)],
+}
diff --git a/src/leap/bitmask/mail/adaptors/tests/rfc822.message b/src/leap/bitmask/mail/adaptors/tests/rfc822.message
new file mode 120000
index 0000000..b19cc28
--- /dev/null
+++ b/src/leap/bitmask/mail/adaptors/tests/rfc822.message
@@ -0,0 +1 @@
+../../tests/rfc822.message
\ No newline at end of file
diff --git a/src/leap/bitmask/mail/adaptors/tests/test_models.py b/src/leap/bitmask/mail/adaptors/tests/test_models.py
new file mode 100644
index 0000000..b82cfad
--- /dev/null
+++ b/src/leap/bitmask/mail/adaptors/tests/test_models.py
@@ -0,0 +1,106 @@
+# -*- coding: utf-8 -*-
+# test_models.py
+# Copyright (C) 2014 LEAP
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+"""
+Tests for the leap.mail.adaptors.models module.
+"""
+from twisted.trial import unittest
+
+from leap.mail.adaptors import models
+
+
+class SerializableModelsTestCase(unittest.TestCase):
+
+    def test_good_serialized_model(self):
+
+        class M(models.SerializableModel):
+            foo = 42
+            bar = 33
+            baaz_ = None
+            _nope = 0
+            __nope = 0
+
+            def not_today(self):
+                pass
+
+            class IgnoreMe(object):
+                pass
+
+            def killmeplease(x):
+                return x
+
+        serialized = M.serialize()
+        expected = {'foo': 42, 'bar': 33, 'baaz': None}
+        self.assertEqual(serialized, expected)
+
+
+class DocumentWrapperTestCase(unittest.TestCase):
+
+    def test_wrapper_defaults(self):
+
+        class Wrapper(models.DocumentWrapper):
+            class model(models.SerializableModel):
+                foo = 42
+                bar = 11
+
+        wrapper = Wrapper()
+        wrapper._ignored = True
+        serialized = wrapper.serialize()
+        expected = {'foo': 42, 'bar': 11}
+        self.assertEqual(serialized, expected)
+
+    def test_initialized_wrapper(self):
+
+        class Wrapper(models.DocumentWrapper):
+            class model(models.SerializableModel):
+                foo = 42
+                bar_ = 11
+
+        wrapper = Wrapper(foo=0, bar=-1)
+        serialized = wrapper.serialize()
+        expected = {'foo': 0, 'bar': -1}
+        self.assertEqual(serialized, expected)
+
+        wrapper.foo = 23
+        serialized = wrapper.serialize()
+        expected = {'foo': 23, 'bar': -1}
+        self.assertEqual(serialized, expected)
+
+        wrapper = Wrapper(foo=0)
+        serialized = wrapper.serialize()
+        expected = {'foo': 0, 'bar': 11}
+        self.assertEqual(serialized, expected)
+
+    def test_invalid_initialized_wrapper(self):
+
+        class Wrapper(models.DocumentWrapper):
+            class model(models.SerializableModel):
+                foo = 42
+
+        def getwrapper():
+            return Wrapper(bar=1)
+        self.assertRaises(RuntimeError, getwrapper)
+
+    def test_no_model_wrapper(self):
+
+        class Wrapper(models.DocumentWrapper):
+            pass
+
+        def getwrapper():
+            w = Wrapper()
+            w.foo = None
+
+        self.assertRaises(RuntimeError, getwrapper)
diff --git a/src/leap/bitmask/mail/adaptors/tests/test_soledad_adaptor.py b/src/leap/bitmask/mail/adaptors/tests/test_soledad_adaptor.py
new file mode 100644
index 0000000..73eaf16
--- /dev/null
+++ b/src/leap/bitmask/mail/adaptors/tests/test_soledad_adaptor.py
@@ -0,0 +1,529 @@
+# -*- coding: utf-8 -*-
+# test_soledad_adaptor.py
+# Copyright (C) 2014 LEAP
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+"""
+Tests for the Soledad Adaptor module - leap.mail.adaptors.soledad
+"""
+import os
+from functools import partial
+
+from twisted.internet import defer
+
+from leap.mail.adaptors import models
+from leap.mail.adaptors.soledad import SoledadDocumentWrapper
+from leap.mail.adaptors.soledad import SoledadIndexMixin
+from leap.mail.adaptors.soledad import SoledadMailAdaptor
+from leap.mail.testing.common import SoledadTestMixin
+
+from email.MIMEMultipart import MIMEMultipart
+from email.mime.text import MIMEText
+
+# DEBUG
+# import logging
+# logging.basicConfig(level=logging.DEBUG)
+
+
+class CounterWrapper(SoledadDocumentWrapper):
+    class model(models.SerializableModel):
+        counter = 0
+        flag = None
+
+
+class CharacterWrapper(SoledadDocumentWrapper):
+    class model(models.SerializableModel):
+        name = ""
+        age = 20
+
+
+class ActorWrapper(SoledadDocumentWrapper):
+    class model(models.SerializableModel):
+        type_ = "actor"
+        name = None
+
+        class __meta__(object):
+            index = "name"
+            list_index = ("by-type", "type_")
+
+
+class TestAdaptor(SoledadIndexMixin):
+    indexes = {'by-name': ['name'],
+               'by-type-and-name': ['type', 'name'],
+               'by-type': ['type']}
+
+
+class SoledadDocWrapperTestCase(SoledadTestMixin):
+    """
+    Tests for the SoledadDocumentWrapper.
+    """
+    def assert_num_docs(self, num, docs):
+        self.assertEqual(len(docs[1]), num)
+
+    def test_create_single(self):
+
+        store = self._soledad
+        wrapper = CounterWrapper()
+
+        def assert_one_doc(docs):
+            self.assertEqual(docs[0], 1)
+
+        d = wrapper.create(store)
+        d.addCallback(lambda _: store.get_all_docs())
+        d.addCallback(assert_one_doc)
+        return d
+
+    def test_create_many(self):
+
+        store = self._soledad
+        w1 = CounterWrapper()
+        w2 = CounterWrapper(counter=1)
+        w3 = CounterWrapper(counter=2)
+        w4 = CounterWrapper(counter=3)
+        w5 = CounterWrapper(counter=4)
+
+        d1 = [w1.create(store),
+              w2.create(store),
+              w3.create(store),
+              w4.create(store),
+              w5.create(store)]
+
+        d = defer.gatherResults(d1)
+        d.addCallback(lambda _: store.get_all_docs())
+        d.addCallback(partial(self.assert_num_docs, 5))
+        return d
+
+    def test_multiple_updates(self):
+
+        store = self._soledad
+        wrapper = CounterWrapper(counter=1)
+        MAX = 100
+
+        def assert_doc_id(doc):
+            self.assertTrue(wrapper._doc_id is not None)
+            return doc
+
+        def assert_counter_initial_ok(doc):
+            self.assertEqual(wrapper.counter, 1)
+
+        def increment_counter(ignored):
+            d1 = []
+
+            def record_revision(revision):
+                rev = int(revision.split(':')[1])
+                self.results.append(rev)
+
+            for i in list(range(MAX)):
+                wrapper.counter += 1
+                wrapper.flag = i % 2 == 0
+                d = wrapper.update(store)
+                d.addCallback(record_revision)
+                d1.append(d)
+
+            return defer.gatherResults(d1)
+
+        def assert_counter_final_ok(doc):
+            self.assertEqual(doc.content['counter'], MAX + 1)
+            self.assertEqual(doc.content['flag'], False)
+
+        def assert_results_ordered_list(ignored):
+            self.assertEqual(self.results, sorted(range(2, MAX + 2)))
+
+        d = wrapper.create(store)
+        d.addCallback(assert_doc_id)
+        d.addCallback(assert_counter_initial_ok)
+        d.addCallback(increment_counter)
+        d.addCallback(lambda _: store.get_doc(wrapper._doc_id))
+        d.addCallback(assert_counter_final_ok)
+        d.addCallback(assert_results_ordered_list)
+        return d
+
+    def test_delete(self):
+        adaptor = TestAdaptor()
+        store = self._soledad
+
+        wrapper_list = []
+
+        def get_or_create_bob(ignored):
+            def add_to_list(wrapper):
+                wrapper_list.append(wrapper)
+                return wrapper
+            wrapper = CharacterWrapper.get_or_create(
+                store, 'by-name', 'bob')
+            wrapper.addCallback(add_to_list)
+            return wrapper
+
+        def delete_bob(ignored):
+            wrapper = wrapper_list[0]
+            return wrapper.delete(store)
+
+        d = adaptor.initialize_store(store)
+        d.addCallback(lambda _: store.get_all_docs())
+        d.addCallback(partial(self.assert_num_docs, 0))
+
+        # this should create bob document
+        d.addCallback(get_or_create_bob)
+        d.addCallback(lambda _: store.get_all_docs())
+        d.addCallback(partial(self.assert_num_docs, 1))
+
+        d.addCallback(delete_bob)
+        d.addCallback(lambda _: store.get_all_docs())
+        d.addCallback(partial(self.assert_num_docs, 0))
+        return d
+
+    def test_get_or_create(self):
+        adaptor = TestAdaptor()
+        store = self._soledad
+
+        def get_or_create_bob(ignored):
+            wrapper = CharacterWrapper.get_or_create(
+                store, 'by-name', 'bob')
+            return wrapper
+
+        d = adaptor.initialize_store(store)
+        d.addCallback(lambda _: store.get_all_docs())
+        d.addCallback(partial(self.assert_num_docs, 0))
+
+        # this should create bob document
+        d.addCallback(get_or_create_bob)
+        d.addCallback(lambda _: store.get_all_docs())
+        d.addCallback(partial(self.assert_num_docs, 1))
+
+        # this should get us bob document
+        d.addCallback(get_or_create_bob)
+        d.addCallback(lambda _: store.get_all_docs())
+        d.addCallback(partial(self.assert_num_docs, 1))
+        return d
+
+    def test_get_or_create_multi_index(self):
+        adaptor = TestAdaptor()
+        store = self._soledad
+
+        def get_or_create_actor_harry(ignored):
+            wrapper = ActorWrapper.get_or_create(
+                store, 'by-type-and-name', 'harrison')
+            return wrapper
+
+        def create_director_harry(ignored):
+            wrapper = ActorWrapper(name="harrison", type="director")
+            return wrapper.create(store)
+
+        d = adaptor.initialize_store(store)
+        d.addCallback(lambda _: store.get_all_docs())
+        d.addCallback(partial(self.assert_num_docs, 0))
+
+        # this should create harrison document
+        d.addCallback(get_or_create_actor_harry)
+        d.addCallback(lambda _: store.get_all_docs())
+        d.addCallback(partial(self.assert_num_docs, 1))
+
+        # this should get us harrison document
+        d.addCallback(get_or_create_actor_harry)
+        d.addCallback(lambda _: store.get_all_docs())
+        d.addCallback(partial(self.assert_num_docs, 1))
+
+        # create director harry, should create new doc
+        d.addCallback(create_director_harry)
+        d.addCallback(lambda _: store.get_all_docs())
+        d.addCallback(partial(self.assert_num_docs, 2))
+
+        # this should get us harrison document, still 2 docs
+        d.addCallback(get_or_create_actor_harry)
+        d.addCallback(lambda _: store.get_all_docs())
+        d.addCallback(partial(self.assert_num_docs, 2))
+        return d
+
+    def test_get_all(self):
+        adaptor = TestAdaptor()
+        store = self._soledad
+        actor_names = ["harry", "carrie", "mark", "david"]
+
+        def create_some_actors(ignored):
+            deferreds = []
+            for name in actor_names:
+                dw = ActorWrapper.get_or_create(
+                    store, 'by-type-and-name', name)
+                deferreds.append(dw)
+            return defer.gatherResults(deferreds)
+
+        d = adaptor.initialize_store(store)
+        d.addCallback(lambda _: store.get_all_docs())
+        d.addCallback(partial(self.assert_num_docs, 0))
+
+        d.addCallback(create_some_actors)
+
+        d.addCallback(lambda _: store.get_all_docs())
+        d.addCallback(partial(self.assert_num_docs, 4))
+
+        def assert_actor_list_is_expected(res):
+            got = set([actor.name for actor in res])
+            expected = set(actor_names)
+            self.assertEqual(got, expected)
+
+        d.addCallback(lambda _: ActorWrapper.get_all(store))
+        d.addCallback(assert_actor_list_is_expected)
+        return d
+
+HERE = os.path.split(os.path.abspath(__file__))[0]
+
+
+class MessageClass(object):
+    def __init__(self, wrapper, uid):
+        self.wrapper = wrapper
+        self.uid = uid
+
+    def get_wrapper(self):
+        return self.wrapper
+
+
+class SoledadMailAdaptorTestCase(SoledadTestMixin):
+    """
+    Tests for the SoledadMailAdaptor.
+    """
+
+    def get_adaptor(self):
+        adaptor = SoledadMailAdaptor()
+        adaptor.store = self._soledad
+        return adaptor
+
+    def assert_num_docs(self, num, docs):
+        self.assertEqual(len(docs[1]), num)
+
+    def test_mail_adaptor_init(self):
+        adaptor = self.get_adaptor()
+        self.assertTrue(isinstance(adaptor.indexes, dict))
+        self.assertTrue(len(adaptor.indexes) != 0)
+
+    # Messages
+
+    def test_get_msg_from_string(self):
+        adaptor = self.get_adaptor()
+
+        with open(os.path.join(HERE, "rfc822.message")) as f:
+            raw = f.read()
+
+        msg = adaptor.get_msg_from_string(MessageClass, raw)
+
+        chash = ("D27B2771C0DCCDCB468EE65A4540438"
+                 "09DBD11588E87E951545BE0CBC321C308")
+        phash = ("64934534C1C80E0D4FA04BE1CCBA104"
+                 "F07BCA5F469C86E2C0ABE1D41310B7299")
+        subject = ("[Twisted-commits] rebuild now works on "
+                   "python versions from 2.2.0 and up.")
+        self.assertTrue(msg.wrapper.fdoc is not None)
+        self.assertTrue(msg.wrapper.hdoc is not None)
+        self.assertTrue(msg.wrapper.cdocs is not None)
+        self.assertEquals(len(msg.wrapper.cdocs), 1)
+        self.assertEquals(msg.wrapper.fdoc.chash, chash)
+        self.assertEquals(msg.wrapper.fdoc.size, 3837)
+        self.assertEquals(msg.wrapper.hdoc.chash, chash)
+        self.assertEqual(dict(msg.wrapper.hdoc.headers)['Subject'],
+                         subject)
+        self.assertEqual(msg.wrapper.hdoc.subject, subject)
+        self.assertEqual(msg.wrapper.cdocs[1].phash, phash)
+
+    def test_get_msg_from_string_multipart(self):
+        msg = MIMEMultipart()
+        msg['Subject'] = 'Test multipart mail'
+        msg.attach(MIMEText(u'a utf8 message', _charset='utf-8'))
+        adaptor = self.get_adaptor()
+
+        msg = adaptor.get_msg_from_string(MessageClass, msg.as_string())
+
+        self.assertEqual(
+            'base64', msg.wrapper.cdocs[1].content_transfer_encoding)
+        self.assertEqual(
+            'text/plain', msg.wrapper.cdocs[1].content_type)
+        self.assertEqual(
+            'YSB1dGY4IG1lc3NhZ2U=\n', msg.wrapper.cdocs[1].raw)
+
+    def test_get_msg_from_docs(self):
+        adaptor = self.get_adaptor()
+        mdoc = dict(
+            fdoc="F-Foobox-deadbeef",
+            hdoc="H-deadbeef",
+            cdocs=["C-deadabad"])
+        fdoc = dict(
+            mbox_uuid="Foobox",
+            flags=('\Seen', '\Nice'),
+            tags=('Personal', 'TODO'),
+            seen=False, deleted=False,
+            recent=False, multi=False)
+        hdoc = dict(
+            chash="deadbeef",
+            subject="Test Msg")
+        cdocs = {
+            1: dict(
+                raw='This is a test message')}
+
+        msg = adaptor.get_msg_from_docs(
+            MessageClass, mdoc, fdoc, hdoc, cdocs=cdocs)
+        self.assertEqual(msg.wrapper.fdoc.flags,
+                         ('\Seen', '\Nice'))
+        self.assertEqual(msg.wrapper.fdoc.tags,
+                         ('Personal', 'TODO'))
+        self.assertEqual(msg.wrapper.fdoc.mbox_uuid, "Foobox")
+        self.assertEqual(msg.wrapper.hdoc.multi, False)
+        self.assertEqual(msg.wrapper.hdoc.subject,
+                         "Test Msg")
+        self.assertEqual(msg.wrapper.cdocs[1].raw,
+                         "This is a test message")
+
+    def test_get_msg_from_metamsg_doc_id(self):
+        # TODO complete-me!
+        pass
+
+    test_get_msg_from_metamsg_doc_id.skip = "Not yet implemented"
+
+    def test_create_msg(self):
+        adaptor = self.get_adaptor()
+
+        with open(os.path.join(HERE, "rfc822.message")) as f:
+            raw = f.read()
+        msg = adaptor.get_msg_from_string(MessageClass, raw)
+
+        def check_create_result(created):
+            # that's one mdoc, one hdoc, one fdoc, one cdoc
+            self.assertEqual(len(created), 4)
+            for doc in created:
+                self.assertTrue(
+                    doc.__class__.__name__,
+                    "SoledadDocument")
+
+        d = adaptor.create_msg(adaptor.store, msg)
+        d.addCallback(check_create_result)
+        return d
+
+    def test_update_msg(self):
+        adaptor = self.get_adaptor()
+        with open(os.path.join(HERE, "rfc822.message")) as f:
+            raw = f.read()
+
+        def assert_msg_has_doc_id(ignored, msg):
+            wrapper = msg.get_wrapper()
+            self.assertTrue(wrapper.fdoc.doc_id is not None)
+
+        def assert_msg_has_no_flags(ignored, msg):
+            wrapper = msg.get_wrapper()
+            self.assertEqual(wrapper.fdoc.flags, [])
+
+        def update_msg_flags(ignored, msg):
+            wrapper = msg.get_wrapper()
+            wrapper.fdoc.flags = ["This", "That"]
+            return wrapper.update(adaptor.store)
+
+        def assert_msg_has_flags(ignored, msg):
+            wrapper = msg.get_wrapper()
+            self.assertEqual(wrapper.fdoc.flags, ["This", "That"])
+
+        def get_fdoc_and_check_flags(ignored):
+            def assert_doc_has_flags(doc):
+                self.assertEqual(doc.content['flags'],
+                                 ['This', 'That'])
+            wrapper = msg.get_wrapper()
+            d = adaptor.store.get_doc(wrapper.fdoc.doc_id)
+            d.addCallback(assert_doc_has_flags)
+            return d
+
+        msg = adaptor.get_msg_from_string(MessageClass, raw)
+        d = adaptor.create_msg(adaptor.store, msg)
+        d.addCallback(lambda _: adaptor.store.get_all_docs())
+        d.addCallback(partial(self.assert_num_docs, 4))
+        d.addCallback(assert_msg_has_doc_id, msg)
+        d.addCallback(assert_msg_has_no_flags, msg)
+
+        # update it!
+        d.addCallback(update_msg_flags, msg)
+        d.addCallback(assert_msg_has_flags, msg)
+        d.addCallback(get_fdoc_and_check_flags)
+        return d
+
+    # Mailboxes
+
+    def test_get_or_create_mbox(self):
+        adaptor = self.get_adaptor()
+
+        def get_or_create_mbox(ignored):
+            d = adaptor.get_or_create_mbox(adaptor.store, "Trash")
+            return d
+
+        def assert_good_doc(mbox_wrapper):
+            self.assertTrue(mbox_wrapper.doc_id is not None)
+            self.assertEqual(mbox_wrapper.mbox, "Trash")
+            self.assertEqual(mbox_wrapper.type, "mbox")
+            self.assertEqual(mbox_wrapper.closed, False)
+            self.assertEqual(mbox_wrapper.subscribed, False)
+
+        d = adaptor.initialize_store(adaptor.store)
+        d.addCallback(get_or_create_mbox)
+        d.addCallback(assert_good_doc)
+        d.addCallback(lambda _: adaptor.store.get_all_docs())
+        d.addCallback(partial(self.assert_num_docs, 1))
+        return d
+
+    def test_update_mbox(self):
+        adaptor = self.get_adaptor()
+
+        wrapper_ref = []
+
+        def get_or_create_mbox(ignored):
+            d = adaptor.get_or_create_mbox(adaptor.store, "Trash")
+            return d
+
+        def update_wrapper(wrapper, wrapper_ref):
+            wrapper_ref.append(wrapper)
+            wrapper.subscribed = True
+            wrapper.closed = True
+            d = adaptor.update_mbox(adaptor.store, wrapper)
+            return d
+
+        def get_mbox_doc_and_check_flags(res, wrapper_ref):
+            wrapper = wrapper_ref[0]
+
+            def assert_doc_has_flags(doc):
+                self.assertEqual(doc.content['subscribed'], True)
+                self.assertEqual(doc.content['closed'], True)
+            d = adaptor.store.get_doc(wrapper.doc_id)
+            d.addCallback(assert_doc_has_flags)
+            return d
+
+        d = adaptor.initialize_store(adaptor.store)
+        d.addCallback(get_or_create_mbox)
+        d.addCallback(update_wrapper, wrapper_ref)
+        d.addCallback(get_mbox_doc_and_check_flags, wrapper_ref)
+        return d
+
+    def test_get_all_mboxes(self):
+        adaptor = self.get_adaptor()
+        mboxes = ("Sent", "Trash", "Personal", "ListFoo")
+
+        def get_or_create_mboxes(ignored):
+            d = []
+            for mbox in mboxes:
+                d.append(adaptor.get_or_create_mbox(
+                    adaptor.store, mbox))
+            return defer.gatherResults(d)
+
+        def get_all_mboxes(ignored):
+            return adaptor.get_all_mboxes(adaptor.store)
+
+        def assert_mboxes_match_expected(wrappers):
+            names = [m.mbox for m in wrappers]
+            self.assertEqual(set(names), set(mboxes))
+
+        d = adaptor.initialize_store(adaptor.store)
+        d.addCallback(get_or_create_mboxes)
+        d.addCallback(get_all_mboxes)
+        d.addCallback(assert_mboxes_match_expected)
+        return d
diff --git a/src/leap/bitmask/mail/constants.py b/src/leap/bitmask/mail/constants.py
new file mode 100644
index 0000000..4ef42cb
--- /dev/null
+++ b/src/leap/bitmask/mail/constants.py
@@ -0,0 +1,52 @@
+# *- coding: utf-8 -*-
+# constants.py
+# Copyright (C) 2014 LEAP
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+"""
+Constants for leap.mail.
+"""
+
+INBOX_NAME = "INBOX"
+
+# Regular expressions for the identifiers to be used in the Message Data Layer.
+
+METAMSGID = "M-{mbox_uuid}-{chash}"
+METAMSGID_RE = "M\-{mbox_uuid}\-[0-9a-fA-F]+"
+METAMSGID_CHASH_RE = "M\-\w+\-([0-9a-fA-F]+)"
+METAMSGID_MBOX_RE = "M\-(\w+)\-[0-9a-fA-F]+"
+
+FDOCID = "F-{mbox_uuid}-{chash}"
+FDOCID_RE = "F\-{mbox_uuid}\-[0-9a-fA-F]+"
+FDOCID_CHASH_RE = "F\-\w+\-([0-9a-fA-F]+)"
+
+HDOCID = "H-{chash}"
+HDOCID_RE = "H\-[0-9a-fA-F]+"
+
+CDOCID = "C-{phash}"
+CDOCID_RE = "C\-[0-9a-fA-F]+"
+
+
+class MessageFlags(object):
+    """
+    Flags used in Message and Mailbox.
+    """
+    SEEN_FLAG = "\\Seen"
+    RECENT_FLAG = "\\Recent"
+    ANSWERED_FLAG = "\\Answered"
+    FLAGGED_FLAG = "\\Flagged"  # yo dawg
+    DELETED_FLAG = "\\Deleted"
+    DRAFT_FLAG = "\\Draft"
+    NOSELECT_FLAG = "\\Noselect"
+    LIST_FLAG = "List"  # is this OK? (no \. ie, no system flag)
diff --git a/src/leap/bitmask/mail/cred.py b/src/leap/bitmask/mail/cred.py
new file mode 100644
index 0000000..7eab1f0
--- /dev/null
+++ b/src/leap/bitmask/mail/cred.py
@@ -0,0 +1,80 @@
+# -*- coding: utf-8 -*-
+# cred.py
+# Copyright (C) 2015 LEAP
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+"""
+Credentials handling.
+"""
+
+from zope.interface import implementer
+from twisted.cred.checkers import ICredentialsChecker
+from twisted.cred.credentials import IUsernamePassword
+from twisted.cred.error import UnauthorizedLogin
+from twisted.internet import defer
+
+
+@implementer(ICredentialsChecker)
+class LocalSoledadTokenChecker(object):
+
+    """
+    A Credentials Checker for a LocalSoledad store.
+
+    It checks that:
+
+    1) The Local SoledadStorage has been correctly unlocked for the given
+       user. This currently means that the right passphrase has been passed
+       to the Local SoledadStorage.
+
+    2) The password passed in the credentials matches whatever token has
+       been stored in the local encrypted SoledadStorage, associated to the
+       Protocol that is requesting the authentication.
+    """
+
+    credentialInterfaces = (IUsernamePassword,)
+    service = None
+
+    def __init__(self, soledad_sessions):
+        """
+        :param soledad_sessions: a dict-like object, containing instances
+                                 of a Store (soledad instances), indexed by
+                                 userid.
+        """
+        self._soledad_sessions = soledad_sessions
+
+    def requestAvatarId(self, credentials):
+        if self.service is None:
+            raise NotImplementedError(
+                "this checker has not defined its service name")
+        username, password = credentials.username, credentials.password
+        d = self.checkSoledadToken(username, password, self.service)
+        d.addErrback(lambda f: defer.fail(UnauthorizedLogin()))
+        return d
+
+    def checkSoledadToken(self, username, password, service):
+        soledad = self._soledad_sessions.get(username)
+        if not soledad:
+            return defer.fail(Exception("No soledad"))
+
+        def match_token(token):
+            if token is None:
+                raise RuntimeError('no token')
+            if token == password:
+                return username
+            else:
+                raise RuntimeError('bad token')
+
+        d = soledad.get_or_create_service_token(service)
+        d.addCallback(match_token)
+        return d
diff --git a/src/leap/bitmask/mail/decorators.py b/src/leap/bitmask/mail/decorators.py
new file mode 100644
index 0000000..5105de9
--- /dev/null
+++ b/src/leap/bitmask/mail/decorators.py
@@ -0,0 +1,149 @@
+# -*- coding: utf-8 -*-
+# decorators.py
+# Copyright (C) 2013 LEAP
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+"""
+Useful decorators for mail package.
+"""
+import logging
+import os
+
+from functools import wraps
+
+from twisted.internet.threads import deferToThread
+
+
+logger = logging.getLogger(__name__)
+
+
+# TODO
+# Should write a helper to be able to pass a timeout argument.
+# See this answer: http://stackoverflow.com/a/19019648/1157664
+# And the notes by glyph and jpcalderone
+
+def deferred_to_thread(f):
+    """
+    Decorator, for deferring methods to Threads.
+
+    It will do a deferToThread of the decorated method
+    unless the environment variable LEAPMAIL_DEBUG is set.
+
+    It uses a descriptor to delay the definition of the
+    method wrapper.
+    """
+    class descript(object):
+        """
+        The class to be used as decorator.
+
+        It takes any method as the passed object.
+        """
+
+        def __init__(self, f):
+            """
+            Initializes the decorator object.
+
+            :param f: the decorated function
+            :type f: callable
+            """
+            self.f = f
+
+        def __get__(self, instance, klass):
+            """
+            Descriptor implementation.
+
+            At creation time, the decorated `method` is unbound.
+
+            It will dispatch the make_unbound method if we still do not
+            have an instance available, and the make_bound method when the
+            method has already been bound to the instance.
+
+            :param instance: the instance of the class, or None if not exist.
+            :type instance: instantiated class or None.
+            """
+            if instance is None:
+                # Class method was requested
+                return self.make_unbound(klass)
+            return self.make_bound(instance)
+
+        def _errback(self, failure):
+            """
+            Errorback that logs the exception catched.
+
+            :param failure: a twisted failure
+            :type failure: Failure
+            """
+            logger.warning('Error in method: %s' % (self.f.__name__))
+            logger.exception(failure.getTraceback())
+
+        def make_unbound(self, klass):
+            """
+            Return a wrapped function with the unbound call, during the
+            early access to the decortad method. This gets passed
+            only the class (not the instance since it does not yet exist).
+
+            :param klass: the class to which the still unbound method belongs
+            :type klass: type
+            """
+
+            @wraps(self.f)
+            def wrapper(*args, **kwargs):
+                """
+                We're temporarily wrapping the decorated method, but this
+                should not be called, since our application should use
+                the bound-wrapped method after this decorator class has been
+                used.
+
+                This documentation will vanish at runtime.
+                """
+                raise TypeError(
+                    'unbound method {}() must be called with {} instance '
+                    'as first argument (got nothing instead)'.format(
+                        self.f.__name__,
+                        klass.__name__)
+                )
+            return wrapper
+
+        def make_bound(self, instance):
+            """
+            Return a function that wraps the bound method call,
+            after we are able to access the instance object.
+
+            :param instance: an instance of the class the decorated method,
+                             now bound, belongs to.
+            :type instance: object
+            """
+
+            @wraps(self.f)
+            def wrapper(*args, **kwargs):
+                """
+                Do a proper function wrapper that defers the decorated method
+                call to a separated thread if the LEAPMAIL_DEBUG
+                environment variable is set.
+
+                This documentation will vanish at runtime.
+                """
+                if not os.environ.get('LEAPMAIL_DEBUG'):
+                    d = deferToThread(self.f, instance, *args, **kwargs)
+                    d.addErrback(self._errback)
+                    return d
+                else:
+                    return self.f(instance, *args, **kwargs)
+
+            # This instance does not need the descriptor anymore,
+            # let it find the wrapper directly next time:
+            setattr(instance, self.f.__name__, wrapper)
+            return wrapper
+
+    return descript(f)
diff --git a/src/leap/bitmask/mail/errors.py b/src/leap/bitmask/mail/errors.py
new file mode 100644
index 0000000..2f18e87
--- /dev/null
+++ b/src/leap/bitmask/mail/errors.py
@@ -0,0 +1,27 @@
+# -*- coding: utf-8 -*-
+# errors.py
+# Copyright (C) 2015 LEAP
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+"""
+Exceptions for leap.mail
+"""
+
+
+class AuthenticationError(Exception):
+    pass
+
+
+class ConfigurationError(Exception):
+    pass
diff --git a/src/leap/bitmask/mail/generator.py b/src/leap/bitmask/mail/generator.py
new file mode 100644
index 0000000..bb3f26e
--- /dev/null
+++ b/src/leap/bitmask/mail/generator.py
@@ -0,0 +1,23 @@
+from email.generator import Generator as EmailGenerator
+
+
+class Generator(EmailGenerator):
+    """
+    Generates output from a Message object tree, keeping signatures.
+
+    This code was extracted from Mailman.Generator.Generator, version 2.1.4:
+
+    Most other Generator will be created not setting the foldheader flag,
+    as we do not overwrite clone(). The original clone() does not
+    set foldheaders.
+
+    So you need to set foldheaders if you want the toplevel to fold headers
+
+    TODO: Python 3.3 is patched against this problems. See issue 1590744 on
+          python bug tracker.
+    """
+    def _write_headers(self, msg):
+        for h, v in msg.items():
+            print >> self._fp, '%s:' % h,
+            print >> self._fp, v
+        print >> self._fp
diff --git a/src/leap/bitmask/mail/imap/__init__.py b/src/leap/bitmask/mail/imap/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/src/leap/bitmask/mail/imap/__init__.py
diff --git a/src/leap/bitmask/mail/imap/account.py b/src/leap/bitmask/mail/imap/account.py
new file mode 100644
index 0000000..e795c1b
--- /dev/null
+++ b/src/leap/bitmask/mail/imap/account.py
@@ -0,0 +1,498 @@
+# -*- coding: utf-8 -*-
+# account.py
+# Copyright (C) 2013-2015 LEAP
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+"""
+Soledad Backed IMAP Account.
+"""
+import logging
+import os
+import time
+from functools import partial
+
+from twisted.internet import defer
+from twisted.mail import imap4
+from twisted.python import log
+from zope.interface import implements
+
+from leap.common.check import leap_assert, leap_assert_type
+
+from leap.mail.constants import MessageFlags
+from leap.mail.mail import Account
+from leap.mail.imap.mailbox import IMAPMailbox, normalize_mailbox
+from leap.soledad.client import Soledad
+
+logger = logging.getLogger(__name__)
+
+PROFILE_CMD = os.environ.get('LEAP_PROFILE_IMAPCMD', False)
+
+if PROFILE_CMD:
+    def _debugProfiling(result, cmdname, start):
+        took = (time.time() - start) * 1000
+        log.msg("CMD " + cmdname + " TOOK: " + str(took) + " msec")
+        return result
+
+
+#######################################
+# Soledad IMAP Account
+#######################################
+
+
+class IMAPAccount(object):
+    """
+    An implementation of an imap4 Account
+    that is backed by Soledad Encrypted Documents.
+    """
+
+    implements(imap4.IAccount, imap4.INamespacePresenter)
+
+    selected = None
+
+    def __init__(self, store, user_id, d=defer.Deferred()):
+        """
+        Keeps track of the mailboxes and subscriptions handled by this account.
+
+        The account is not ready to be used, since the store needs to be
+        initialized and we also need to do some initialization routines.
+        You can either pass a deferred to this constructor, or use
+        `callWhenReady` method.
+
+        :param store: a Soledad instance.
+        :type store: Soledad
+
+        :param user_id: The identifier of the user this account belongs to
+                        (user id, in the form user@provider).
+        :type user_id: str
+
+
+        :param d: a deferred that will be fired with this IMAPAccount instance
+                  when the account is ready to be used.
+        :type d: defer.Deferred
+        """
+        leap_assert(store, "Need a store instance to initialize")
+        leap_assert_type(store, Soledad)
+
+        # TODO assert too that the name matches the user/uuid with which
+        # soledad has been initialized. Although afaik soledad doesn't know
+        # about user_id, only the client backend.
+
+        self.user_id = user_id
+        self.account = Account(
+            store, user_id, ready_cb=lambda: d.callback(self))
+
+    def end_session(self):
+        """
+        Used to mark when the session has closed, and we should not allow any
+        more commands from the client.
+
+        Right now it's called from the client backend.
+        """
+        # TODO move its use to the service shutdown in leap.mail
+        self.account.end_session()
+
+    @property
+    def session_ended(self):
+        return self.account.session_ended
+
+    def callWhenReady(self, cb, *args, **kw):
+        """
+        Execute callback when the account is ready to be used.
+        XXX note that this callback will be called with a first ignored
+        parameter.
+        """
+        # TODO ignore the first parameter and change tests accordingly.
+        d = self.account.callWhenReady(cb, *args, **kw)
+        return d
+
+    def getMailbox(self, name):
+        """
+        Return a Mailbox with that name, without selecting it.
+
+        :param name: name of the mailbox
+        :type name: str
+
+        :returns: an IMAPMailbox instance
+        :rtype: IMAPMailbox
+        """
+        name = normalize_mailbox(name)
+
+        def check_it_exists(mailboxes):
+            if name not in mailboxes:
+                raise imap4.MailboxException("No such mailbox: %r" % name)
+            return True
+
+        d = self.account.list_all_mailbox_names()
+        d.addCallback(check_it_exists)
+        d.addCallback(lambda _: self.account.get_collection_by_mailbox(name))
+        d.addCallback(self._return_mailbox_from_collection)
+        return d
+
+    def _return_mailbox_from_collection(self, collection, readwrite=1):
+        if collection is None:
+            return None
+        mbox = IMAPMailbox(collection, rw=readwrite)
+        return mbox
+
+    #
+    # IAccount
+    #
+
+    def addMailbox(self, name, creation_ts=None):
+        """
+        Add a mailbox to the account.
+
+        :param name: the name of the mailbox
+        :type name: str
+
+        :param creation_ts: an optional creation timestamp to be used as
+                            mailbox id. A timestamp will be used if no
+                            one is provided.
+        :type creation_ts: int
+
+        :returns: a Deferred that will contain the document if successful.
+        :rtype: defer.Deferred
+        """
+        name = normalize_mailbox(name)
+
+        # FIXME --- return failure instead of AssertionError
+        # See AccountTestCase...
+        leap_assert(name, "Need a mailbox name to create a mailbox")
+
+        def check_it_does_not_exist(mailboxes):
+            if name in mailboxes:
+                raise imap4.MailboxCollision, repr(name)
+            return mailboxes
+
+        d = self.account.list_all_mailbox_names()
+        d.addCallback(check_it_does_not_exist)
+        d.addCallback(lambda _: self.account.add_mailbox(
+            name, creation_ts=creation_ts))
+        d.addCallback(lambda _: self.account.get_collection_by_mailbox(name))
+        d.addCallback(self._return_mailbox_from_collection)
+        return d
+
+    def create(self, pathspec):
+        """
+        Create a new mailbox from the given hierarchical name.
+
+        :param pathspec:
+            The full hierarchical name of a new mailbox to create.
+            If any of the inferior hierarchical names to this one
+            do not exist, they are created as well.
+        :type pathspec: str
+
+        :return:
+            A deferred that will fire with a true value if the creation
+            succeeds. The deferred might fail with a MailboxException
+            if the mailbox cannot be added.
+        :rtype: Deferred
+
+        """
+        def pass_on_collision(failure):
+            failure.trap(imap4.MailboxCollision)
+            return True
+
+        def handle_collision(failure):
+            failure.trap(imap4.MailboxCollision)
+            if not pathspec.endswith('/'):
+                return defer.succeed(False)
+            else:
+                return defer.succeed(True)
+
+        def all_good(result):
+            return all(result)
+
+        paths = filter(None, normalize_mailbox(pathspec).split('/'))
+        subs = []
+        sep = '/'
+
+        for accum in range(1, len(paths)):
+            partial_path = sep.join(paths[:accum])
+            d = self.addMailbox(partial_path)
+            d.addErrback(pass_on_collision)
+            subs.append(d)
+
+        df = self.addMailbox(sep.join(paths))
+        df.addErrback(handle_collision)
+        subs.append(df)
+
+        d1 = defer.gatherResults(subs)
+        d1.addCallback(all_good)
+        return d1
+
+    def select(self, name, readwrite=1):
+        """
+        Selects a mailbox.
+
+        :param name: the mailbox to select
+        :type name: str
+
+        :param readwrite: 1 for readwrite permissions.
+        :type readwrite: int
+
+        :rtype: IMAPMailbox
+        """
+        name = normalize_mailbox(name)
+
+        def check_it_exists(mailboxes):
+            if name not in mailboxes:
+                logger.warning("SELECT: No such mailbox!")
+                return None
+            return name
+
+        def set_selected(_):
+            self.selected = name
+
+        def get_collection(name):
+            if name is None:
+                return None
+            return self.account.get_collection_by_mailbox(name)
+
+        d = self.account.list_all_mailbox_names()
+        d.addCallback(check_it_exists)
+        d.addCallback(get_collection)
+        d.addCallback(partial(
+            self._return_mailbox_from_collection, readwrite=readwrite))
+        return d
+
+    def delete(self, name, force=False):
+        """
+        Deletes a mailbox.
+
+        :param name: the mailbox to be deleted
+        :type name: str
+
+        :param force:
+            if True, it will not check for noselect flag or inferior
+            names. use with care.
+        :type force: bool
+        :rtype: Deferred
+        """
+        name = normalize_mailbox(name)
+        _mboxes = None
+
+        def check_it_exists(mailboxes):
+            global _mboxes
+            _mboxes = mailboxes
+            if name not in mailboxes:
+                raise imap4.MailboxException("No such mailbox: %r" % name)
+
+        def get_mailbox(_):
+            return self.getMailbox(name)
+
+        def destroy_mailbox(mbox):
+            return mbox.destroy()
+
+        def check_can_be_deleted(mbox):
+            global _mboxes
+            # See if this box is flagged \Noselect
+            mbox_flags = mbox.getFlags()
+            if MessageFlags.NOSELECT_FLAG in mbox_flags:
+                # Check for hierarchically inferior mailboxes with this one
+                # as part of their root.
+                for others in _mboxes:
+                    if others != name and others.startswith(name):
+                        raise imap4.MailboxException(
+                            "Hierarchically inferior mailboxes "
+                            "exist and \\Noselect is set")
+            return mbox
+
+        d = self.account.list_all_mailbox_names()
+        d.addCallback(check_it_exists)
+        d.addCallback(get_mailbox)
+        if not force:
+            d.addCallback(check_can_be_deleted)
+        d.addCallback(destroy_mailbox)
+        return d
+
+        # FIXME --- not honoring the inferior names...
+        # if there are no hierarchically inferior names, we will
+        # delete it from our ken.
+        # XXX is this right?
+        # if self._inferiorNames(name) > 1:
+        #   self._index.removeMailbox(name)
+
+    def rename(self, oldname, newname):
+        """
+        Renames a mailbox.
+
+        :param oldname: old name of the mailbox
+        :type oldname: str
+
+        :param newname: new name of the mailbox
+        :type newname: str
+        """
+        oldname = normalize_mailbox(oldname)
+        newname = normalize_mailbox(newname)
+
+        def rename_inferiors((inferiors, mailboxes)):
+            rename_deferreds = []
+            inferiors = [
+                (o, o.replace(oldname, newname, 1)) for o in inferiors]
+
+            for (old, new) in inferiors:
+                if new in mailboxes:
+                    raise imap4.MailboxCollision(repr(new))
+
+            for (old, new) in inferiors:
+                d = self.account.rename_mailbox(old, new)
+                rename_deferreds.append(d)
+
+            d1 = defer.gatherResults(rename_deferreds, consumeErrors=True)
+            return d1
+
+        d1 = self._inferiorNames(oldname)
+        d2 = self.account.list_all_mailbox_names()
+
+        d = defer.gatherResults([d1, d2])
+        d.addCallback(rename_inferiors)
+        return d
+
+    def _inferiorNames(self, name):
+        """
+        Return hierarchically inferior mailboxes.
+
+        :param name: name of the mailbox
+        :rtype: list
+        """
+        # XXX use wildcard query instead
+        def filter_inferiors(mailboxes):
+            inferiors = []
+            for infname in mailboxes:
+                if infname.startswith(name):
+                    inferiors.append(infname)
+            return inferiors
+
+        d = self.account.list_all_mailbox_names()
+        d.addCallback(filter_inferiors)
+        return d
+
+    def listMailboxes(self, ref, wildcard):
+        """
+        List the mailboxes.
+
+        from rfc 3501:
+        returns a subset of names from the complete set
+        of all names available to the client.  Zero or more untagged LIST
+        replies are returned, containing the name attributes, hierarchy
+        delimiter, and name.
+
+        :param ref: reference name
+        :type ref: str
+
+        :param wildcard: mailbox name with possible wildcards
+        :type wildcard: str
+        """
+        wildcard = imap4.wildcardToRegexp(wildcard, '/')
+
+        def get_list(mboxes, mboxes_names):
+            return zip(mboxes_names, mboxes)
+
+        def filter_inferiors(ref):
+            mboxes = [mbox for mbox in ref if wildcard.match(mbox)]
+            mbox_d = defer.gatherResults([self.getMailbox(m) for m in mboxes])
+
+            mbox_d.addCallback(get_list, mboxes)
+            return mbox_d
+
+        d = self._inferiorNames(normalize_mailbox(ref))
+        d.addCallback(filter_inferiors)
+        return d
+
+    #
+    # The rest of the methods are specific for leap.mail.imap.account.Account
+    #
+
+    def isSubscribed(self, name):
+        """
+        Returns True if user is subscribed to this mailbox.
+
+        :param name: the mailbox to be checked.
+        :type name: str
+
+        :rtype: Deferred (will fire with bool)
+        """
+        name = normalize_mailbox(name)
+
+        def get_subscribed(mbox):
+            return mbox.collection.get_mbox_attr("subscribed")
+
+        d = self.getMailbox(name)
+        d.addCallback(get_subscribed)
+        return d
+
+    def subscribe(self, name):
+        """
+        Subscribe to this mailbox if not already subscribed.
+
+        :param name: name of the mailbox
+        :type name: str
+        :rtype: Deferred
+        """
+        name = normalize_mailbox(name)
+
+        def set_subscribed(mbox):
+            return mbox.collection.set_mbox_attr("subscribed", True)
+
+        d = self.getMailbox(name)
+        d.addCallback(set_subscribed)
+        return d
+
+    def unsubscribe(self, name):
+        """
+        Unsubscribe from this mailbox
+
+        :param name: name of the mailbox
+        :type name: str
+        :rtype: Deferred
+        """
+        # TODO should raise MailboxException if attempted to unsubscribe
+        # from a mailbox that is not currently subscribed.
+        # TODO factor out with subscribe method.
+        name = normalize_mailbox(name)
+
+        def set_unsubscribed(mbox):
+            return mbox.collection.set_mbox_attr("subscribed", False)
+
+        d = self.getMailbox(name)
+        d.addCallback(set_unsubscribed)
+        return d
+
+    def getSubscriptions(self):
+        def get_subscribed(mailboxes):
+            return [x.mbox for x in mailboxes if x.subscribed]
+
+        d = self.account.get_all_mailboxes()
+        d.addCallback(get_subscribed)
+        return d
+
+    #
+    # INamespacePresenter
+    #
+
+    def getPersonalNamespaces(self):
+        return [["", "/"]]
+
+    def getSharedNamespaces(self):
+        return None
+
+    def getOtherNamespaces(self):
+        return None
+
+    def __repr__(self):
+        """
+        Representation string for this object.
+        """
+        return "<IMAPAccount (%s)>" % self.user_id
diff --git a/src/leap/bitmask/mail/imap/mailbox.py b/src/leap/bitmask/mail/imap/mailbox.py
new file mode 100644
index 0000000..e70a1d8
--- /dev/null
+++ b/src/leap/bitmask/mail/imap/mailbox.py
@@ -0,0 +1,970 @@
+# *- coding: utf-8 -*-
+# mailbox.py
+# Copyright (C) 2013-2015 LEAP
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+"""
+IMAP Mailbox.
+"""
+import re
+import logging
+import os
+import cStringIO
+import StringIO
+import time
+
+from collections import defaultdict
+from email.utils import formatdate
+
+from twisted.internet import defer
+from twisted.internet import reactor
+from twisted.python import log
+
+from twisted.mail import imap4
+from zope.interface import implements
+
+from leap.common.check import leap_assert
+from leap.common.check import leap_assert_type
+from leap.mail.constants import INBOX_NAME, MessageFlags
+from leap.mail.imap.messages import IMAPMessage
+
+logger = logging.getLogger(__name__)
+
+# TODO LIST
+# [ ] Restore profile_cmd instrumentation
+# [ ] finish the implementation of IMailboxListener
+# [ ] implement the rest of ISearchableMailbox
+
+
+"""
+If the environment variable `LEAP_SKIPNOTIFY` is set, we avoid
+notifying clients of new messages. Use during stress tests.
+"""
+NOTIFY_NEW = not os.environ.get('LEAP_SKIPNOTIFY', False)
+PROFILE_CMD = os.environ.get('LEAP_PROFILE_IMAPCMD', False)
+
+if PROFILE_CMD:
+
+    def _debugProfiling(result, cmdname, start):
+        took = (time.time() - start) * 1000
+        log.msg("CMD " + cmdname + " TOOK: " + str(took) + " msec")
+        return result
+
+    def do_profile_cmd(d, name):
+        """
+        Add the profiling debug to the passed callback.
+        :param d: deferred
+        :param name: name of the command
+        :type name: str
+        """
+        d.addCallback(_debugProfiling, name, time.time())
+        d.addErrback(lambda f: log.msg(f.getTraceback()))
+
+INIT_FLAGS = (MessageFlags.SEEN_FLAG, MessageFlags.ANSWERED_FLAG,
+              MessageFlags.FLAGGED_FLAG, MessageFlags.DELETED_FLAG,
+              MessageFlags.DRAFT_FLAG, MessageFlags.RECENT_FLAG,
+              MessageFlags.LIST_FLAG)
+
+
+def make_collection_listener(mailbox):
+    """
+    Wrap a mailbox in a class that can be hashed according to the mailbox name.
+
+    This means that dicts or sets will use this new equality rule, so we won't
+    collect multiple instances of the same mailbox in collections like the
+    MessageCollection set where we keep track of listeners.
+    """
+
+    class HashableMailbox(object):
+
+        def __init__(self, mbox):
+            self.mbox = mbox
+
+            # See #8083, pixelated adaptor seems to be misusing this class.
+            self.mailbox_name = self.mbox.mbox_name
+
+        def __hash__(self):
+            return hash(self.mbox.mbox_name)
+
+        def __eq__(self, other):
+            return self.mbox.mbox_name == other.mbox.mbox_name
+
+        def notify_new(self):
+            self.mbox.notify_new()
+
+    return HashableMailbox(mailbox)
+
+
+class IMAPMailbox(object):
+    """
+    A Soledad-backed IMAP mailbox.
+
+    Implements the high-level method needed for the Mailbox interfaces.
+    The low-level database methods are contained in the generic
+    MessageCollection class. We receive an instance of it and it is made
+    accessible in the `collection` attribute.
+    """
+    implements(
+        imap4.IMailbox,
+        imap4.IMailboxInfo,
+        imap4.ISearchableMailbox,
+        # XXX I think we do not need to implement CloseableMailbox, do we?
+        # We could remove ourselves from the collectionListener, although I
+        # think it simply will be garbage collected.
+        # imap4.ICloseableMailbox
+        imap4.IMessageCopier)
+
+    init_flags = INIT_FLAGS
+
+    CMD_MSG = "MESSAGES"
+    CMD_RECENT = "RECENT"
+    CMD_UIDNEXT = "UIDNEXT"
+    CMD_UIDVALIDITY = "UIDVALIDITY"
+    CMD_UNSEEN = "UNSEEN"
+
+    # TODO we should turn this into a datastructure with limited capacity
+    _listeners = defaultdict(set)
+
+    def __init__(self, collection, rw=1):
+        """
+        :param collection: instance of MessageCollection
+        :type collection: MessageCollection
+
+        :param rw: read-and-write flag for this mailbox
+        :type rw: int
+        """
+        self.rw = rw
+        self._uidvalidity = None
+        self.collection = collection
+        self.collection.addListener(make_collection_listener(self))
+
+    @property
+    def mbox_name(self):
+        return self.collection.mbox_name
+
+    @property
+    def listeners(self):
+        """
+        Returns listeners for this mbox.
+
+        The server itself is a listener to the mailbox.
+        so we can notify it (and should!) after changes in flags
+        and number of messages.
+
+        :rtype: set
+        """
+        return self._listeners[self.mbox_name]
+
+    def get_imap_message(self, message):
+        d = defer.Deferred()
+        IMAPMessage(message, store=self.collection.store, d=d)
+        return d
+
+    # FIXME this grows too crazily when many instances are fired, like
+    # during imaptest stress testing. Should have a queue of limited size
+    # instead.
+
+    def addListener(self, listener):
+        """
+        Add a listener to the listeners queue.
+        The server adds itself as a listener when there is a SELECT,
+        so it can send EXIST commands.
+
+        :param listener: listener to add
+        :type listener: an object that implements IMailboxListener
+        """
+        if not NOTIFY_NEW:
+            return
+
+        listeners = self.listeners
+        logger.debug('adding mailbox listener: %s. Total: %s' % (
+            listener, len(listeners)))
+        listeners.add(listener)
+
+    def removeListener(self, listener):
+        """
+        Remove a listener from the listeners queue.
+
+        :param listener: listener to remove
+        :type listener: an object that implements IMailboxListener
+        """
+        self.listeners.remove(listener)
+
+    def getFlags(self):
+        """
+        Returns the flags defined for this mailbox.
+
+        :returns: tuple of flags for this mailbox
+        :rtype: tuple of str
+        """
+        flags = self.collection.mbox_wrapper.flags
+        if not flags:
+            flags = self.init_flags
+        flags_str = map(str, flags)
+        return flags_str
+
+    def setFlags(self, flags):
+        """
+        Sets flags for this mailbox.
+
+        :param flags: a tuple with the flags
+        :type flags: tuple of str
+        """
+        # XXX this is setting (overriding) old flags.
+        # Better pass a mode flag
+        leap_assert(isinstance(flags, tuple),
+                    "flags expected to be a tuple")
+        return self.collection.set_mbox_attr("flags", flags)
+
+    def getUIDValidity(self):
+        """
+        Return the unique validity identifier for this mailbox.
+
+        :return: unique validity identifier
+        :rtype: int
+        """
+        return self.collection.get_mbox_attr("created")
+
+    def getUID(self, message_number):
+        """
+        Return the UID of a message in the mailbox
+
+        .. note:: this implementation does not make much sense RIGHT NOW,
+        but in the future will be useful to get absolute UIDs from
+        message sequence numbers.
+
+
+        :param message: the message sequence number.
+        :type message: int
+
+        :rtype: int
+        :return: the UID of the message.
+
+        """
+        # TODO support relative sequences. The (imap) message should
+        # receive a sequence number attribute: a deferred is not expected
+        return message_number
+
+    def getUIDNext(self):
+        """
+        Return the likely UID for the next message added to this
+        mailbox. Currently it returns the higher UID incremented by
+        one.
+
+        :return: deferred with int
+        :rtype: Deferred
+        """
+        d = self.collection.get_uid_next()
+        return d
+
+    def getMessageCount(self):
+        """
+        Returns the total count of messages in this mailbox.
+
+        :return: deferred with int
+        :rtype: Deferred
+        """
+        return self.collection.count()
+
+    def getUnseenCount(self):
+        """
+        Returns the number of messages with the 'Unseen' flag.
+
+        :return: count of messages flagged `unseen`
+        :rtype: int
+        """
+        return self.collection.count_unseen()
+
+    def getRecentCount(self):
+        """
+        Returns the number of messages with the 'Recent' flag.
+
+        :return: count of messages flagged `recent`
+        :rtype: int
+        """
+        return self.collection.count_recent()
+
+    def isWriteable(self):
+        """
+        Get the read/write status of the mailbox.
+
+        :return: 1 if mailbox is read-writeable, 0 otherwise.
+        :rtype: int
+        """
+        # XXX We don't need to store it in the mbox doc, do we?
+        # return int(self.collection.get_mbox_attr('rw'))
+        return self.rw
+
+    def getHierarchicalDelimiter(self):
+        """
+        Returns the character used to delimite hierarchies in mailboxes.
+
+        :rtype: str
+        """
+        return '/'
+
+    def requestStatus(self, names):
+        """
+        Handles a status request by gathering the output of the different
+        status commands.
+
+        :param names: a list of strings containing the status commands
+        :type names: iter
+        """
+        r = {}
+        maybe = defer.maybeDeferred
+        if self.CMD_MSG in names:
+            r[self.CMD_MSG] = maybe(self.getMessageCount)
+        if self.CMD_RECENT in names:
+            r[self.CMD_RECENT] = maybe(self.getRecentCount)
+        if self.CMD_UIDNEXT in names:
+            r[self.CMD_UIDNEXT] = maybe(self.getUIDNext)
+        if self.CMD_UIDVALIDITY in names:
+            r[self.CMD_UIDVALIDITY] = maybe(self.getUIDValidity)
+        if self.CMD_UNSEEN in names:
+            r[self.CMD_UNSEEN] = maybe(self.getUnseenCount)
+
+        def as_a_dict(values):
+            return dict(zip(r.keys(), values))
+
+        d = defer.gatherResults(r.values())
+        d.addCallback(as_a_dict)
+        return d
+
+    def addMessage(self, message, flags, date=None, notify_just_mdoc=True):
+        """
+        Adds a message to this mailbox.
+
+        :param message: the raw message
+        :type message: str
+
+        :param flags: flag list
+        :type flags: list of str
+
+        :param date: timestamp
+        :type date: str, or None
+
+        :param notify_just_mdoc:
+            boolean passed to the wrapper.create method, to indicate whether
+            we're insterested in being notified right after the mdoc has been
+            written (as it's the first doc to be written, and quite small, this
+            is faster, though potentially unsafe).
+            Setting it to True improves a *lot* the responsiveness of the
+            APPENDS: we just need to be notified when the mdoc is saved, and
+            let's just expect that the other parts are doing just fine.  This
+            will not catch any errors when the inserts of the other parts
+            fail, but on the other hand allows us to return very quickly,
+            which seems a good compromise given that we have to serialize the
+            appends.
+            However, some operations like the saving of drafts need to wait for
+            all the parts to be saved, so if some heuristics are met down in
+            the call chain a Draft message will unconditionally set this flag
+            to False, and therefore ignoring the setting of this flag here.
+        :type notify_just_mdoc: bool
+
+        :return: a deferred that will be triggered with the UID of the added
+                 message.
+        """
+        # TODO should raise ReadOnlyMailbox if not rw.
+        # TODO have a look at the cases for internal date in the rfc
+        # XXX we could treat the message as an IMessage from here
+
+        # TODO change notify_just_mdoc to something more meaningful, like
+        # fast_insert_notify?
+
+        # TODO  notify_just_mdoc *sometimes* make the append tests fail.
+        # have to find a better solution for this. A workaround could probably
+        # be to have a list of the ongoing deferreds related to append, so that
+        # we queue for later all the requests having to do with these.
+
+        # A better solution will probably involve implementing MULTIAPPEND
+        # extension or patching imap server to support pipelining.
+
+        if isinstance(message, (cStringIO.OutputType, StringIO.StringIO)):
+            message = message.getvalue()
+
+        leap_assert_type(message, basestring)
+
+        if flags is None:
+            flags = tuple()
+        else:
+            flags = tuple(str(flag) for flag in flags)
+
+        if date is None:
+            date = formatdate(time.time())
+
+        d = self.collection.add_msg(message, flags, date=date,
+                                    notify_just_mdoc=notify_just_mdoc)
+        d.addErrback(lambda failure: log.err(failure))
+        return d
+
+    def notify_new(self, *args):
+        """
+        Notify of new messages to all the listeners.
+
+        This will be called indirectly by the underlying collection, that will
+        notify this IMAPMailbox whenever there are changes in the number of
+        messages in the collection, since we have added ourselves to the
+        collection listeners.
+
+        :param args: ignored.
+        """
+        if not NOTIFY_NEW:
+            return
+
+        def cbNotifyNew(result):
+            exists, recent = result
+            for listener in self.listeners:
+                listener.newMessages(exists, recent)
+
+        d = self._get_notify_count()
+        d.addCallback(cbNotifyNew)
+        d.addCallback(self.collection.cb_signal_unread_to_ui)
+        d.addErrback(lambda failure: log.err(failure))
+
+    def _get_notify_count(self):
+        """
+        Get message count and recent count for this mailbox.
+
+        :return: a deferred that will fire with a tuple, with number of
+                 messages and number of recent messages.
+        :rtype: Deferred
+        """
+        # XXX this is way too expensive in cases like multiple APPENDS.
+        # We should have a way of keep a cache or do a self-increment for that
+        # kind of calls.
+        d_exists = defer.maybeDeferred(self.getMessageCount)
+        d_recent = defer.maybeDeferred(self.getRecentCount)
+        d_list = [d_exists, d_recent]
+
+        def log_num_msg(result):
+            exists, recent = tuple(result)
+            logger.debug("NOTIFY (%r): there are %s messages, %s recent" % (
+                         self.mbox_name, exists, recent))
+            return result
+
+        d = defer.gatherResults(d_list)
+        d.addCallback(log_num_msg)
+        return d
+
+    # commands, do not rename methods
+
+    def destroy(self):
+        """
+        Called before this mailbox is permanently deleted.
+
+        Should cleanup resources, and set the \\Noselect flag
+        on the mailbox.
+
+        """
+        # XXX this will overwrite all the existing flags
+        # should better simply addFlag
+        self.setFlags((MessageFlags.NOSELECT_FLAG,))
+
+        def remove_mbox(_):
+            uuid = self.collection.mbox_uuid
+            d = self.collection.mbox_wrapper.delete(self.collection.store)
+            d.addCallback(
+                lambda _: self.collection.mbox_indexer.delete_table(uuid))
+            return d
+
+        d = self.deleteAllDocs()
+        d.addCallback(remove_mbox)
+        return d
+
+    def expunge(self):
+        """
+        Remove all messages flagged \\Deleted
+        """
+        if not self.isWriteable():
+            raise imap4.ReadOnlyMailbox
+        return self.collection.delete_all_flagged()
+
+    def _get_message_fun(self, uid):
+        """
+        Return the proper method to get a message for this mailbox, depending
+        on the passed uid flag.
+
+        :param uid: If true, the IDs specified in the query are UIDs;
+                    otherwise they are message sequence IDs.
+        :type uid: bool
+        :rtype: callable
+        """
+        get_message_fun = [
+            self.collection.get_message_by_sequence_number,
+            self.collection.get_message_by_uid][uid]
+        return get_message_fun
+
+    def _get_messages_range(self, messages_asked, uid=True):
+
+        def get_range(messages_asked):
+            return self._filter_msg_seq(messages_asked)
+
+        d = self._bound_seq(messages_asked, uid)
+        if uid:
+            d.addCallback(get_range)
+        d.addErrback(lambda f: log.err(f))
+        return d
+
+    def _bound_seq(self, messages_asked, uid):
+        """
+        Put an upper bound to a messages sequence if this is open.
+
+        :param messages_asked: IDs of the messages.
+        :type messages_asked: MessageSet
+        :return: a Deferred that will fire with a MessageSet
+        """
+
+        def set_last_uid(last_uid):
+            messages_asked.last = last_uid
+            return messages_asked
+
+        def set_last_seq(all_uid):
+            messages_asked.last = len(all_uid)
+            return messages_asked
+
+        if not messages_asked.last:
+            try:
+                iter(messages_asked)
+            except TypeError:
+                # looks like we cannot iterate
+                if uid:
+                    d = self.collection.get_last_uid()
+                    d.addCallback(set_last_uid)
+                else:
+                    d = self.collection.all_uid_iter()
+                    d.addCallback(set_last_seq)
+                return d
+        return defer.succeed(messages_asked)
+
+    def _filter_msg_seq(self, messages_asked):
+        """
+        Filter a message sequence returning only the ones that do exist in the
+        collection.
+
+        :param messages_asked: IDs of the messages.
+        :type messages_asked: MessageSet
+        :rtype: set
+        """
+        # TODO we could pass the asked sequence to the indexer
+        # all_uid_iter, and bound the sql query instead.
+        def filter_by_asked(all_msg_uid):
+            set_asked = set(messages_asked)
+            set_exist = set(all_msg_uid)
+            return set_asked.intersection(set_exist)
+
+        d = self.collection.all_uid_iter()
+        d.addCallback(filter_by_asked)
+        return d
+
+    def fetch(self, messages_asked, uid):
+        """
+        Retrieve one or more messages in this mailbox.
+
+        from rfc 3501: The data items to be fetched can be either a single atom
+        or a parenthesized list.
+
+        :param messages_asked: IDs of the messages to retrieve information
+                               about
+        :type messages_asked: MessageSet
+
+        :param uid: If true, the IDs are UIDs. They are message sequence IDs
+                    otherwise.
+        :type uid: bool
+
+        :rtype: deferred with a generator that yields...
+        """
+        get_msg_fun = self._get_message_fun(uid)
+        getimapmsg = self.get_imap_message
+
+        def get_imap_messages_for_range(msg_range):
+
+            def _get_imap_msg(messages):
+                d_imapmsg = []
+                # just in case we got bad data in here
+                for msg in filter(None, messages):
+                    d_imapmsg.append(getimapmsg(msg))
+                return defer.gatherResults(d_imapmsg, consumeErrors=True)
+
+            def _zip_msgid(imap_messages):
+                zipped = zip(
+                    list(msg_range), imap_messages)
+                return (item for item in zipped)
+
+            # XXX not called??
+            def _unset_recent(sequence):
+                reactor.callLater(0, self.unset_recent_flags, sequence)
+                return sequence
+
+            d_msg = []
+            for msgid in msg_range:
+                # XXX We want cdocs because we "probably" are asked for the
+                # body. We should be smarter at do_FETCH and pass a parameter
+                # to this method in order not to prefetch cdocs if they're not
+                # going to be used.
+                d_msg.append(get_msg_fun(msgid, get_cdocs=True))
+
+            d = defer.gatherResults(d_msg, consumeErrors=True)
+            d.addCallback(_get_imap_msg)
+            d.addCallback(_zip_msgid)
+            d.addErrback(lambda failure: log.err(failure))
+            return d
+
+        d = self._get_messages_range(messages_asked, uid)
+        d.addCallback(get_imap_messages_for_range)
+        d.addErrback(lambda failure: log.err(failure))
+        return d
+
+    def fetch_flags(self, messages_asked, uid):
+        """
+        A fast method to fetch all flags, tricking just the
+        needed subset of the MIME interface that's needed to satisfy
+        a generic FLAGS query.
+
+        Given how LEAP Mail is supposed to work without local cache,
+        this query is going to be quite common, and also we expect
+        it to be in the form 1:* at the beginning of a session, so
+        it's not bad to fetch all the FLAGS docs at once.
+
+        :param messages_asked: IDs of the messages to retrieve information
+                               about
+        :type messages_asked: MessageSet
+
+        :param uid: If 1, the IDs are UIDs. They are message sequence IDs
+                    otherwise.
+        :type uid: int
+
+        :return: A tuple of two-tuples of message sequence numbers and
+                flagsPart, which is a only a partial implementation of
+                MessagePart.
+        :rtype: tuple
+        """
+        # is_sequence = True if uid == 0 else False
+        # XXX FIXME -----------------------------------------------------
+        # imap/tests, or muas like mutt, it will choke until we implement
+        # sequence numbers. This is an easy hack meanwhile.
+        is_sequence = False
+        # ---------------------------------------------------------------
+
+        if is_sequence:
+            raise NotImplementedError(
+                "FETCH FLAGS NOT IMPLEMENTED FOR MESSAGE SEQUENCE NUMBERS YET")
+
+        d = defer.Deferred()
+        reactor.callLater(0, self._do_fetch_flags, messages_asked, uid, d)
+        if PROFILE_CMD:
+            do_profile_cmd(d, "FETCH-ALL-FLAGS")
+        return d
+
+    def _do_fetch_flags(self, messages_asked, uid, d):
+        """
+        :param messages_asked: IDs of the messages to retrieve information
+                               about
+        :type messages_asked: MessageSet
+
+        :param uid: If 1, the IDs are UIDs. They are message sequence IDs
+                    otherwise.
+        :type uid: int
+        :param d: deferred whose callback will be called with result.
+        :type d: Deferred
+
+        :rtype: A generator that yields two-tuples of message sequence numbers
+                and flagsPart
+        """
+        class flagsPart(object):
+            def __init__(self, uid, flags):
+                self.uid = uid
+                self.flags = flags
+
+            def getUID(self):
+                return self.uid
+
+            def getFlags(self):
+                return map(str, self.flags)
+
+        def pack_flags(result):
+            _uid, _flags = result
+            return _uid, flagsPart(_uid, _flags)
+
+        def get_flags_for_seq(sequence):
+            d_all_flags = []
+            for msgid in sequence:
+                # TODO implement sequence numbers here too
+                d_flags_per_uid = self.collection.get_flags_by_uid(msgid)
+                d_flags_per_uid.addCallback(pack_flags)
+                d_all_flags.append(d_flags_per_uid)
+            gotflags = defer.gatherResults(d_all_flags)
+            gotflags.addCallback(get_uid_flag_generator)
+            return gotflags
+
+        def get_uid_flag_generator(result):
+            generator = (item for item in result)
+            d.callback(generator)
+
+        d_seq = self._get_messages_range(messages_asked, uid)
+        d_seq.addCallback(get_flags_for_seq)
+        return d_seq
+
+    @defer.inlineCallbacks
+    def fetch_headers(self, messages_asked, uid):
+        """
+        A fast method to fetch all headers, tricking just the
+        needed subset of the MIME interface that's needed to satisfy
+        a generic HEADERS query.
+
+        Given how LEAP Mail is supposed to work without local cache,
+        this query is going to be quite common, and also we expect
+        it to be in the form 1:* at the beginning of a session, so
+        **MAYBE** it's not too bad to fetch all the HEADERS docs at once.
+
+        :param messages_asked: IDs of the messages to retrieve information
+                               about
+        :type messages_asked: MessageSet
+
+        :param uid: If true, the IDs are UIDs. They are message sequence IDs
+                    otherwise.
+        :type uid: bool
+
+        :return: A tuple of two-tuples of message sequence numbers and
+                headersPart, which is a only a partial implementation of
+                MessagePart.
+        :rtype: tuple
+        """
+        # TODO implement sequences
+        is_sequence = True if uid == 0 else False
+        if is_sequence:
+            raise NotImplementedError(
+                "FETCH HEADERS NOT IMPLEMENTED FOR SEQUENCE NUMBER YET")
+
+        class headersPart(object):
+            def __init__(self, uid, headers):
+                self.uid = uid
+                self.headers = headers
+
+            def getUID(self):
+                return self.uid
+
+            def getHeaders(self, _):
+                return dict(
+                    (str(key), str(value))
+                    for key, value in
+                    self.headers.items())
+
+        messages_asked = yield self._bound_seq(messages_asked, uid)
+        seq_messg = yield self._filter_msg_seq(messages_asked)
+
+        result = []
+        for msgid in seq_messg:
+            msg = yield self.collection.get_message_by_uid(msgid)
+            headers = headersPart(msgid, msg.get_headers())
+            result.append((msgid, headers))
+        defer.returnValue(iter(result))
+
+    def store(self, messages_asked, flags, mode, uid):
+        """
+        Sets the flags of one or more messages.
+
+        :param messages: The identifiers of the messages to set the flags
+        :type messages: A MessageSet object with the list of messages requested
+
+        :param flags: The flags to set, unset, or add.
+        :type flags: sequence of str
+
+        :param mode: If mode is -1, these flags should be removed from the
+                     specified messages.  If mode is 1, these flags should be
+                     added to the specified messages.  If mode is 0, all
+                     existing flags should be cleared and these flags should be
+                     added.
+        :type mode: -1, 0, or 1
+
+        :param uid: If true, the IDs specified in the query are UIDs;
+                    otherwise they are message sequence IDs.
+        :type uid: bool
+
+        :return: A deferred, that will be called with a dict mapping message
+                 sequence numbers to sequences of str representing the flags
+                 set on the message after this operation has been performed.
+        :rtype: deferred
+
+        :raise ReadOnlyMailbox: Raised if this mailbox is not open for
+                                read-write.
+        """
+        if not self.isWriteable():
+            log.msg('read only mailbox!')
+            raise imap4.ReadOnlyMailbox
+
+        d = defer.Deferred()
+        reactor.callLater(0, self._do_store, messages_asked, flags,
+                          mode, uid, d)
+        if PROFILE_CMD:
+            do_profile_cmd(d, "STORE")
+
+        d.addCallback(self.collection.cb_signal_unread_to_ui)
+        d.addErrback(lambda f: log.err(f))
+        return d
+
+    def _do_store(self, messages_asked, flags, mode, uid, observer):
+        """
+        Helper method, invoke set_flags method in the IMAPMessageCollection.
+
+        See the documentation for the `store` method for the parameters.
+
+        :param observer: a deferred that will be called with the dictionary
+                         mapping UIDs to flags after the operation has been
+                         done.
+        :type observer: deferred
+        """
+        # TODO we should prevent client from setting Recent flag
+        get_msg_fun = self._get_message_fun(uid)
+        leap_assert(not isinstance(flags, basestring),
+                    "flags cannot be a string")
+        flags = tuple(flags)
+
+        def set_flags_for_seq(sequence):
+            def return_result_dict(list_of_flags):
+                result = dict(zip(list(sequence), list_of_flags))
+                observer.callback(result)
+                return result
+
+            d_all_set = []
+            for msgid in sequence:
+                d = get_msg_fun(msgid)
+                d.addCallback(lambda msg: self.collection.update_flags(
+                    msg, flags, mode))
+                d_all_set.append(d)
+            got_flags_setted = defer.gatherResults(d_all_set)
+            got_flags_setted.addCallback(return_result_dict)
+            return got_flags_setted
+
+        d_seq = self._get_messages_range(messages_asked, uid)
+        d_seq.addCallback(set_flags_for_seq)
+        return d_seq
+
+    # ISearchableMailbox
+
+    def search(self, query, uid):
+        """
+        Search for messages that meet the given query criteria.
+
+        Warning: this is half-baked, and it might give problems since
+        it offers the SearchableInterface.
+        We'll be implementing it asap.
+
+        :param query: The search criteria
+        :type query: list
+
+        :param uid: If true, the IDs specified in the query are UIDs;
+                    otherwise they are message sequence IDs.
+        :type uid: bool
+
+        :return: A list of message sequence numbers or message UIDs which
+                 match the search criteria or a C{Deferred} whose callback
+                 will be invoked with such a list.
+        :rtype: C{list} or C{Deferred}
+        """
+        # TODO see if we can raise w/o interrupting flow
+        # :raise IllegalQueryError: Raised when query is not valid.
+        # example query:
+        #  ['UNDELETED', 'HEADER', 'Message-ID',
+        # XXX fixme, does not exist
+        #   '52D44F11.9060107@dev.bitmask.net']
+
+        # TODO hardcoding for now! -- we'll support generic queries later on
+        # but doing a quickfix for avoiding duplicate saves in the draft
+        # folder.  # See issue #4209
+
+        if len(query) > 2:
+            if query[1] == 'HEADER' and query[2].lower() == "message-id":
+                msgid = str(query[3]).strip()
+                logger.debug("Searching for %s" % (msgid,))
+
+                d = self.collection.get_uid_from_msgid(str(msgid))
+                d.addCallback(lambda result: [result])
+                return d
+
+        # nothing implemented for any other query
+        logger.warning("Cannot process query: %s" % (query,))
+        return []
+
+    # IMessageCopier
+
+    def copy(self, message):
+        """
+        Copy the given message object into this mailbox.
+
+        :param message: an IMessage implementor
+        :type message: LeapMessage
+        :return: a deferred that will be fired with the message
+                 uid when the copy succeed.
+        :rtype: Deferred
+        """
+        # if PROFILE_CMD:
+        #     do_profile_cmd(d, "COPY")
+
+        # A better place for this would be  the COPY/APPEND dispatcher
+        # in server.py, but qtreactor hangs when I do that, so this seems
+        # to work fine for now.
+        # d.addCallback(lambda r: self.reactor.callLater(0, self.notify_new))
+        # deferLater(self.reactor, 0, self._do_copy, message, d)
+        # return d
+
+        d = self.collection.copy_msg(message.message,
+                                     self.collection.mbox_uuid)
+        return d
+
+    # convenience fun
+
+    def deleteAllDocs(self):
+        """
+        Delete all docs in this mailbox
+        """
+        # FIXME not implemented
+        return self.collection.delete_all_docs()
+
+    def unset_recent_flags(self, uid_seq):
+        """
+        Unset Recent flag for a sequence of UIDs.
+        """
+        # FIXME not implemented
+        return self.collection.unset_recent_flags(uid_seq)
+
+    def __repr__(self):
+        """
+        Representation string for this mailbox.
+        """
+        return u"<IMAPMailbox: mbox '%s' (%s)>" % (
+            self.mbox_name, self.collection.count())
+
+
+_INBOX_RE = re.compile(INBOX_NAME, re.IGNORECASE)
+
+
+def normalize_mailbox(name):
+    """
+    Return a normalized representation of the mailbox ``name``.
+
+    This method ensures that an eventual initial 'inbox' part of a
+    mailbox name is made uppercase.
+
+    :param name: the name of the mailbox
+    :type name: unicode
+
+    :rtype: unicode
+    """
+    # XXX maybe it would make sense to normalize common folders too:
+    # trash, sent, drafts, etc...
+    if _INBOX_RE.match(name):
+        # ensure inital INBOX is uppercase
+        return INBOX_NAME + name[len(INBOX_NAME):]
+    return name
diff --git a/src/leap/bitmask/mail/imap/messages.py b/src/leap/bitmask/mail/imap/messages.py
new file mode 100644
index 0000000..d1c7b93
--- /dev/null
+++ b/src/leap/bitmask/mail/imap/messages.py
@@ -0,0 +1,254 @@
+# -*- coding: utf-8 -*-
+# imap/messages.py
+# Copyright (C) 2013-2015 LEAP
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+"""
+IMAPMessage implementation.
+"""
+import logging
+from twisted.mail import imap4
+from twisted.internet import defer
+from zope.interface import implements
+
+from leap.mail.utils import find_charset, CaseInsensitiveDict
+
+
+logger = logging.getLogger(__name__)
+
+# TODO
+# [ ] Add ref to incoming message during add_msg.
+
+
+class IMAPMessage(object):
+    """
+    The main representation of a message as seen by the IMAP Server.
+    This class implements the semantics specific to IMAP specification.
+    """
+    implements(imap4.IMessage)
+
+    def __init__(self, message, prefetch_body=True,
+                 store=None, d=defer.Deferred()):
+        """
+        Get an IMAPMessage. A mail.Message is needed, since many of the methods
+        are proxied to that object.
+
+
+        If you do not need to prefetch the body of the message, you can set
+        `prefetch_body` to False, but the current imap server implementation
+        expect the getBodyFile method to return inmediately.
+
+        When the prefetch_body option is used, a deferred is also expected as a
+        parameter, and this will fire when the deferred initialization has
+        taken place, with this instance of IMAPMessage as a parameter.
+
+        :param message: the abstract message
+        :type message: mail.Message
+        :param prefetch_body: Whether to prefetch the content doc for the body.
+        :type prefetch_body: bool
+        :param store: an instance of soledad, or anything that behaves like it.
+        :param d: an optional deferred, that will be fired with the instance of
+                  the IMAPMessage being initialized
+        :type d: defer.Deferred
+        """
+        # TODO substitute the use of the deferred initialization by a factory
+        # function, maybe.
+
+        self.message = message
+        self.__body_fd = None
+        self.store = store
+        if prefetch_body:
+            gotbody = self.__prefetch_body_file()
+            gotbody.addCallback(lambda _: d.callback(self))
+
+    # IMessage implementation
+
+    def getUID(self):
+        """
+        Retrieve the unique identifier associated with this Message.
+
+        :return: uid for this message
+        :rtype: int
+        """
+        return self.message.get_uid()
+
+    def getFlags(self):
+        """
+        Retrieve the flags associated with this Message.
+
+        :return: The flags, represented as strings
+        :rtype: tuple
+        """
+        return self.message.get_flags()
+
+    def getInternalDate(self):
+        """
+        Retrieve the date internally associated with this message
+
+        According to the spec, this is NOT the date and time in the
+        RFC-822 header, but rather a date and time that reflects when the
+        message was received.
+
+        * In SMTP, date and time of final delivery.
+        * In COPY, internal date/time of the source message.
+        * In APPEND, date/time specified.
+
+        :return: An RFC822-formatted date string.
+        :rtype: str
+        """
+        return self.message.get_internal_date()
+
+    #
+    # IMessagePart
+    #
+
+    def getBodyFile(self, store=None):
+        """
+        Retrieve a file object containing only the body of this message.
+
+        :return: file-like object opened for reading
+        :rtype: a deferred that will fire with a StringIO object.
+        """
+        if self.__body_fd is not None:
+            fd = self.__body_fd
+            fd.seek(0)
+            return fd
+
+        if store is None:
+            store = self.store
+        return self.message.get_body_file(store)
+
+    def getSize(self):
+        """
+        Return the total size, in octets, of this message.
+
+        :return: size of the message, in octets
+        :rtype: int
+        """
+        return self.message.get_size()
+
+    def getHeaders(self, negate, *names):
+        """
+        Retrieve a group of message headers.
+
+        :param names: The names of the headers to retrieve or omit.
+        :type names: tuple of str
+
+        :param negate: If True, indicates that the headers listed in names
+                       should be omitted from the return value, rather
+                       than included.
+        :type negate: bool
+
+        :return: A mapping of header field names to header field values
+        :rtype: dict
+        """
+        headers = self.message.get_headers()
+        return _format_headers(headers, negate, *names)
+
+    def isMultipart(self):
+        """
+        Return True if this message is multipart.
+        """
+        return self.message.is_multipart()
+
+    def getSubPart(self, part):
+        """
+        Retrieve a MIME submessage
+
+        :type part: C{int}
+        :param part: The number of the part to retrieve, indexed from 0.
+        :raise IndexError: Raised if the specified part does not exist.
+        :raise TypeError: Raised if this message is not multipart.
+        :rtype: Any object implementing C{IMessagePart}.
+        :return: The specified sub-part.
+        """
+        subpart = self.message.get_subpart(part + 1)
+        return IMAPMessagePart(subpart)
+
+    def __prefetch_body_file(self):
+        def assign_body_fd(fd):
+            self.__body_fd = fd
+            return fd
+        d = self.getBodyFile()
+        d.addCallback(assign_body_fd)
+        return d
+
+
+class IMAPMessagePart(object):
+
+    def __init__(self, message_part):
+        self.message_part = message_part
+
+    def getBodyFile(self, store=None):
+        return self.message_part.get_body_file()
+
+    def getSize(self):
+        return self.message_part.get_size()
+
+    def getHeaders(self, negate, *names):
+        headers = self.message_part.get_headers()
+        return _format_headers(headers, negate, *names)
+
+    def isMultipart(self):
+        return self.message_part.is_multipart()
+
+    def getSubPart(self, part):
+        subpart = self.message_part.get_subpart(part + 1)
+        return IMAPMessagePart(subpart)
+
+
+def _format_headers(headers, negate, *names):
+    # current server impl. expects content-type to be present, so if for
+    # some reason we do not have headers, we have to return at least that
+    # one
+    if not headers:
+        logger.warning("No headers found")
+        return {str('content-type'): str('')}
+
+    names = map(lambda s: s.upper(), names)
+
+    if negate:
+        def cond(key):
+            return key.upper() not in names
+    else:
+        def cond(key):
+            return key.upper() in names
+
+    if isinstance(headers, list):
+        headers = dict(headers)
+
+    # default to most likely standard
+    charset = find_charset(headers, "utf-8")
+
+    # We will return a copy of the headers dictionary that
+    # will allow case-insensitive lookups. In some parts of the twisted imap
+    # server code the keys are expected to be in lower case, and in this way
+    # we avoid having to convert them.
+
+    _headers = CaseInsensitiveDict()
+    for key, value in headers.items():
+        if not isinstance(key, str):
+            key = key.encode(charset, 'replace')
+        if not isinstance(value, str):
+            value = value.encode(charset, 'replace')
+
+        if value.endswith(";"):
+            # bastards
+            value = value[:-1]
+
+        # filter original dict by negate-condition
+        if cond(key):
+            _headers[key] = value
+
+    return _headers
diff --git a/src/leap/bitmask/mail/imap/server.py b/src/leap/bitmask/mail/imap/server.py
new file mode 100644
index 0000000..5a63af0
--- /dev/null
+++ b/src/leap/bitmask/mail/imap/server.py
@@ -0,0 +1,693 @@
+# -*- coding: utf-8 -*-
+# server.py
+# Copyright (C) 2014 LEAP
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+"""
+LEAP IMAP4 Server Implementation.
+"""
+import StringIO
+from copy import copy
+
+from twisted.internet.defer import maybeDeferred
+from twisted.mail import imap4
+from twisted.python import log
+
+# imports for LITERAL+ patch
+from twisted.internet import defer, interfaces
+from twisted.mail.imap4 import IllegalClientResponse
+from twisted.mail.imap4 import LiteralString, LiteralFile
+
+from leap.common.events import emit_async, catalog
+
+
+def _getContentType(msg):
+    """
+    Return a two-tuple of the main and subtype of the given message.
+    """
+    attrs = None
+    mm = msg.getHeaders(False, 'content-type').get('content-type', None)
+    if mm:
+        mm = ''.join(mm.splitlines())
+        mimetype = mm.split(';')
+        if mimetype:
+            type = mimetype[0].split('/', 1)
+            if len(type) == 1:
+                major = type[0]
+                minor = None
+            elif len(type) == 2:
+                major, minor = type
+            else:
+                major = minor = None
+            # XXX patched ---------------------------------------------
+            attrs = dict(x.strip().split('=', 1) for x in mimetype[1:])
+            # XXX patched ---------------------------------------------
+        else:
+            major = minor = None
+    else:
+        major = minor = None
+    return major, minor, attrs
+
+# Monkey-patch _getContentType to avoid bug that passes lower-case boundary in
+# BODYSTRUCTURE response.
+imap4._getContentType = _getContentType
+
+
+class LEAPIMAPServer(imap4.IMAP4Server):
+    """
+    An IMAP4 Server with a LEAP Storage Backend.
+    """
+
+    #############################################################
+    #
+    # Twisted imap4 patch to workaround bad mime rendering  in TB.
+    # See https://leap.se/code/issues/6773
+    # and https://bugzilla.mozilla.org/show_bug.cgi?id=149771
+    # Still unclear if this is a thunderbird bug.
+    # TODO send this patch upstream
+    #
+    #############################################################
+
+    def spew_body(self, part, id, msg, _w=None, _f=None):
+        if _w is None:
+            _w = self.transport.write
+        for p in part.part:
+            if msg.isMultipart():
+                msg = msg.getSubPart(p)
+            elif p > 0:
+                # Non-multipart messages have an implicit first part but no
+                # other parts - reject any request for any other part.
+                raise TypeError("Requested subpart of non-multipart message")
+
+        if part.header:
+            hdrs = msg.getHeaders(part.header.negate, *part.header.fields)
+            hdrs = imap4._formatHeaders(hdrs)
+            # PATCHED ##########################################
+            _w(str(part) + ' ' + imap4._literal(hdrs + "\r\n"))
+            # PATCHED ##########################################
+        elif part.text:
+            _w(str(part) + ' ')
+            _f()
+            return imap4.FileProducer(
+                msg.getBodyFile()
+            ).beginProducing(self.transport)
+        elif part.mime:
+            hdrs = imap4._formatHeaders(msg.getHeaders(True))
+
+            # PATCHED ##########################################
+            _w(str(part) + ' ' + imap4._literal(hdrs + "\r\n"))
+            # END PATCHED ######################################
+
+        elif part.empty:
+            _w(str(part) + ' ')
+            _f()
+            if part.part:
+                # PATCHED #############################################
+                # implement partial FETCH
+                # TODO implement boundary checks
+                # TODO see if there's a more efficient way, without
+                # copying the original content into a new buffer.
+                fd = msg.getBodyFile()
+                begin = getattr(part, "partialBegin", None)
+                _len = getattr(part, "partialLength", None)
+                if begin is not None and _len is not None:
+                    _fd = StringIO.StringIO()
+                    fd.seek(part.partialBegin)
+                    _fd.write(fd.read(part.partialLength))
+                    _fd.seek(0)
+                else:
+                    _fd = fd
+                return imap4.FileProducer(
+                    _fd
+                    # END PATCHED #########################3
+                ).beginProducing(self.transport)
+            else:
+                mf = imap4.IMessageFile(msg, None)
+                if mf is not None:
+                    return imap4.FileProducer(
+                        mf.open()).beginProducing(self.transport)
+                return imap4.MessageProducer(
+                    msg, None, self._scheduler).beginProducing(self.transport)
+
+        else:
+            _w('BODY ' +
+               imap4.collapseNestedLists([imap4.getBodyStructure(msg)]))
+
+    ##################################################################
+    #
+    # END Twisted imap4 patch to workaround bad mime rendering  in TB.
+    # #6773
+    #
+    ##################################################################
+
+    def lineReceived(self, line):
+        """
+        Attempt to parse a single line from the server.
+
+        :param line: the line from the server, without the line delimiter.
+        :type line: str
+        """
+        if "login" in line.lower():
+            # avoid to log the pass, even though we are using a dummy auth
+            # by now.
+            msg = line[:7] + " [...]"
+        else:
+            msg = copy(line)
+        log.msg('rcv (%s): %s' % (self.state, msg))
+        imap4.IMAP4Server.lineReceived(self, line)
+
+    def close_server_connection(self):
+        """
+        Send a BYE command so that the MUA at least knows that we're closing
+        the connection.
+        """
+        self.sendLine(
+            '* BYE LEAP IMAP Proxy is shutting down; '
+            'so long and thanks for all the fish')
+        self.transport.loseConnection()
+        if self.mbox:
+            self.mbox.removeListener(self)
+            self.mbox = None
+        self.state = 'unauth'
+
+    def do_FETCH(self, tag, messages, query, uid=0):
+        """
+        Overwritten fetch dispatcher to use the fast fetch_flags
+        method
+        """
+        if not query:
+            self.sendPositiveResponse(tag, 'FETCH complete')
+            return
+
+        cbFetch = self._IMAP4Server__cbFetch
+        ebFetch = self._IMAP4Server__ebFetch
+
+        if len(query) == 1 and str(query[0]) == "flags":
+            self._oldTimeout = self.setTimeout(None)
+            # no need to call iter, we get a generator
+            maybeDeferred(
+                self.mbox.fetch_flags, messages, uid=uid
+            ).addCallback(
+                cbFetch, tag, query, uid
+            ).addErrback(ebFetch, tag)
+
+        elif len(query) == 1 and str(query[0]) == "rfc822.header":
+            self._oldTimeout = self.setTimeout(None)
+            # no need to call iter, we get a generator
+            maybeDeferred(
+                self.mbox.fetch_headers, messages, uid=uid
+            ).addCallback(
+                cbFetch, tag, query, uid
+            ).addErrback(ebFetch, tag)
+        else:
+            self._oldTimeout = self.setTimeout(None)
+            # no need to call iter, we get a generator
+            maybeDeferred(
+                self.mbox.fetch, messages, uid=uid
+            ).addCallback(
+                cbFetch, tag, query, uid
+            ).addErrback(
+                ebFetch, tag)
+
+    select_FETCH = (do_FETCH, imap4.IMAP4Server.arg_seqset,
+                    imap4.IMAP4Server.arg_fetchatt)
+
+    def _cbSelectWork(self, mbox, cmdName, tag):
+        """
+        Callback for selectWork
+
+        * patched to avoid conformance errors due to incomplete UIDVALIDITY
+        line.
+        * patched to accept deferreds for messagecount and recent count
+        """
+        if mbox is None:
+            self.sendNegativeResponse(tag, 'No such mailbox')
+            return
+        if '\\noselect' in [s.lower() for s in mbox.getFlags()]:
+            self.sendNegativeResponse(tag, 'Mailbox cannot be selected')
+            return
+
+        d1 = defer.maybeDeferred(mbox.getMessageCount)
+        d2 = defer.maybeDeferred(mbox.getRecentCount)
+        return defer.gatherResults([d1, d2]).addCallback(
+            self.__cbSelectWork, mbox, cmdName, tag)
+
+    def __cbSelectWork(self, ((msg_count, recent_count)), mbox, cmdName, tag):
+        flags = mbox.getFlags()
+        self.sendUntaggedResponse('FLAGS (%s)' % ' '.join(flags))
+
+        # Patched -------------------------------------------------------
+        # accept deferreds for the count
+        self.sendUntaggedResponse(str(msg_count) + ' EXISTS')
+        self.sendUntaggedResponse(str(recent_count) + ' RECENT')
+        # ----------------------------------------------------------------
+
+        # Patched -------------------------------------------------------
+        # imaptest was complaining about the incomplete line, we're adding
+        # "UIDs valid" here.
+        self.sendPositiveResponse(
+            None, '[UIDVALIDITY %d] UIDs valid' % mbox.getUIDValidity())
+        # ----------------------------------------------------------------
+
+        s = mbox.isWriteable() and 'READ-WRITE' or 'READ-ONLY'
+        mbox.addListener(self)
+        self.sendPositiveResponse(tag, '[%s] %s successful' % (s, cmdName))
+        self.state = 'select'
+        self.mbox = mbox
+
+    def checkpoint(self):
+        """
+        Called when the client issues a CHECK command.
+
+        This should perform any checkpoint operations required by the server.
+        It may be a long running operation, but may not block.  If it returns
+        a deferred, the client will only be informed of success (or failure)
+        when the deferred's callback (or errback) is invoked.
+        """
+        # TODO implement a collection of ongoing deferreds?
+        return None
+
+    #############################################################
+    #
+    # Twisted imap4 patch to support LITERAL+ extension
+    # TODO send this patch upstream asap!
+    #
+    #############################################################
+
+    def capabilities(self):
+        cap = {'AUTH': self.challengers.keys()}
+        if self.ctx and self.canStartTLS:
+            t = self.transport
+            ti = interfaces.ISSLTransport
+            if not self.startedTLS and ti(t, None) is None:
+                cap['LOGINDISABLED'] = None
+                cap['STARTTLS'] = None
+        cap['NAMESPACE'] = None
+        cap['IDLE'] = None
+        # patched ############
+        cap['LITERAL+'] = None
+        ######################
+        return cap
+
+    def _stringLiteral(self, size, literal_plus=False):
+        if size > self._literalStringLimit:
+            raise IllegalClientResponse(
+                "Literal too long! I accept at most %d octets" %
+                (self._literalStringLimit,))
+        d = defer.Deferred()
+        self.parseState = 'pending'
+        self._pendingLiteral = LiteralString(size, d)
+        # Patched ###########################################################
+        if not literal_plus:
+            self.sendContinuationRequest('Ready for %d octets of text' % size)
+        #####################################################################
+        self.setRawMode()
+        return d
+
+    def _fileLiteral(self, size, literal_plus=False):
+        d = defer.Deferred()
+        self.parseState = 'pending'
+        self._pendingLiteral = LiteralFile(size, d)
+        if not literal_plus:
+            self.sendContinuationRequest('Ready for %d octets of data' % size)
+        self.setRawMode()
+        return d
+
+    def arg_astring(self, line):
+        """
+        Parse an astring from the line, return (arg, rest), possibly
+        via a deferred (to handle literals)
+        """
+        line = line.strip()
+        if not line:
+            raise IllegalClientResponse("Missing argument")
+        d = None
+        arg, rest = None, None
+        if line[0] == '"':
+            try:
+                spam, arg, rest = line.split('"', 2)
+                rest = rest[1:]  # Strip space
+            except ValueError:
+                raise IllegalClientResponse("Unmatched quotes")
+        elif line[0] == '{':
+            # literal
+            if line[-1] != '}':
+                raise IllegalClientResponse("Malformed literal")
+
+            # Patched ################
+            if line[-2] == "+":
+                literalPlus = True
+                size_end = -2
+            else:
+                literalPlus = False
+                size_end = -1
+
+            try:
+                size = int(line[1:size_end])
+            except ValueError:
+                raise IllegalClientResponse(
+                    "Bad literal size: " + line[1:size_end])
+            d = self._stringLiteral(size, literalPlus)
+            ##########################
+        else:
+            arg = line.split(' ', 1)
+            if len(arg) == 1:
+                arg.append('')
+            arg, rest = arg
+        return d or (arg, rest)
+
+    def arg_literal(self, line):
+        """
+        Parse a literal from the line
+        """
+        if not line:
+            raise IllegalClientResponse("Missing argument")
+
+        if line[0] != '{':
+            raise IllegalClientResponse("Missing literal")
+
+        if line[-1] != '}':
+            raise IllegalClientResponse("Malformed literal")
+
+        # Patched ##################
+        if line[-2] == "+":
+            literalPlus = True
+            size_end = -2
+        else:
+            literalPlus = False
+            size_end = -1
+
+        try:
+            size = int(line[1:size_end])
+        except ValueError:
+            raise IllegalClientResponse(
+                "Bad literal size: " + line[1:size_end])
+
+        return self._fileLiteral(size, literalPlus)
+        #############################
+
+    # --------------------------------- isSubscribed patch
+    # TODO -- send patch upstream.
+    # There is a bug in twisted implementation:
+    # in cbListWork, it's assumed that account.isSubscribed IS a callable,
+    # although in the interface documentation it's stated that it can be
+    # a deferred.
+
+    def _listWork(self, tag, ref, mbox, sub, cmdName):
+        mbox = self._parseMbox(mbox)
+        mailboxes = maybeDeferred(self.account.listMailboxes, ref, mbox)
+        mailboxes.addCallback(self._cbSubscribed)
+        mailboxes.addCallback(
+            self._cbListWork, tag, sub, cmdName,
+        ).addErrback(self._ebListWork, tag)
+
+    def _cbSubscribed(self, mailboxes):
+        subscribed = [
+            maybeDeferred(self.account.isSubscribed, name)
+            for (name, box) in mailboxes]
+
+        def get_mailboxes_and_subs(result):
+            subscribed = [i[0] for i, yes in zip(mailboxes, result) if yes]
+            return mailboxes, subscribed
+
+        d = defer.gatherResults(subscribed)
+        d.addCallback(get_mailboxes_and_subs)
+        return d
+
+    def _cbListWork(self, mailboxes_subscribed, tag, sub, cmdName):
+        mailboxes, subscribed = mailboxes_subscribed
+
+        for (name, box) in mailboxes:
+            if not sub or name in subscribed:
+                flags = box.getFlags()
+                delim = box.getHierarchicalDelimiter()
+                resp = (imap4.DontQuoteMe(cmdName),
+                        map(imap4.DontQuoteMe, flags),
+                        delim, name.encode('imap4-utf-7'))
+                self.sendUntaggedResponse(
+                    imap4.collapseNestedLists(resp))
+        self.sendPositiveResponse(tag, '%s completed' % (cmdName,))
+    # -------------------- end isSubscribed patch -----------
+
+    # TODO subscribe method had also to be changed to accomodate deferred
+    def do_SUBSCRIBE(self, tag, name):
+        name = self._parseMbox(name)
+
+        def _subscribeCb(_):
+            self.sendPositiveResponse(tag, 'Subscribed')
+
+        def _subscribeEb(failure):
+            m = failure.value
+            log.err()
+            if failure.check(imap4.MailboxException):
+                self.sendNegativeResponse(tag, str(m))
+            else:
+                self.sendBadResponse(
+                    tag,
+                    "Server error encountered while subscribing to mailbox")
+
+        d = self.account.subscribe(name)
+        d.addCallbacks(_subscribeCb, _subscribeEb)
+        return d
+
+    auth_SUBSCRIBE = (do_SUBSCRIBE, arg_astring)
+    select_SUBSCRIBE = auth_SUBSCRIBE
+
+    def do_UNSUBSCRIBE(self, tag, name):
+        # unsubscribe method had also to be changed to accomodate
+        # deferred
+        name = self._parseMbox(name)
+
+        def _unsubscribeCb(_):
+            self.sendPositiveResponse(tag, 'Unsubscribed')
+
+        def _unsubscribeEb(failure):
+            m = failure.value
+            log.err()
+            if failure.check(imap4.MailboxException):
+                self.sendNegativeResponse(tag, str(m))
+            else:
+                self.sendBadResponse(
+                    tag,
+                    "Server error encountered while unsubscribing "
+                    "from mailbox")
+
+        d = self.account.unsubscribe(name)
+        d.addCallbacks(_unsubscribeCb, _unsubscribeEb)
+        return d
+
+    auth_UNSUBSCRIBE = (do_UNSUBSCRIBE, arg_astring)
+    select_UNSUBSCRIBE = auth_UNSUBSCRIBE
+
+    def do_RENAME(self, tag, oldname, newname):
+        oldname, newname = [self._parseMbox(n) for n in oldname, newname]
+        if oldname.lower() == 'inbox' or newname.lower() == 'inbox':
+            self.sendNegativeResponse(
+                tag,
+                'You cannot rename the inbox, or '
+                'rename another mailbox to inbox.')
+            return
+
+        def _renameCb(_):
+            self.sendPositiveResponse(tag, 'Mailbox renamed')
+
+        def _renameEb(failure):
+            m = failure.value
+            if failure.check(TypeError):
+                self.sendBadResponse(tag, 'Invalid command syntax')
+            elif failure.check(imap4.MailboxException):
+                self.sendNegativeResponse(tag, str(m))
+            else:
+                log.err()
+                self.sendBadResponse(
+                    tag,
+                    "Server error encountered while "
+                    "renaming mailbox")
+
+        d = self.account.rename(oldname, newname)
+        d.addCallbacks(_renameCb, _renameEb)
+        return d
+
+    auth_RENAME = (do_RENAME, arg_astring, arg_astring)
+    select_RENAME = auth_RENAME
+
+    def do_CREATE(self, tag, name):
+        name = self._parseMbox(name)
+
+        def _createCb(result):
+            if result:
+                self.sendPositiveResponse(tag, 'Mailbox created')
+            else:
+                self.sendNegativeResponse(tag, 'Mailbox not created')
+
+        def _createEb(failure):
+            c = failure.value
+            if failure.check(imap4.MailboxException):
+                self.sendNegativeResponse(tag, str(c))
+            else:
+                log.err()
+                self.sendBadResponse(
+                    tag, "Server error encountered while creating mailbox")
+
+        d = self.account.create(name)
+        d.addCallbacks(_createCb, _createEb)
+        return d
+
+    auth_CREATE = (do_CREATE, arg_astring)
+    select_CREATE = auth_CREATE
+
+    def do_DELETE(self, tag, name):
+        name = self._parseMbox(name)
+        if name.lower() == 'inbox':
+            self.sendNegativeResponse(tag, 'You cannot delete the inbox')
+            return
+
+        def _deleteCb(result):
+            self.sendPositiveResponse(tag, 'Mailbox deleted')
+
+        def _deleteEb(failure):
+            m = failure.value
+            if failure.check(imap4.MailboxException):
+                self.sendNegativeResponse(tag, str(m))
+            else:
+                print "SERVER: other error"
+                log.err()
+                self.sendBadResponse(
+                    tag,
+                    "Server error encountered while deleting mailbox")
+
+        d = self.account.delete(name)
+        d.addCallbacks(_deleteCb, _deleteEb)
+        return d
+
+    auth_DELETE = (do_DELETE, arg_astring)
+    select_DELETE = auth_DELETE
+
+    # -----------------------------------------------------------------------
+    # Patched just to allow __cbAppend to receive a deferred from messageCount
+    # TODO format and send upstream.
+    def do_APPEND(self, tag, mailbox, flags, date, message):
+        mailbox = self._parseMbox(mailbox)
+        maybeDeferred(self.account.select, mailbox).addCallback(
+            self._cbAppendGotMailbox, tag, flags, date, message).addErrback(
+            self._ebAppendGotMailbox, tag)
+
+    def __ebAppend(self, failure, tag):
+        self.sendBadResponse(tag, 'APPEND failed: ' + str(failure.value))
+
+    def _cbAppendGotMailbox(self, mbox, tag, flags, date, message):
+        if not mbox:
+            self.sendNegativeResponse(tag, '[TRYCREATE] No such mailbox')
+            return
+
+        d = mbox.addMessage(message, flags, date)
+        d.addCallback(self.__cbAppend, tag, mbox)
+        d.addErrback(self.__ebAppend, tag)
+
+    def _ebAppendGotMailbox(self, failure, tag):
+        self.sendBadResponse(
+            tag, "Server error encountered while opening mailbox.")
+        log.err(failure)
+
+    def __cbAppend(self, result, tag, mbox):
+
+        # XXX patched ---------------------------------
+        def send_response(count):
+            self.sendUntaggedResponse('%d EXISTS' % count)
+            self.sendPositiveResponse(tag, 'APPEND complete')
+
+        d = mbox.getMessageCount()
+        d.addCallback(send_response)
+        return d
+        # XXX patched ---------------------------------
+    # -----------------------------------------------------------------------
+
+    auth_APPEND = (do_APPEND, arg_astring, imap4.IMAP4Server.opt_plist,
+                   imap4.IMAP4Server.opt_datetime, arg_literal)
+    select_APPEND = auth_APPEND
+
+    # Need to override the command table after patching
+    # arg_astring and arg_literal, except on the methods that we are already
+    # overriding.
+
+    # TODO --------------------------------------------
+    # Check if we really need to override these
+    # methods, or we can monkeypatch.
+    # do_DELETE = imap4.IMAP4Server.do_DELETE
+    # do_CREATE = imap4.IMAP4Server.do_CREATE
+    # do_RENAME = imap4.IMAP4Server.do_RENAME
+    # do_SUBSCRIBE = imap4.IMAP4Server.do_SUBSCRIBE
+    # do_UNSUBSCRIBE = imap4.IMAP4Server.do_UNSUBSCRIBE
+    # do_APPEND = imap4.IMAP4Server.do_APPEND
+    # -------------------------------------------------
+    do_LOGIN = imap4.IMAP4Server.do_LOGIN
+    do_STATUS = imap4.IMAP4Server.do_STATUS
+    do_COPY = imap4.IMAP4Server.do_COPY
+
+    _selectWork = imap4.IMAP4Server._selectWork
+
+    arg_plist = imap4.IMAP4Server.arg_plist
+    arg_seqset = imap4.IMAP4Server.arg_seqset
+    opt_plist = imap4.IMAP4Server.opt_plist
+    opt_datetime = imap4.IMAP4Server.opt_datetime
+
+    unauth_LOGIN = (do_LOGIN, arg_astring, arg_astring)
+
+    auth_SELECT = (_selectWork, arg_astring, 1, 'SELECT')
+    select_SELECT = auth_SELECT
+
+    auth_CREATE = (do_CREATE, arg_astring)
+    select_CREATE = auth_CREATE
+
+    auth_EXAMINE = (_selectWork, arg_astring, 0, 'EXAMINE')
+    select_EXAMINE = auth_EXAMINE
+
+    # TODO -----------------------------------------------
+    # re-add if we stop overriding DELETE
+    # auth_DELETE = (do_DELETE, arg_astring)
+    # select_DELETE = auth_DELETE
+    # auth_APPEND = (do_APPEND, arg_astring, opt_plist, opt_datetime,
+    #                arg_literal)
+    # select_APPEND = auth_APPEND
+
+    # ----------------------------------------------------
+
+    auth_RENAME = (do_RENAME, arg_astring, arg_astring)
+    select_RENAME = auth_RENAME
+
+    auth_SUBSCRIBE = (do_SUBSCRIBE, arg_astring)
+    select_SUBSCRIBE = auth_SUBSCRIBE
+
+    auth_UNSUBSCRIBE = (do_UNSUBSCRIBE, arg_astring)
+    select_UNSUBSCRIBE = auth_UNSUBSCRIBE
+
+    auth_LIST = (_listWork, arg_astring, arg_astring, 0, 'LIST')
+    select_LIST = auth_LIST
+
+    auth_LSUB = (_listWork, arg_astring, arg_astring, 1, 'LSUB')
+    select_LSUB = auth_LSUB
+
+    auth_STATUS = (do_STATUS, arg_astring, arg_plist)
+    select_STATUS = auth_STATUS
+
+    select_COPY = (do_COPY, arg_seqset, arg_astring)
+
+    #############################################################
+    # END of Twisted imap4 patch to support LITERAL+ extension
+    #############################################################
+
+    def authenticateLogin(self, user, passwd):
+        result = imap4.IMAP4Server.authenticateLogin(self, user, passwd)
+        emit_async(catalog.IMAP_CLIENT_LOGIN, str(user))
+        return result
diff --git a/src/leap/bitmask/mail/imap/service/README.rst b/src/leap/bitmask/mail/imap/service/README.rst
new file mode 100644
index 0000000..2cca9b3
--- /dev/null
+++ b/src/leap/bitmask/mail/imap/service/README.rst
@@ -0,0 +1,39 @@
+testing the service
+===================
+
+Run the twisted service::
+
+        twistd -n -y imap-server.tac
+
+And use offlineimap for tests::
+
+        offlineimap -c LEAPofflineimapRC-tests
+
+minimal offlineimap configuration
+---------------------------------
+
+[general]
+accounts = leap-local
+
+[Account leap-local]
+localrepository = LocalLeap
+remoterepository = RemoteLeap
+
+[Repository LocalLeap]
+type = Maildir
+localfolders = ~/LEAPMail/Mail
+
+[Repository RemoteLeap]
+type = IMAP
+ssl = no
+remotehost = localhost
+remoteport = 9930
+remoteuser = user
+remotepass = pass
+
+debugging
+---------
+
+Use ngrep to obtain logs of the sequences::
+
+        sudo ngrep -d lo -W byline port 9930
diff --git a/src/leap/bitmask/mail/imap/service/__init__.py b/src/leap/bitmask/mail/imap/service/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/src/leap/bitmask/mail/imap/service/__init__.py
diff --git a/src/leap/bitmask/mail/imap/service/imap-server.tac b/src/leap/bitmask/mail/imap/service/imap-server.tac
new file mode 100644
index 0000000..c4d602d
--- /dev/null
+++ b/src/leap/bitmask/mail/imap/service/imap-server.tac
@@ -0,0 +1,145 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+# imap-server.tac
+# Copyright (C) 2013,2014 LEAP
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+"""
+TAC file for initialization of the imap service using twistd.
+
+Use this for debugging and testing the imap server using a native reactor.
+
+For now, and for debugging/testing purposes, you need
+to pass a config file with the following structure:
+
+[leap_mail]
+userid = 'user@provider'
+uuid = 'deadbeefdeadabad'
+passwd = 'supersecret' # optional, will get prompted if not found.
+"""
+
+# TODO -- this .tac file should be deprecated in favor of bitmask.core.bitmaskd
+
+import ConfigParser
+import getpass
+import os
+import sys
+
+from leap.keymanager import KeyManager
+from leap.mail.imap.service import imap
+from leap.soledad.client import Soledad
+
+from twisted.application import service, internet
+
+
+# TODO should get this initializers from some authoritative mocked source
+# We might want to put them the soledad itself.
+
+def initialize_soledad(uuid, email, passwd,
+                       secrets, localdb,
+                       gnupg_home, tempdir):
+    """
+    Initializes soledad by hand
+
+    :param email: ID for the user
+    :param gnupg_home: path to home used by gnupg
+    :param tempdir: path to temporal dir
+    :rtype: Soledad instance
+    """
+    server_url = "http://provider"
+    cert_file = ""
+
+    soledad = Soledad(
+        uuid,
+        passwd,
+        secrets,
+        localdb,
+        server_url,
+        cert_file,
+        syncable=False)
+
+    return soledad
+
+######################################################################
+# Remember to set your config files, see module documentation above!
+######################################################################
+
+print "[+] Running LEAP IMAP Service"
+
+
+bmconf = os.environ.get("LEAP_MAIL_CONFIG", "")
+if not bmconf:
+    print ("[-] Please set LEAP_MAIL_CONFIG environment variable "
+           "pointing to your config.")
+    sys.exit(1)
+
+SECTION = "leap_mail"
+cp = ConfigParser.ConfigParser()
+cp.read(bmconf)
+
+userid = cp.get(SECTION, "userid")
+uuid = cp.get(SECTION, "uuid")
+passwd = unicode(cp.get(SECTION, "passwd"))
+
+# XXX get this right from the environment variable !!!
+port = 1984
+
+if not userid or not uuid:
+    print "[-] Config file missing userid or uuid field"
+    sys.exit(1)
+
+if not passwd:
+    passwd = unicode(getpass.getpass("Soledad passphrase: "))
+
+
+secrets = os.path.expanduser("~/.config/leap/soledad/%s.secret" % (uuid,))
+localdb = os.path.expanduser("~/.config/leap/soledad/%s.db" % (uuid,))
+
+# XXX Is this really used? Should point it to user var dirs defined in xdg?
+gnupg_home = "/tmp/"
+tempdir = "/tmp/"
+
+###################################################
+
+# Ad-hoc soledad/keymanager initialization.
+
+print "[~] user:", userid
+soledad = initialize_soledad(uuid, userid, passwd, secrets,
+                             localdb, gnupg_home, tempdir, userid=userid)
+km_args = (userid, "https://localhost", soledad)
+km_kwargs = {
+    "token": "",
+    "ca_cert_path": "",
+    "api_uri":  "",
+    "api_version": "",
+    "uid": uuid,
+    "gpgbinary": "/usr/bin/gpg"
+}
+keymanager = KeyManager(*km_args, **km_kwargs)
+
+##################################################
+
+# Ok, let's expose the application object for the twistd application
+# framework to pick up from here...
+
+
+def getIMAPService():
+    soledad_sessions = {userid: soledad}
+    factory = imap.LeapIMAPFactory(soledad_sessions)
+    return internet.TCPServer(port, factory, interface="localhost")
+
+
+application = service.Application("LEAP IMAP Application")
+service = getIMAPService()
+service.setServiceParent(application)
diff --git a/src/leap/bitmask/mail/imap/service/imap.py b/src/leap/bitmask/mail/imap/service/imap.py
new file mode 100644
index 0000000..4663854
--- /dev/null
+++ b/src/leap/bitmask/mail/imap/service/imap.py
@@ -0,0 +1,208 @@
+# -*- coding: utf-8 -*-
+# imap.py
+# Copyright (C) 2013-2015 LEAP
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+"""
+IMAP Service Initialization.
+"""
+import logging
+import os
+
+from collections import defaultdict
+
+from twisted.cred.portal import Portal, IRealm
+from twisted.mail.imap4 import IAccount
+from twisted.internet import defer
+from twisted.internet import reactor
+from twisted.internet.error import CannotListenError
+from twisted.internet.protocol import ServerFactory
+from twisted.python import log
+from zope.interface import implementer
+
+from leap.common.events import emit_async, catalog
+from leap.mail.cred import LocalSoledadTokenChecker
+from leap.mail.imap.account import IMAPAccount
+from leap.mail.imap.server import LEAPIMAPServer
+
+# TODO: leave only an implementor of IService in here
+
+logger = logging.getLogger(__name__)
+
+DO_MANHOLE = os.environ.get("LEAP_MAIL_MANHOLE", None)
+if DO_MANHOLE:
+    from leap.mail.imap.service import manhole
+
+# The default port in which imap service will run
+
+IMAP_PORT = 1984
+
+#
+# Credentials Handling
+#
+
+
+@implementer(IRealm)
+class LocalSoledadIMAPRealm(object):
+
+    _encoding = 'utf-8'
+
+    def __init__(self, soledad_sessions):
+        """
+        :param soledad_sessions: a dict-like object, containing instances
+                                 of a Store (soledad instances), indexed by
+                                 userid.
+        """
+        self._soledad_sessions = soledad_sessions
+
+    def requestAvatar(self, avatarId, mind, *interfaces):
+        if isinstance(avatarId, str):
+            avatarId = avatarId.decode(self._encoding)
+
+        def gotSoledad(soledad):
+            for iface in interfaces:
+                if iface is IAccount:
+                    avatar = IMAPAccount(soledad, avatarId)
+                    return (IAccount, avatar,
+                            getattr(avatar, 'logout', lambda: None))
+            raise NotImplementedError(self, interfaces)
+
+        return self.lookupSoledadInstance(avatarId).addCallback(gotSoledad)
+
+    def lookupSoledadInstance(self, userid):
+        soledad = self._soledad_sessions[userid]
+        # XXX this should return the instance after whenReady callback
+        return defer.succeed(soledad)
+
+
+class IMAPTokenChecker(LocalSoledadTokenChecker):
+    """A credentials checker that will lookup a token for the IMAP service.
+    For now it will be using the same identifier than SMTPTokenChecker"""
+
+    service = 'mail_auth'
+
+
+class LocalSoledadIMAPServer(LEAPIMAPServer):
+
+    """
+    An IMAP Server that authenticates against a LocalSoledad store.
+    """
+
+    def __init__(self, soledad_sessions, *args, **kw):
+
+        LEAPIMAPServer.__init__(self, *args, **kw)
+
+        realm = LocalSoledadIMAPRealm(soledad_sessions)
+        portal = Portal(realm)
+        checker = IMAPTokenChecker(soledad_sessions)
+        self.checker = checker
+        self.portal = portal
+        portal.registerChecker(checker)
+
+
+class LeapIMAPFactory(ServerFactory):
+
+    """
+    Factory for a IMAP4 server with soledad remote sync and gpg-decryption
+    capabilities.
+    """
+
+    protocol = LocalSoledadIMAPServer
+
+    def __init__(self, soledad_sessions):
+        """
+        Initializes the server factory.
+
+        :param soledad_sessions: a dict-like object, containing instances
+                                 of a Store (soledad instances), indexed by
+                                 userid.
+        """
+        self._soledad_sessions = soledad_sessions
+        self._connections = defaultdict()
+
+    def buildProtocol(self, addr):
+        """
+        Return a protocol suitable for the job.
+
+        :param addr: remote ip address
+        :type addr:  str
+        """
+        # TODO should reject anything from addr != localhost,
+        # just in case.
+        log.msg("Building protocol for connection %s" % addr)
+        imapProtocol = self.protocol(self._soledad_sessions)
+        self._connections[addr] = imapProtocol
+        return imapProtocol
+
+    def stopFactory(self):
+        # say bye!
+        for conn, proto in self._connections.items():
+            log.msg("Closing connections for %s" % conn)
+            proto.close_server_connection()
+
+    def doStop(self):
+        """
+        Stops imap service (fetcher, factory and port).
+        """
+        return ServerFactory.doStop(self)
+
+
+def run_service(soledad_sessions, port=IMAP_PORT):
+    """
+    Main entry point to run the service from the client.
+
+    :param soledad_sessions: a dict-like object, containing instances
+                             of a Store (soledad instances), indexed by userid.
+
+    :returns: the port as returned by the reactor when starts listening, and
+              the factory for the protocol.
+    :rtype: tuple
+    """
+    factory = LeapIMAPFactory(soledad_sessions)
+
+    try:
+        interface = "localhost"
+        # don't bind just to localhost if we are running on docker since we
+        # won't be able to access imap from the host
+        if os.environ.get("LEAP_DOCKERIZED"):
+            interface = ''
+
+        # TODO use Endpoints !!!
+        tport = reactor.listenTCP(port, factory,
+                                  interface=interface)
+    except CannotListenError:
+        logger.error("IMAP Service failed to start: "
+                     "cannot listen in port %s" % (port,))
+    except Exception as exc:
+        logger.error("Error launching IMAP service: %r" % (exc,))
+    else:
+        # all good.
+
+        if DO_MANHOLE:
+            # TODO get pass from env var.too.
+            manhole_factory = manhole.getManholeFactory(
+                {'f': factory,
+                 'gm': factory.theAccount.getMailbox},
+                "boss", "leap")
+            # TODO  use Endpoints !!!
+            reactor.listenTCP(manhole.MANHOLE_PORT, manhole_factory,
+                              interface="127.0.0.1")
+        logger.debug("IMAP4 Server is RUNNING in port  %s" % (port,))
+        emit_async(catalog.IMAP_SERVICE_STARTED, str(port))
+
+        # FIXME -- change service signature
+        return tport, factory
+
+    # not ok, signal error.
+    emit_async(catalog.IMAP_SERVICE_FAILED_TO_START, str(port))
diff --git a/src/leap/bitmask/mail/imap/service/manhole.py b/src/leap/bitmask/mail/imap/service/manhole.py
new file mode 100644
index 0000000..c83ae89
--- /dev/null
+++ b/src/leap/bitmask/mail/imap/service/manhole.py
@@ -0,0 +1,130 @@
+# -*- coding: utf-8 -*-
+# manhole.py
+# Copyright (C) 2014 LEAP
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+"""
+Utilities for enabling the manhole administrative interface into the
+LEAP Mail application.
+"""
+MANHOLE_PORT = 2222
+
+
+def getManholeFactory(namespace, user, secret):
+    """
+    Get an administrative manhole into the application.
+
+    :param namespace: the namespace to show in the manhole
+    :type namespace: dict
+    :param user: the user to authenticate into the administrative shell.
+    :type user: str
+    :param secret: pass for this manhole
+    :type secret: str
+    """
+    import string
+
+    from twisted.cred.portal import Portal
+    from twisted.conch import manhole, manhole_ssh
+    from twisted.conch.insults import insults
+    from twisted.cred.checkers import (
+        InMemoryUsernamePasswordDatabaseDontUse as MemoryDB)
+
+    from rlcompleter import Completer
+
+    class EnhancedColoredManhole(manhole.ColoredManhole):
+        """
+        A Manhole with some primitive autocomplete support.
+        """
+        # TODO use introspection to make life easier
+
+        def find_common(self, l):
+            """
+            find common parts in thelist items
+            ex: 'ab' for ['abcd','abce','abf']
+            requires an ordered list
+            """
+            if len(l) == 1:
+                return l[0]
+
+            init = l[0]
+            for item in l[1:]:
+                for i, (x, y) in enumerate(zip(init, item)):
+                    if x != y:
+                        init = "".join(init[:i])
+                        break
+
+                if not init:
+                    return None
+            return init
+
+        def handle_TAB(self):
+            """
+            Trap the TAB keystroke.
+            """
+            necessarypart = "".join(self.lineBuffer).split(' ')[-1]
+            completer = Completer(globals())
+            if completer.complete(necessarypart, 0):
+                matches = list(set(completer.matches))  # has multiples
+
+                if len(matches) == 1:
+                    length = len(necessarypart)
+                    self.lineBuffer = self.lineBuffer[:-length]
+                    self.lineBuffer.extend(matches[0])
+                    self.lineBufferIndex = len(self.lineBuffer)
+                else:
+                    matches.sort()
+                    commons = self.find_common(matches)
+                    if commons:
+                        length = len(necessarypart)
+                        self.lineBuffer = self.lineBuffer[:-length]
+                        self.lineBuffer.extend(commons)
+                        self.lineBufferIndex = len(self.lineBuffer)
+
+                    self.terminal.nextLine()
+                    while matches:
+                        matches, part = matches[4:], matches[:4]
+                        for item in part:
+                            self.terminal.write('%s' % item.ljust(30))
+                            self.terminal.write('\n')
+                            self.terminal.nextLine()
+
+                self.terminal.eraseLine()
+                self.terminal.cursorBackward(self.lineBufferIndex + 5)
+                self.terminal.write("%s %s" % (
+                    self.ps[self.pn], "".join(self.lineBuffer)))
+
+        def keystrokeReceived(self, keyID, modifier):
+            """
+            Act upon any keystroke received.
+            """
+            self.keyHandlers.update({'\b': self.handle_BACKSPACE})
+            m = self.keyHandlers.get(keyID)
+            if m is not None:
+                m()
+            elif keyID in string.printable:
+                self.characterReceived(keyID, False)
+
+    sshRealm = manhole_ssh.TerminalRealm()
+
+    def chainedProtocolFactory():
+        return insults.ServerProtocol(EnhancedColoredManhole, namespace)
+
+    sshRealm = manhole_ssh.TerminalRealm()
+    sshRealm.chainedProtocolFactory = chainedProtocolFactory
+
+    portal = Portal(
+        sshRealm, [MemoryDB(**{user: secret})])
+
+    f = manhole_ssh.ConchFactory(portal)
+    return f
diff --git a/src/leap/bitmask/mail/imap/service/notes.txt b/src/leap/bitmask/mail/imap/service/notes.txt
new file mode 100644
index 0000000..623e122
--- /dev/null
+++ b/src/leap/bitmask/mail/imap/service/notes.txt
@@ -0,0 +1,81 @@
+T 127.0.0.1:9930 -> 127.0.0.1:42866 [AP]
+* OK [CAPABILITY IMAP4rev1 IDLE NAMESPACE] Twisted IMAP4rev1 Ready.
+
+##
+T 127.0.0.1:42866 -> 127.0.0.1:9930 [AP]
+NCLJ1 CAPABILITY.
+
+##
+T 127.0.0.1:9930 -> 127.0.0.1:42866 [AP]
+* CAPABILITY IMAP4rev1 IDLE NAMESPACE.
+NCLJ1 OK CAPABILITY completed.
+
+##
+T 127.0.0.1:42866 -> 127.0.0.1:9930 [AP]
+NCLJ2 LOGIN user "pass".
+
+#
+T 127.0.0.1:9930 -> 127.0.0.1:42866 [AP]
+NCLJ2 OK LOGIN succeeded.
+
+##
+T 127.0.0.1:42866 -> 127.0.0.1:9930 [AP]
+NCLJ3 CAPABILITY.
+
+#
+T 127.0.0.1:9930 -> 127.0.0.1:42866 [AP]
+* CAPABILITY IMAP4rev1 IDLE NAMESPACE.
+NCLJ3 OK CAPABILITY completed.
+
+#
+T 127.0.0.1:42866 -> 127.0.0.1:9930 [AP]
+NCLJ4 LIST "" "".
+
+##
+T 127.0.0.1:9930 -> 127.0.0.1:42866 [AP]
+* LIST (\Seen \Answered \Flagged \Deleted \Draft \Recent List) "/" "INBOX".
+NCLJ4 OK LIST completed.
+
+#
+T 127.0.0.1:42866 -> 127.0.0.1:9930 [AP]
+NCLJ5 LIST "" "*".
+
+##
+T 127.0.0.1:9930 -> 127.0.0.1:42866 [AP]
+* LIST (\Seen \Answered \Flagged \Deleted \Draft \Recent List) "/" "INBOX".
+NCLJ5 OK LIST completed.
+
+#
+T 127.0.0.1:42866 -> 127.0.0.1:9930 [AP]
+NCLJ6 SELECT INBOX.
+
+#
+T 127.0.0.1:9930 -> 127.0.0.1:42866 [AP]
+* 0 EXISTS.
+* 3 RECENT.
+* FLAGS (\Seen \Answered \Flagged \Deleted \Draft \Recent List).
+* OK [UIDVALIDITY 42].
+NCLJ6 OK [READ-WRITE] SELECT successful.
+
+#
+T 127.0.0.1:42866 -> 127.0.0.1:9930 [AP]
+NCLJ7 EXAMINE INBOX.
+
+##
+T 127.0.0.1:9930 -> 127.0.0.1:42866 [AP]
+* 0 EXISTS.
+* 3 RECENT.
+* FLAGS (\Seen \Answered \Flagged \Deleted \Draft \Recent List).
+* OK [UIDVALIDITY 42].
+NCLJ7 OK [READ-ONLY] EXAMINE successful.
+
+#
+T 127.0.0.1:42866 -> 127.0.0.1:9930 [AP]
+NCLJ8 LOGOUT.
+
+##
+T 127.0.0.1:9930 -> 127.0.0.1:42866 [AP]
+* BYE Nice talking to you.
+NCLJ8 OK LOGOUT successful.
+
+
diff --git a/src/leap/bitmask/mail/imap/service/rfc822.message b/src/leap/bitmask/mail/imap/service/rfc822.message
new file mode 100644
index 0000000..ee97ab9
--- /dev/null
+++ b/src/leap/bitmask/mail/imap/service/rfc822.message
@@ -0,0 +1,86 @@
+Return-Path: <twisted-commits-admin@twistedmatrix.com>
+Delivered-To: exarkun@meson.dyndns.org
+Received: from localhost [127.0.0.1]
+	by localhost with POP3 (fetchmail-6.2.1)
+	for exarkun@localhost (single-drop); Thu, 20 Mar 2003 14:50:20 -0500 (EST)
+Received: from pyramid.twistedmatrix.com (adsl-64-123-27-105.dsl.austtx.swbell.net [64.123.27.105])
+	by intarweb.us (Postfix) with ESMTP id 4A4A513EA4
+	for <exarkun@meson.dyndns.org>; Thu, 20 Mar 2003 14:49:27 -0500 (EST)
+Received: from localhost ([127.0.0.1] helo=pyramid.twistedmatrix.com)
+	by pyramid.twistedmatrix.com with esmtp (Exim 3.35 #1 (Debian))
+	id 18w648-0007Vl-00; Thu, 20 Mar 2003 13:51:04 -0600
+Received: from acapnotic by pyramid.twistedmatrix.com with local (Exim 3.35 #1 (Debian))
+	id 18w63j-0007VK-00
+	for <twisted-commits@twistedmatrix.com>; Thu, 20 Mar 2003 13:50:39 -0600
+To: twisted-commits@twistedmatrix.com
+From: etrepum CVS <etrepum@twistedmatrix.com>
+Reply-To: twisted-python@twistedmatrix.com
+X-Mailer: CVSToys
+Message-Id: <E18w63j-0007VK-00@pyramid.twistedmatrix.com>
+Subject: [Twisted-commits] rebuild now works on python versions from 2.2.0 and up.
+Sender: twisted-commits-admin@twistedmatrix.com
+Errors-To: twisted-commits-admin@twistedmatrix.com
+X-BeenThere: twisted-commits@twistedmatrix.com
+X-Mailman-Version: 2.0.11
+Precedence: bulk
+List-Help: <mailto:twisted-commits-request@twistedmatrix.com?subject=help>
+List-Post: <mailto:twisted-commits@twistedmatrix.com>
+List-Subscribe: <http://twistedmatrix.com/cgi-bin/mailman/listinfo/twisted-commits>,
+	<mailto:twisted-commits-request@twistedmatrix.com?subject=subscribe>
+List-Id: <twisted-commits.twistedmatrix.com>
+List-Unsubscribe: <http://twistedmatrix.com/cgi-bin/mailman/listinfo/twisted-commits>,
+	<mailto:twisted-commits-request@twistedmatrix.com?subject=unsubscribe>
+List-Archive: <http://twistedmatrix.com/pipermail/twisted-commits/>
+Date: Thu, 20 Mar 2003 13:50:39 -0600
+
+Modified files:
+Twisted/twisted/python/rebuild.py 1.19 1.20
+
+Log message:
+rebuild now works on python versions from 2.2.0 and up.
+
+
+ViewCVS links:
+http://twistedmatrix.com/users/jh.twistd/viewcvs/cgi/viewcvs.cgi/twisted/python/rebuild.py.diff?r1=text&tr1=1.19&r2=text&tr2=1.20&cvsroot=Twisted
+
+Index: Twisted/twisted/python/rebuild.py
+diff -u Twisted/twisted/python/rebuild.py:1.19 Twisted/twisted/python/rebuild.py:1.20
+--- Twisted/twisted/python/rebuild.py:1.19	Fri Jan 17 13:50:49 2003
++++ Twisted/twisted/python/rebuild.py	Thu Mar 20 11:50:08 2003
+@@ -206,15 +206,27 @@
+             clazz.__dict__.clear()
+             clazz.__getattr__ = __getattr__
+             clazz.__module__ = module.__name__
++    if newclasses:
++        import gc
++        if (2, 2, 0) <= sys.version_info[:3] < (2, 2, 2):
++            hasBrokenRebuild = 1
++            gc_objects = gc.get_objects()
++        else:
++            hasBrokenRebuild = 0
+     for nclass in newclasses:
+         ga = getattr(module, nclass.__name__)
+         if ga is nclass:
+             log.msg("WARNING: new-class %s not replaced by reload!" % reflect.qual(nclass))
+         else:
+-            import gc
+-            for r in gc.get_referrers(nclass):
+-                if isinstance(r, nclass):
++            if hasBrokenRebuild:
++                for r in gc_objects:
++                    if not getattr(r, '__class__', None) is nclass:
++                        continue
+                     r.__class__ = ga
++            else:
++                for r in gc.get_referrers(nclass):
++                    if getattr(r, '__class__', None) is nclass:
++                        r.__class__ = ga
+     if doLog:
+         log.msg('')
+         log.msg('  (fixing   %s): ' % str(module.__name__))
+
+
+_______________________________________________
+Twisted-commits mailing list
+Twisted-commits@twistedmatrix.com
+http://twistedmatrix.com/cgi-bin/mailman/listinfo/twisted-commits
diff --git a/src/leap/bitmask/mail/imap/tests/.gitignore b/src/leap/bitmask/mail/imap/tests/.gitignore
new file mode 100644
index 0000000..60baa9c
--- /dev/null
+++ b/src/leap/bitmask/mail/imap/tests/.gitignore
@@ -0,0 +1 @@
+data/*
diff --git a/src/leap/bitmask/mail/imap/tests/getmail b/src/leap/bitmask/mail/imap/tests/getmail
new file mode 100755
index 0000000..dd3fa0b
--- /dev/null
+++ b/src/leap/bitmask/mail/imap/tests/getmail
@@ -0,0 +1,344 @@
+#!/usr/bin/env python
+
+# Copyright (c) Twisted Matrix Laboratories.
+# See LICENSE in twisted for details.
+
+# Modifications by LEAP Developers 2014 to fit
+# Bitmask configuration settings.
+"""
+Simple IMAP4 client which displays the subjects of all messages in a
+particular mailbox.
+"""
+
+import os
+import sys
+
+from twisted.internet import protocol
+from twisted.internet import ssl
+from twisted.internet import defer
+from twisted.internet import stdio
+from twisted.mail import imap4
+from twisted.protocols import basic
+from twisted.python import log
+
+# Global options stored here from main
+_opts = {}
+
+
+class TrivialPrompter(basic.LineReceiver):
+    from os import linesep as delimiter
+
+    promptDeferred = None
+
+    def prompt(self, msg):
+        assert self.promptDeferred is None
+        self.display(msg)
+        self.promptDeferred = defer.Deferred()
+        return self.promptDeferred
+
+    def display(self, msg):
+        self.transport.write(msg)
+
+    def lineReceived(self, line):
+        if self.promptDeferred is None:
+            return
+        d, self.promptDeferred = self.promptDeferred, None
+        d.callback(line)
+
+
+class SimpleIMAP4Client(imap4.IMAP4Client):
+    """
+    A client with callbacks for greeting messages from an IMAP server.
+    """
+    greetDeferred = None
+
+    def serverGreeting(self, caps):
+        self.serverCapabilities = caps
+        if self.greetDeferred is not None:
+            d, self.greetDeferred = self.greetDeferred, None
+            d.callback(self)
+
+
+class SimpleIMAP4ClientFactory(protocol.ClientFactory):
+    usedUp = False
+
+    protocol = SimpleIMAP4Client
+
+    def __init__(self, username, onConn):
+        self.ctx = ssl.ClientContextFactory()
+
+        self.username = username
+        self.onConn = onConn
+
+    def buildProtocol(self, addr):
+        """
+        Initiate the protocol instance. Since we are building a simple IMAP
+        client, we don't bother checking what capabilities the server has. We
+        just add all the authenticators twisted.mail has.
+        """
+        assert not self.usedUp
+        self.usedUp = True
+
+        p = self.protocol(self.ctx)
+        p.factory = self
+        p.greetDeferred = self.onConn
+
+        p.registerAuthenticator(imap4.PLAINAuthenticator(self.username))
+        p.registerAuthenticator(imap4.LOGINAuthenticator(self.username))
+        p.registerAuthenticator(
+            imap4.CramMD5ClientAuthenticator(self.username))
+
+        return p
+
+    def clientConnectionFailed(self, connector, reason):
+        d, self.onConn = self.onConn, None
+        d.errback(reason)
+
+
+def cbServerGreeting(proto, username, password):
+    """
+    Initial callback - invoked after the server sends us its greet message.
+    """
+    # Hook up stdio
+    tp = TrivialPrompter()
+    stdio.StandardIO(tp)
+
+    # And make it easily accessible
+    proto.prompt = tp.prompt
+    proto.display = tp.display
+
+    # Try to authenticate securely
+    return proto.authenticate(
+        password).addCallback(
+        cbAuthentication,
+        proto).addErrback(
+        ebAuthentication, proto, username, password
+    )
+
+
+def ebConnection(reason):
+    """
+    Fallback error-handler. If anything goes wrong, log it and quit.
+    """
+    log.startLogging(sys.stdout)
+    log.err(reason)
+    return reason
+
+
+def cbAuthentication(result, proto):
+    """
+    Callback after authentication has succeeded.
+
+    Lists a bunch of mailboxes.
+    """
+    return proto.list("", "*"
+        ).addCallback(cbMailboxList, proto
+        )
+
+
+def ebAuthentication(failure, proto, username, password):
+    """
+    Errback invoked when authentication fails.
+
+    If it failed because no SASL mechanisms match, offer the user the choice
+    of logging in insecurely.
+
+    If you are trying to connect to your Gmail account, you will be here!
+    """
+    failure.trap(imap4.NoSupportedAuthentication)
+    return InsecureLogin(proto, username, password)
+
+
+def InsecureLogin(proto, username, password):
+    """
+    insecure-login.
+    """
+    return proto.login(username, password
+        ).addCallback(cbAuthentication, proto
+        )
+
+
+def cbMailboxList(result, proto):
+    """
+    Callback invoked when a list of mailboxes has been retrieved.
+    If we have a selected mailbox in the global options, we directly pick it.
+    Otherwise, we offer a prompt to let user choose one.
+    """
+    all_mbox_list = [e[2] for e in result]
+    s = '\n'.join(['%d. %s' % (n + 1, m) for (n, m) in zip(range(len(all_mbox_list)), all_mbox_list)])
+    if not s:
+        return defer.fail(Exception("No mailboxes exist on server!"))
+
+    selected_mailbox = _opts.get('mailbox')
+
+    if not selected_mailbox:
+        return proto.prompt(s + "\nWhich mailbox? [1] "
+            ).addCallback(cbPickMailbox, proto, all_mbox_list
+            )
+    else:
+        mboxes_lower = map(lambda s: s.lower(), all_mbox_list)
+        index = mboxes_lower.index(selected_mailbox.lower()) + 1
+        return cbPickMailbox(index, proto, all_mbox_list)
+
+
+def cbPickMailbox(result, proto, mboxes):
+    """
+    When the user selects a mailbox, "examine" it.
+    """
+    mbox = mboxes[int(result or '1') - 1]
+    return proto.examine(mbox
+        ).addCallback(cbExamineMbox, proto
+        )
+
+
+def cbExamineMbox(result, proto):
+    """
+    Callback invoked when examine command completes.
+
+    Retrieve the subject header of every message in the mailbox.
+    """
+    return proto.fetchSpecific('1:*',
+                               headerType='HEADER.FIELDS',
+                               headerArgs=['SUBJECT'],
+        ).addCallback(cbFetch, proto,
+        )
+
+
+def cbFetch(result, proto):
+    """
+    Display a listing of the messages in the mailbox, based on the collected
+    headers.
+    """
+    selected_subject = _opts.get('subject', None)
+    index = None
+
+    if result:
+        keys = result.keys()
+        keys.sort()
+
+        if selected_subject:
+            for k in keys:
+                # remove 'Subject: ' preffix plus eol
+                subject = result[k][0][2][9:].rstrip('\r\n')
+                if subject.lower() == selected_subject.lower():
+                    index = k
+                    break
+        else:
+            for k in keys:
+                proto.display('%s %s' % (k, result[k][0][2]))
+    else:
+        print "Hey, an empty mailbox!"
+
+    if not index:
+        return proto.prompt("\nWhich message? [1] (Q quits) "
+                            ).addCallback(cbPickMessage, proto)
+    else:
+        return cbPickMessage(index, proto)
+
+
+def cbPickMessage(result, proto):
+    """
+    Pick a message.
+    """
+    if result == "Q":
+        print "Bye!"
+        return proto.logout()
+
+    return proto.fetchSpecific(
+        '%s' % result,
+        headerType='',
+        headerArgs=['BODY.PEEK[]'],
+        ).addCallback(cbShowmessage, proto)
+
+
+def cbShowmessage(result, proto):
+    """
+    Display message.
+    """
+    if result:
+        keys = result.keys()
+        keys.sort()
+        for k in keys:
+            proto.display('%s %s' % (k, result[k][0][2]))
+    else:
+        print "Hey, an empty message!"
+
+    return proto.logout()
+
+
+def cbClose(result):
+    """
+    Close the connection when we finish everything.
+    """
+    from twisted.internet import reactor
+    reactor.stop()
+
+
+def main():
+    import argparse
+    import ConfigParser
+    import sys
+    from twisted.internet import reactor
+
+    description = (
+        'Get messages from a LEAP IMAP Proxy.\nThis is a '
+        'debugging tool, do not use this to retrieve any sensitive '
+        'information, or we will send ninjas to your house!')
+    epilog = (
+        'In case you want to automate the usage of this utility '
+        'you can place your credentials in a file pointed by '
+        'BITMASK_CREDENTIALS. You need to have a [Credentials] '
+        'section, with username=<user@provider> and password fields') 
+
+    parser = argparse.ArgumentParser(description=description, epilog=epilog)
+    credentials = os.environ.get('BITMASK_CREDENTIALS')
+
+    if credentials:
+        try:
+            config = ConfigParser.ConfigParser()
+            config.read(credentials)
+            username = config.get('Credentials', 'username')
+            password = config.get('Credentials', 'password')
+        except Exception, e:
+            print "Error reading credentials file: {0}".format(e)
+            sys.exit()
+    else:
+        parser.add_argument('username', type=str)
+        parser.add_argument('password', type=str)
+
+    parser.add_argument('--mailbox', dest='mailbox', default=None,
+        help='Which mailbox to retrieve. Empty for interactive prompt.')
+    parser.add_argument('--subject', dest='subject', default=None,
+        help='A subject for retrieve a mail that matches. Empty for interactive prompt.')
+
+    ns = parser.parse_args()
+
+    if not credentials:
+        username = ns.username
+        password = ns.password
+
+    _opts['mailbox'] = ns.mailbox
+    _opts['subject'] = ns.subject
+
+    hostname = "localhost"
+    port = "1984"
+
+    onConn = defer.Deferred(
+        ).addCallback(cbServerGreeting, username, password
+        ).addErrback(ebConnection
+        ).addBoth(cbClose)
+
+    factory = SimpleIMAP4ClientFactory(username, onConn)
+
+    if port == '993':
+        reactor.connectSSL(
+            hostname, int(port), factory, ssl.ClientContextFactory())
+    else:
+        if not port:
+            port = 143
+        reactor.connectTCP(hostname, int(port), factory)
+    reactor.run()
+
+
+if __name__ == '__main__':
+    main()
diff --git a/src/leap/bitmask/mail/imap/tests/imapclient.py b/src/leap/bitmask/mail/imap/tests/imapclient.py
new file mode 100755
index 0000000..c353cee
--- /dev/null
+++ b/src/leap/bitmask/mail/imap/tests/imapclient.py
@@ -0,0 +1,207 @@
+#!/usr/bin/env python
+
+# Copyright (c) Twisted Matrix Laboratories.
+# See LICENSE for details.
+
+
+"""
+Simple IMAP4 client which connects to our custome
+IMAP4 server: imapserver.py.
+"""
+
+import sys
+
+from twisted.internet import protocol
+from twisted.internet import defer
+from twisted.internet import stdio
+from twisted.mail import imap4
+from twisted.protocols import basic
+from twisted.python import util
+from twisted.python import log
+
+
+class TrivialPrompter(basic.LineReceiver):
+    # from os import linesep as delimiter
+
+    promptDeferred = None
+
+    def prompt(self, msg):
+        assert self.promptDeferred is None
+        self.display(msg)
+        self.promptDeferred = defer.Deferred()
+        return self.promptDeferred
+
+    def display(self, msg):
+        self.transport.write(msg)
+
+    def lineReceived(self, line):
+        if self.promptDeferred is None:
+            return
+        d, self.promptDeferred = self.promptDeferred, None
+        d.callback(line)
+
+
+class SimpleIMAP4Client(imap4.IMAP4Client):
+
+    """
+    Add callbacks when the client receives greeting messages from
+    an IMAP server.
+    """
+    greetDeferred = None
+
+    def serverGreeting(self, caps):
+        self.serverCapabilities = caps
+        if self.greetDeferred is not None:
+            d, self.greetDeferred = self.greetDeferred, None
+            d.callback(self)
+
+
+class SimpleIMAP4ClientFactory(protocol.ClientFactory):
+    usedUp = False
+    protocol = SimpleIMAP4Client
+
+    def __init__(self, username, onConn):
+        self.username = username
+        self.onConn = onConn
+
+    def buildProtocol(self, addr):
+        assert not self.usedUp
+        self.usedUp = True
+
+        p = self.protocol()
+        p.factory = self
+        p.greetDeferred = self.onConn
+
+        p.registerAuthenticator(imap4.PLAINAuthenticator(self.username))
+        p.registerAuthenticator(imap4.LOGINAuthenticator(self.username))
+        p.registerAuthenticator(
+            imap4.CramMD5ClientAuthenticator(self.username))
+
+        return p
+
+    def clientConnectionFailed(self, connector, reason):
+        d, self.onConn = self.onConn, None
+        d.errback(reason)
+
+
+def cbServerGreeting(proto, username, password):
+    """
+    Initial callback - invoked after the server sends us its greet message.
+    """
+    # Hook up stdio
+    tp = TrivialPrompter()
+    stdio.StandardIO(tp)
+
+    # And make it easily accessible
+    proto.prompt = tp.prompt
+    proto.display = tp.display
+
+    # Try to authenticate securely
+    return proto.authenticate(
+        password).addCallback(
+        cbAuthentication, proto).addErrback(
+        ebAuthentication, proto, username, password)
+
+
+def ebConnection(reason):
+    """
+    Fallback error-handler. If anything goes wrong, log it and quit.
+    """
+    log.startLogging(sys.stdout)
+    log.err(reason)
+    return reason
+
+
+def cbAuthentication(result, proto):
+    """
+    Callback after authentication has succeeded.
+    List a bunch of mailboxes.
+    """
+    return proto.list("", "*"
+                      ).addCallback(cbMailboxList, proto
+                                    )
+
+
+def ebAuthentication(failure, proto, username, password):
+    """
+    Errback invoked when authentication fails.
+    If it failed because no SASL mechanisms match, offer the user the choice
+    of logging in insecurely.
+    If you are trying to connect to your Gmail account, you will be here!
+    """
+    failure.trap(imap4.NoSupportedAuthentication)
+    return proto.prompt(
+        "No secure authentication available. Login insecurely? (y/N) "
+    ).addCallback(cbInsecureLogin, proto, username, password
+                  )
+
+
+def cbInsecureLogin(result, proto, username, password):
+    """
+    Callback for "insecure-login" prompt.
+    """
+    if result.lower() == "y":
+        # If they said yes, do it.
+        return proto.login(username, password
+                           ).addCallback(cbAuthentication, proto
+                                         )
+    return defer.fail(Exception("Login failed for security reasons."))
+
+
+def cbMailboxList(result, proto):
+    """
+    Callback invoked when a list of mailboxes has been retrieved.
+    """
+    result = [e[2] for e in result]
+    s = '\n'.join(
+        ['%d. %s' % (n + 1, m) for (n, m) in zip(range(len(result)), result)])
+    if not s:
+        return defer.fail(Exception("No mailboxes exist on server!"))
+    return proto.prompt(s + "\nWhich mailbox? [1] "
+                        ).addCallback(cbPickMailbox, proto, result
+                                      )
+
+
+def cbPickMailbox(result, proto, mboxes):
+    """
+    When the user selects a mailbox, "examine" it.
+    """
+    mbox = mboxes[int(result or '1') - 1]
+    return proto.status(mbox, 'MESSAGES', 'UNSEEN'
+                        ).addCallback(cbMboxStatus, proto)
+
+
+def cbMboxStatus(result, proto):
+    print "You have %s messages (%s unseen)!" % (
+        result['MESSAGES'], result['UNSEEN'])
+    return proto.logout()
+
+
+def cbClose(result):
+    """
+    Close the connection when we finish everything.
+    """
+    from twisted.internet import reactor
+    reactor.stop()
+
+
+def main():
+    hostname = raw_input('IMAP4 Server Hostname: ')
+    port = raw_input('IMAP4 Server Port (the default is 143): ')
+    username = raw_input('IMAP4 Username: ')
+    password = util.getPassword('IMAP4 Password: ')
+
+    onConn = defer.Deferred(
+    ).addCallback(cbServerGreeting, username, password
+                  ).addErrback(ebConnection
+                               ).addBoth(cbClose)
+
+    factory = SimpleIMAP4ClientFactory(username, onConn)
+
+    from twisted.internet import reactor
+    conn = reactor.connectTCP(hostname, int(port), factory)
+    reactor.run()
+
+
+if __name__ == '__main__':
+    main()
diff --git a/src/leap/bitmask/mail/imap/tests/regressions_mime_struct b/src/leap/bitmask/mail/imap/tests/regressions_mime_struct
new file mode 100755
index 0000000..0332664
--- /dev/null
+++ b/src/leap/bitmask/mail/imap/tests/regressions_mime_struct
@@ -0,0 +1,461 @@
+#!/usr/bin/env python
+
+# -*- coding: utf-8 -*-
+# regression_mime_struct
+# Copyright (C) 2014 LEAP
+# Copyright (c) Twisted Matrix Laboratories.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+"""
+Simple Regression Tests for checking MIME struct handling using IMAP4 client.
+
+Iterates trough all mails under a given folder and tries to APPEND them to
+the server being tested. After FETCHING the pushed message, it compares
+the received version with the one that was saved, and exits with an error
+code if they do not match.
+"""
+import os
+import StringIO
+import sys
+
+from email.parser import Parser
+
+from twisted.internet import protocol
+from twisted.internet import ssl
+from twisted.internet import defer
+from twisted.internet import stdio
+from twisted.mail import imap4
+from twisted.protocols import basic
+from twisted.python import log
+
+
+REGRESSIONS_FOLDER = os.environ.get(
+    "REGRESSIONS_FOLDER", "regressions_test")
+print "[+] Using regressions folder:", REGRESSIONS_FOLDER
+
+parser = Parser()
+
+
+def get_msg_parts(raw):
+    """
+    Return a representation of the parts of a message suitable for
+    comparison.
+
+    :param raw: string for the message
+    :type raw: str
+    """
+    m = parser.parsestr(raw)
+    return [dict(part.items())
+            if part.is_multipart()
+            else part.get_payload()
+            for part in m.walk()]
+
+
+def compare_msg_parts(a, b):
+    """
+    Compare two sequences of parts of messages.
+
+    :param a: part sequence for message a
+    :param b: part sequence for message b
+
+    :return: True if both message sequences are equivalent.
+    :rtype: bool
+    """
+    # XXX This could be smarter and show the differences in the
+    # different parts when/where they differ.
+    #import pprint; pprint.pprint(a[0])
+    #import pprint; pprint.pprint(b[0])
+
+    def lowerkey(d):
+        return dict((k.lower(), v.replace('\r', ''))
+                    for k, v in d.iteritems())
+
+    def eq(x, y):
+        # For dicts, we compare a variation with their keys
+        # in lowercase, and \r removed from their values
+        if all(map(lambda i: isinstance(i, dict), (x, y))):
+            x, y = map(lowerkey, (x, y))
+        return x == y
+
+    compare_vector = map(lambda tup: eq(tup[0], tup[1]), zip(a, b))
+    all_match = all(compare_vector)
+
+    if not all_match:
+        print "PARTS MISMATCH!"
+        print "vector: ", compare_vector
+        index = compare_vector.index(False)
+        from pprint import pprint
+        print "Expected:"
+        pprint(a[index])
+        print ("***")
+        print "Found:"
+        pprint(b[index])
+        print
+
+    return all_match
+
+
+def get_fd(string):
+    """
+    Return a file descriptor with the passed string
+    as content.
+    """
+    fd = StringIO.StringIO()
+    fd.write(string)
+    fd.seek(0)
+    return fd
+
+
+class TrivialPrompter(basic.LineReceiver):
+    promptDeferred = None
+
+    def prompt(self, msg):
+        assert self.promptDeferred is None
+        self.display(msg)
+        self.promptDeferred = defer.Deferred()
+        return self.promptDeferred
+
+    def display(self, msg):
+        self.transport.write(msg)
+
+    def lineReceived(self, line):
+        if self.promptDeferred is None:
+            return
+        d, self.promptDeferred = self.promptDeferred, None
+        d.callback(line)
+
+
+class SimpleIMAP4Client(imap4.IMAP4Client):
+    """
+    A client with callbacks for greeting messages from an IMAP server.
+    """
+    greetDeferred = None
+
+    def serverGreeting(self, caps):
+        self.serverCapabilities = caps
+        if self.greetDeferred is not None:
+            d, self.greetDeferred = self.greetDeferred, None
+            d.callback(self)
+
+
+class SimpleIMAP4ClientFactory(protocol.ClientFactory):
+    usedUp = False
+    protocol = SimpleIMAP4Client
+
+    def __init__(self, username, onConn):
+        self.ctx = ssl.ClientContextFactory()
+
+        self.username = username
+        self.onConn = onConn
+
+    def buildProtocol(self, addr):
+        """
+        Initiate the protocol instance. Since we are building a simple IMAP
+        client, we don't bother checking what capabilities the server has. We
+        just add all the authenticators twisted.mail has.  Note: Gmail no
+        longer uses any of the methods below, it's been using XOAUTH since
+        2010.
+        """
+        assert not self.usedUp
+        self.usedUp = True
+
+        p = self.protocol(self.ctx)
+        p.factory = self
+        p.greetDeferred = self.onConn
+
+        p.registerAuthenticator(imap4.PLAINAuthenticator(self.username))
+        p.registerAuthenticator(imap4.LOGINAuthenticator(self.username))
+        p.registerAuthenticator(
+            imap4.CramMD5ClientAuthenticator(self.username))
+
+        return p
+
+    def clientConnectionFailed(self, connector, reason):
+        d, self.onConn = self.onConn, None
+        d.errback(reason)
+
+
+def cbServerGreeting(proto, username, password):
+    """
+    Initial callback - invoked after the server sends us its greet message.
+    """
+    # Hook up stdio
+    tp = TrivialPrompter()
+    stdio.StandardIO(tp)
+
+    # And make it easily accessible
+    proto.prompt = tp.prompt
+    proto.display = tp.display
+
+    # Try to authenticate securely
+    return proto.authenticate(
+        password).addCallback(
+        cbAuthentication,
+        proto).addErrback(
+        ebAuthentication, proto, username, password
+    )
+
+
+def ebConnection(reason):
+    """
+    Fallback error-handler. If anything goes wrong, log it and quit.
+    """
+    log.startLogging(sys.stdout)
+    log.err(reason)
+    return reason
+
+
+def cbAuthentication(result, proto):
+    """
+    Callback after authentication has succeeded.
+
+    Lists a bunch of mailboxes.
+    """
+    return proto.select(
+        REGRESSIONS_FOLDER
+    ).addCallback(
+        cbSelectMbox, proto
+    ).addErrback(
+        ebSelectMbox, proto, REGRESSIONS_FOLDER)
+
+
+def ebAuthentication(failure, proto, username, password):
+    """
+    Errback invoked when authentication fails.
+
+    If it failed because no SASL mechanisms match, offer the user the choice
+    of logging in insecurely.
+
+    If you are trying to connect to your Gmail account, you will be here!
+    """
+    failure.trap(imap4.NoSupportedAuthentication)
+    return InsecureLogin(proto, username, password)
+
+
+def InsecureLogin(proto, username, password):
+    """
+    Raise insecure-login error.
+    """
+    return proto.login(
+        username, password
+    ).addCallback(
+        cbAuthentication, proto)
+
+
+def cbSelectMbox(result, proto):
+    """
+    Callback invoked when select command finishes successfully.
+
+    If any message is in the test folder, it will flag them as deleted and
+    expunge.
+    If no messages found, it will start with the APPEND tests.
+    """
+    print "SELECT: %s EXISTS " % result.get("EXISTS", "??")
+
+    if result["EXISTS"] != 0:
+        # Flag as deleted, expunge, and do an examine again.
+        print "There is mail here, will delete..."
+        return cbDeleteAndExpungeTestFolder(proto)
+
+    else:
+        return cbAppendNextMessage(proto)
+
+
+def ebSelectMbox(failure, proto, folder):
+    """
+    Errback invoked when the examine command fails.
+
+    Creates the folder.
+    """
+    log.err(failure)
+    log.msg("Folder %r does not exist. Creating..." % (folder,))
+    return proto.create(folder).addCallback(cbAuthentication, proto)
+
+
+def ebExpunge(failure):
+    log.err(failure)
+
+
+def cbDeleteAndExpungeTestFolder(proto):
+    """
+    Callback invoked fom cbExamineMbox when the number of messages in the
+    mailbox is not zero. It flags all messages as deleted and expunge the
+    mailbox.
+    """
+    return proto.setFlags(
+        "1:*", ("\\Deleted",)
+    ).addCallback(
+        lambda r: proto.expunge()
+    ).addCallback(
+        cbExpunge, proto
+    ).addErrback(
+        ebExpunge)
+
+
+def cbExpunge(result, proto):
+    return proto.select(
+        REGRESSIONS_FOLDER
+    ).addCallback(
+        cbSelectMbox, proto
+    ).addErrback(ebSettingDeleted, proto)
+
+
+def ebSettingDeleted(failure, proto):
+    """
+    Report errors during deletion of messages in the mailbox.
+    """
+    print failure.getTraceback()
+
+
+def cbAppendNextMessage(proto):
+    """
+    Appends the next message in the global queue to the test folder.
+    """
+    # 1. Get the next test message from global tuple.
+    try:
+        next_sample = SAMPLES.pop()
+    except IndexError:
+        # we're done!
+        return proto.logout()
+
+    print "\nAPPEND %s" % (next_sample,)
+    raw = open(next_sample).read()
+    msg = get_fd(raw)
+    return proto.append(
+        REGRESSIONS_FOLDER, msg
+    ).addCallback(
+        lambda r: proto.select(REGRESSIONS_FOLDER)
+    ).addCallback(
+        cbAppend, proto, raw
+    ).addErrback(
+        ebAppend, proto, raw)
+
+
+def cbAppend(result, proto, orig_msg):
+    """
+    Fetches the message right after an append.
+    """
+    # XXX keep account of highest UID
+    uid = "1:*"
+
+    return proto.fetchSpecific(
+        '%s' % uid,
+        headerType='',
+        headerArgs=['BODY.PEEK[]'],
+    ).addCallback(
+        cbCompareMessage, proto, orig_msg
+    ).addErrback(ebAppend, proto, orig_msg)
+
+
+def ebAppend(failure, proto, raw):
+    """
+    Errorback for the append operation
+    """
+    print "ERROR WHILE APPENDING!"
+    print failure.getTraceback()
+
+
+def cbPickMessage(result, proto):
+    """
+    Pick a message.
+    """
+    return proto.fetchSpecific(
+        '%s' % result,
+        headerType='',
+        headerArgs=['BODY.PEEK[]'],
+        ).addCallback(cbCompareMessage, proto)
+
+
+def cbCompareMessage(result, proto, raw):
+    """
+    Display message and compare it with the original one.
+    """
+    parts_orig = get_msg_parts(raw)
+
+    if result:
+        keys = result.keys()
+        keys.sort()
+    else:
+        print "[-] GOT NO RESULT"
+        return proto.logout()
+
+    latest = max(keys)
+
+    fetched_msg = result[latest][0][2]
+    parts_fetched = get_msg_parts(fetched_msg)
+
+    equal = compare_msg_parts(
+        parts_orig,
+        parts_fetched)
+
+    if equal:
+        print "[+] MESSAGES MATCH"
+        return cbAppendNextMessage(proto)
+    else:
+        print "[-] ERROR: MESSAGES DO NOT MATCH !!!"
+        print "    ABORTING COMPARISON..."
+        # FIXME logout and print the subject ...
+        return proto.logout()
+
+
+def cbClose(result):
+    """
+    Close the connection when we finish everything.
+    """
+    from twisted.internet import reactor
+    reactor.stop()
+
+
+def main():
+    import glob
+    import sys
+
+    if len(sys.argv) != 4:
+        print "Usage: regressions <user> <pass> <samples-folder>"
+        sys.exit()
+
+    hostname = "localhost"
+    port = "1984"
+    username = sys.argv[1]
+    password = sys.argv[2]
+
+    samplesdir = sys.argv[3]
+
+    if not os.path.isdir(samplesdir):
+        print ("Could not find samples folder! "
+               "Make sure of copying mail_breaker contents there.")
+        sys.exit()
+
+    samples = glob.glob(samplesdir + '/*')
+
+    global SAMPLES
+    SAMPLES = []
+    SAMPLES += samples
+
+    onConn = defer.Deferred(
+    ).addCallback(
+        cbServerGreeting, username, password
+    ).addErrback(
+        ebConnection
+    ).addBoth(cbClose)
+
+    factory = SimpleIMAP4ClientFactory(username, onConn)
+
+    from twisted.internet import reactor
+    reactor.connectTCP(hostname, int(port), factory)
+    reactor.run()
+
+
+if __name__ == '__main__':
+    main()
diff --git a/src/leap/bitmask/mail/imap/tests/rfc822.message b/src/leap/bitmask/mail/imap/tests/rfc822.message
new file mode 120000
index 0000000..b19cc28
--- /dev/null
+++ b/src/leap/bitmask/mail/imap/tests/rfc822.message
@@ -0,0 +1 @@
+../../tests/rfc822.message
\ No newline at end of file
diff --git a/src/leap/bitmask/mail/imap/tests/rfc822.multi-minimal.message b/src/leap/bitmask/mail/imap/tests/rfc822.multi-minimal.message
new file mode 120000
index 0000000..e0aa678
--- /dev/null
+++ b/src/leap/bitmask/mail/imap/tests/rfc822.multi-minimal.message
@@ -0,0 +1 @@
+../../tests/rfc822.multi-minimal.message
\ No newline at end of file
diff --git a/src/leap/bitmask/mail/imap/tests/rfc822.multi-nested.message b/src/leap/bitmask/mail/imap/tests/rfc822.multi-nested.message
new file mode 120000
index 0000000..306d0de
--- /dev/null
+++ b/src/leap/bitmask/mail/imap/tests/rfc822.multi-nested.message
@@ -0,0 +1 @@
+../../tests/rfc822.multi-nested.message
\ No newline at end of file
diff --git a/src/leap/bitmask/mail/imap/tests/rfc822.multi-signed.message b/src/leap/bitmask/mail/imap/tests/rfc822.multi-signed.message
new file mode 120000
index 0000000..4172244
--- /dev/null
+++ b/src/leap/bitmask/mail/imap/tests/rfc822.multi-signed.message
@@ -0,0 +1 @@
+../../tests/rfc822.multi-signed.message
\ No newline at end of file
diff --git a/src/leap/bitmask/mail/imap/tests/rfc822.multi.message b/src/leap/bitmask/mail/imap/tests/rfc822.multi.message
new file mode 120000
index 0000000..62057d2
--- /dev/null
+++ b/src/leap/bitmask/mail/imap/tests/rfc822.multi.message
@@ -0,0 +1 @@
+../../tests/rfc822.multi.message
\ No newline at end of file
diff --git a/src/leap/bitmask/mail/imap/tests/rfc822.plain.message b/src/leap/bitmask/mail/imap/tests/rfc822.plain.message
new file mode 120000
index 0000000..5bab0e8
--- /dev/null
+++ b/src/leap/bitmask/mail/imap/tests/rfc822.plain.message
@@ -0,0 +1 @@
+../../tests/rfc822.plain.message
\ No newline at end of file
diff --git a/src/leap/bitmask/mail/imap/tests/stress_tests_imap.zsh b/src/leap/bitmask/mail/imap/tests/stress_tests_imap.zsh
new file mode 100755
index 0000000..544faca
--- /dev/null
+++ b/src/leap/bitmask/mail/imap/tests/stress_tests_imap.zsh
@@ -0,0 +1,178 @@
+#!/bin/zsh
+# BATCH STRESS TEST FOR IMAP ----------------------
+# http://imgs.xkcd.com/comics/science.jpg
+#
+# Run imaptest against a LEAP IMAP server
+# for a fixed period of time, and collect output.
+#
+# Author: Kali Kaneko
+# Date: 2014 01 26
+#
+# To run, you need to have `imaptest` in your path.
+# See:
+# http://www.imapwiki.org/ImapTest/Installation
+#
+# For the tests, I'm using a 10MB file sample that
+# can be downloaded from:
+# http://www.dovecot.org/tmp/dovecot-crlf
+#
+# Want to contribute to benchmarking?
+#
+# 1. Create a pristine account in a bitmask provider.
+#
+# 2. Launch your bitmask client, with different flags
+#    if you desire.
+#
+#    For example to try the nosync flag in sqlite:
+#
+#    LEAP_SQLITE_NOSYNC=1 bitmask --debug -N --offline -l /tmp/leap.log
+#
+# 3. Run at several points in time (ie: just after
+#    launching the bitmask client. one minute after,
+#    ten minutes after)
+#
+#    mkdir data
+#    cd data
+#    ../leap_tests_imap.zsh | tee sqlite_nosync_run2.log  
+#
+# 4. Submit your results to: kali at leap dot se
+#    together with the logs of the bitmask run.
+#
+# Please provide also details about your system, and
+# the type of hard disk setup you are running against.
+#
+
+# ------------------------------------------------
+# Edit these variables if you are too lazy to pass
+# the user and mbox as parameters. Like me.
+
+USER="test_f14@dev.bitmask.net"
+MBOX="~/leap/imaptest/data/dovecot-crlf"
+
+HOST="localhost"
+PORT="1984"
+
+# in case you have it aliased
+GREP="/bin/grep"
+IMAPTEST="imaptest"
+
+# -----------------------------------------------
+#
+# These should be kept constant across benchmarking
+# runs across different machines, for comparability.
+
+DURATION=200
+NUM_MSG=200
+
+
+# TODO add another function, and a cli flag, to be able
+# to take several aggretates spaced in time, along a period
+# of several minutes.
+
+imaptest_cmd() {
+  stdbuf -o0 ${IMAPTEST} user=${USER} pass=1234 host=${HOST} \
+	  port=${PORT} mbox=${MBOX} clients=1 msgs=${NUM_MSG} \
+	  no_pipelining 2>/dev/null
+}
+
+stress_imap() 	{
+  mkfifo imap_pipe
+  cat imap_pipe | tee output &
+  imaptest_cmd >> imap_pipe
+}
+
+wait_and_kill() {
+  while : 
+  do
+    sleep $DURATION
+    pkill -2 imaptest
+    rm imap_pipe
+    break
+  done
+}
+
+print_results() {
+	sleep 1
+	echo
+	echo
+	echo "AGGREGATED RESULTS"
+	echo "----------------------"
+	echo "\tavg\tstdev"
+	$GREP "avg" ./output | sed -e 's/^ *//g' -e 's/ *$//g' | \
+	gawk '
+function avg(data, count) {
+    sum=0;
+    for( x=0; x <= count-1; x++) {
+        sum += data[x];
+    }
+    return sum/count;
+}
+function std_dev(data, count) {
+    sum=0;
+    for( x=0; x <= count-1; x++) {
+        sum += data[x];
+    }
+    average = sum/count;
+
+    sumsq=0;
+    for( x=0; x <= count-1; x++) {
+        sumsq += (data[x] - average)^2;
+    }
+    return sqrt(sumsq/count);
+}
+BEGIN {
+  cnt = 0
+} END {
+
+printf("LOGI:\t%04.2lf\t%04.2f\n", avg(array[1], NR), std_dev(array[1], NR));
+printf("LIST:\t%04.2lf\t%04.2f\n", avg(array[2], NR), std_dev(array[2], NR));
+printf("STAT:\t%04.2lf\t%04.2f\n", avg(array[3], NR), std_dev(array[3], NR));
+printf("SELE:\t%04.2lf\t%04.2f\n", avg(array[4], NR), std_dev(array[4], NR));
+printf("FETC:\t%04.2lf\t%04.2f\n", avg(array[5], NR), std_dev(array[5], NR));
+printf("FET2:\t%04.2lf\t%04.2f\n", avg(array[6], NR), std_dev(array[6], NR));
+printf("STOR:\t%04.2lf\t%04.2f\n", avg(array[7], NR), std_dev(array[7], NR));
+printf("DELE:\t%04.2lf\t%04.2f\n", avg(array[8], NR), std_dev(array[8], NR));
+printf("EXPU:\t%04.2lf\t%04.2f\n", avg(array[9], NR), std_dev(array[9], NR));
+printf("APPE:\t%04.2lf\t%04.2f\n", avg(array[10], NR), std_dev(array[10], NR));
+printf("LOGO:\t%04.2lf\t%04.2f\n", avg(array[11], NR), std_dev(array[11], NR));
+
+print ""
+print "TOT samples", NR;
+}
+{
+  it = cnt++;
+  array[1][it] = $1;
+  array[2][it] = $2;
+  array[3][it] = $3;
+  array[4][it] = $4;
+  array[5][it] = $5;
+  array[6][it] = $6;
+  array[7][it] = $7;
+  array[8][it] = $8;
+  array[9][it] = $9;
+  array[10][it] = $10;
+  array[11][it] = $11;
+}'
+}
+
+
+{ test $1 = "--help" } && {
+ echo "Usage: $0 [user@provider] [/path/to/sample.mbox]"
+ exit 0
+}
+
+# If the first parameter is passed, take it as the user
+{ test $1 } && {
+ USER=$1
+}
+
+# If the second parameter is passed, take it as the mbox
+{ test $2 } && {
+ MBOX=$2
+}
+
+echo "[+] LEAP IMAP TESTS"
+echo "[+] Running imaptest for $DURATION seconds with $NUM_MSG messages"
+wait_and_kill &
+stress_imap
+print_results
diff --git a/src/leap/bitmask/mail/imap/tests/test_imap.py b/src/leap/bitmask/mail/imap/tests/test_imap.py
new file mode 100644
index 0000000..9cca17f
--- /dev/null
+++ b/src/leap/bitmask/mail/imap/tests/test_imap.py
@@ -0,0 +1,1060 @@
+# -*- coding: utf-8 -*-
+# test_imap.py
+# Copyright (C) 2013 LEAP
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+"""
+Test case for leap.email.imap.server
+TestCases taken from twisted tests and modified to make them work
+against our implementation of the IMAPAccount.
+
+@authors: Kali Kaneko, <kali@leap.se>
+XXX add authors from the original twisted tests.
+
+@license: GPLv3, see included LICENSE file
+"""
+# XXX review license of the original tests!!!
+import os
+import string
+import types
+
+
+from twisted.mail import imap4
+from twisted.internet import defer
+from twisted.python import util
+from twisted.python import failure
+
+from twisted import cred
+
+from leap.mail.imap.mailbox import IMAPMailbox
+from leap.mail.imap.messages import CaseInsensitiveDict
+from leap.mail.testing.imap import IMAP4HelperMixin
+
+
+TEST_USER = "testuser@leap.se"
+TEST_PASSWD = "1234"
+
+
+def strip(f):
+    return lambda result, f=f: f()
+
+
+def sortNest(l):
+    l = l[:]
+    l.sort()
+    for i in range(len(l)):
+        if isinstance(l[i], types.ListType):
+            l[i] = sortNest(l[i])
+        elif isinstance(l[i], types.TupleType):
+            l[i] = tuple(sortNest(list(l[i])))
+    return l
+
+
+class TestRealm:
+    """
+    A minimal auth realm for testing purposes only
+    """
+    theAccount = None
+
+    def requestAvatar(self, avatarId, mind, *interfaces):
+        return imap4.IAccount, self.theAccount, lambda: None
+
+#
+# TestCases
+#
+
+# DEBUG ---
+# from twisted.internet.base import DelayedCall
+# DelayedCall.debug = True
+
+
+class LEAPIMAP4ServerTestCase(IMAP4HelperMixin):
+
+    """
+    Tests for the generic behavior of the LEAPIMAP4Server
+    which, right now, it's just implemented in this test file as
+    LEAPIMAPServer. We will move the implementation, together with
+    authentication bits, to leap.mail.imap.server so it can be instantiated
+    from the tac file.
+
+    Right now this TestCase tries to mimmick as close as possible the
+    organization from the twisted.mail.imap tests so we can achieve
+    a complete implementation. The order in which they appear reflect
+    the intended order of implementation.
+    """
+
+    #
+    # mailboxes operations
+    #
+
+    def testCreate(self):
+        """
+        Test whether we can create mailboxes
+        """
+        succeed = ('testbox', 'test/box', 'test/', 'test/box/box', 'foobox')
+        fail = ('testbox', 'test/box')
+        acc = self.server.theAccount
+
+        def cb():
+            self.result.append(1)
+
+        def eb(failure):
+            self.result.append(0)
+
+        def login():
+            return self.client.login(TEST_USER, TEST_PASSWD)
+
+        def create():
+            create_deferreds = []
+            for name in succeed + fail:
+                d = self.client.create(name)
+                d.addCallback(strip(cb)).addErrback(eb)
+                create_deferreds.append(d)
+            dd = defer.gatherResults(create_deferreds)
+            dd.addCallbacks(self._cbStopClient, self._ebGeneral)
+            return dd
+
+        self.result = []
+        d1 = self.connected.addCallback(strip(login))
+        d1.addCallback(strip(create))
+        d2 = self.loopback()
+        d = defer.gatherResults([d1, d2], consumeErrors=True)
+        d.addCallback(lambda _: acc.account.list_all_mailbox_names())
+        return d.addCallback(self._cbTestCreate, succeed, fail)
+
+    def _cbTestCreate(self, mailboxes, succeed, fail):
+        self.assertEqual(self.result, [1] * len(succeed) + [0] * len(fail))
+
+        answers = ([u'INBOX', u'testbox', u'test/box', u'test',
+                    u'test/box/box', 'foobox'])
+        self.assertEqual(sorted(mailboxes), sorted([a for a in answers]))
+
+    def testDelete(self):
+        """
+        Test whether we can delete mailboxes
+        """
+        def add_mailbox():
+            return self.server.theAccount.addMailbox('test-delete/me')
+
+        def login():
+            return self.client.login(TEST_USER, TEST_PASSWD)
+
+        def delete():
+            return self.client.delete('test-delete/me')
+
+        acc = self.server.theAccount.account
+
+        d1 = self.connected.addCallback(add_mailbox)
+        d1.addCallback(strip(login))
+        d1.addCallbacks(strip(delete), self._ebGeneral)
+        d1.addCallbacks(self._cbStopClient, self._ebGeneral)
+        d2 = self.loopback()
+        d = defer.gatherResults([d1, d2])
+        d.addCallback(lambda _: acc.list_all_mailbox_names())
+        d.addCallback(lambda mboxes: self.assertEqual(
+            mboxes, ['INBOX']))
+        return d
+
+    def testIllegalInboxDelete(self):
+        """
+        Test what happens if we try to delete the user Inbox.
+        We expect that operation to fail.
+        """
+        self.stashed = None
+
+        def login():
+            return self.client.login(TEST_USER, TEST_PASSWD)
+
+        def delete():
+            return self.client.delete('inbox')
+
+        def stash(result):
+            self.stashed = result
+
+        d1 = self.connected.addCallback(strip(login))
+        d1.addCallbacks(strip(delete), self._ebGeneral)
+        d1.addBoth(stash)
+        d1.addCallbacks(self._cbStopClient, self._ebGeneral)
+        d2 = self.loopback()
+        d = defer.gatherResults([d1, d2])
+        d.addCallback(lambda _: self.failUnless(isinstance(self.stashed,
+                                                           failure.Failure)))
+        return d
+
+    def testNonExistentDelete(self):
+        """
+        Test what happens if we try to delete a non-existent mailbox.
+        We expect an error raised stating 'No such mailbox'
+        """
+        def login():
+            return self.client.login(TEST_USER, TEST_PASSWD)
+
+        def delete():
+            return self.client.delete('delete/me')
+            self.failure = failure
+
+        def deleteFailed(failure):
+            self.failure = failure
+
+        self.failure = None
+        d1 = self.connected.addCallback(strip(login))
+        d1.addCallback(strip(delete)).addErrback(deleteFailed)
+        d1.addCallbacks(self._cbStopClient, self._ebGeneral)
+        d2 = self.loopback()
+        d = defer.gatherResults([d1, d2])
+        d.addCallback(lambda _: self.assertTrue(
+            str(self.failure.value).startswith('No such mailbox')))
+        return d
+
+    def testIllegalDelete(self):
+        """
+        Try deleting a mailbox with sub-folders, and \NoSelect flag set.
+        An exception is expected.
+        """
+        acc = self.server.theAccount
+
+        def login():
+            return self.client.login(TEST_USER, TEST_PASSWD)
+
+        def create_mailboxes():
+            d1 = acc.addMailbox('delete')
+            d2 = acc.addMailbox('delete/me')
+            d = defer.gatherResults([d1, d2])
+            return d
+
+        def get_noselect_mailbox(mboxes):
+            mbox = mboxes[0]
+            return mbox.setFlags((r'\Noselect',))
+
+        def delete_mbox(ignored):
+            return self.client.delete('delete')
+
+        def deleteFailed(failure):
+            self.failure = failure
+
+        self.failure = None
+
+        d1 = self.connected.addCallback(strip(login))
+        d1.addCallback(strip(create_mailboxes))
+        d1.addCallback(get_noselect_mailbox)
+
+        d1.addCallback(delete_mbox).addErrback(deleteFailed)
+        d1.addCallbacks(self._cbStopClient, self._ebGeneral)
+        d2 = self.loopback()
+        d = defer.gatherResults([d1, d2])
+        expected = ("Hierarchically inferior mailboxes exist "
+                    "and \\Noselect is set")
+        d.addCallback(lambda _:
+                      self.assertTrue(self.failure is not None))
+        d.addCallback(lambda _:
+                      self.assertEqual(str(self.failure.value), expected))
+        return d
+
+    # FIXME --- this test sometimes FAILS (timing issue).
+    # Some of the deferreds used in the rename op is not waiting for the
+    # operations properly
+    def testRename(self):
+        """
+        Test whether we can rename a mailbox
+        """
+        def create_mbox():
+            return self.server.theAccount.addMailbox('oldmbox')
+
+        def login():
+            return self.client.login(TEST_USER, TEST_PASSWD)
+
+        def rename():
+            return self.client.rename('oldmbox', 'newname')
+
+        d1 = self.connected.addCallback(strip(create_mbox))
+        d1.addCallback(strip(login))
+        d1.addCallbacks(strip(rename), self._ebGeneral)
+        d1.addCallbacks(self._cbStopClient, self._ebGeneral)
+        d2 = self.loopback()
+        d = defer.gatherResults([d1, d2])
+        d.addCallback(lambda _:
+                      self.server.theAccount.account.list_all_mailbox_names())
+        d.addCallback(lambda mboxes:
+                      self.assertItemsEqual(mboxes, ['INBOX', 'newname']))
+        return d
+
+    def testIllegalInboxRename(self):
+        """
+        Try to rename inbox. We expect it to fail. Then it would be not
+        an inbox anymore, would it?
+        """
+        self.stashed = None
+
+        def login():
+            return self.client.login(TEST_USER, TEST_PASSWD)
+
+        def rename():
+            return self.client.rename('inbox', 'frotz')
+
+        def stash(stuff):
+            self.stashed = stuff
+
+        d1 = self.connected.addCallback(strip(login))
+        d1.addCallbacks(strip(rename), self._ebGeneral)
+        d1.addBoth(stash)
+        d1.addCallbacks(self._cbStopClient, self._ebGeneral)
+        d2 = self.loopback()
+        d = defer.gatherResults([d1, d2])
+        d.addCallback(lambda _:
+                      self.failUnless(isinstance(
+                          self.stashed, failure.Failure)))
+        return d
+
+    def testHierarchicalRename(self):
+        """
+        Try to rename hierarchical mailboxes
+        """
+        acc = self.server.theAccount
+
+        def add_mailboxes():
+            return defer.gatherResults([
+                acc.addMailbox('oldmbox/m1'),
+                acc.addMailbox('oldmbox/m2')])
+
+        def login():
+            return self.client.login(TEST_USER, TEST_PASSWD)
+
+        def rename():
+            return self.client.rename('oldmbox', 'newname')
+
+        d1 = self.connected.addCallback(strip(add_mailboxes))
+        d1.addCallback(strip(login))
+        d1.addCallbacks(strip(rename), self._ebGeneral)
+        d1.addCallbacks(self._cbStopClient, self._ebGeneral)
+        d2 = self.loopback()
+        d = defer.gatherResults([d1, d2])
+        d.addCallback(lambda _: acc.account.list_all_mailbox_names())
+        return d.addCallback(self._cbTestHierarchicalRename)
+
+    def _cbTestHierarchicalRename(self, mailboxes):
+        expected = ['INBOX', 'newname/m1', 'newname/m2']
+        self.assertEqual(sorted(mailboxes), sorted([s for s in expected]))
+
+    def testSubscribe(self):
+        """
+        Test whether we can mark a mailbox as subscribed to
+        """
+        acc = self.server.theAccount
+
+        def add_mailbox():
+            return acc.addMailbox('this/mbox')
+
+        def login():
+            return self.client.login(TEST_USER, TEST_PASSWD)
+
+        def subscribe():
+            return self.client.subscribe('this/mbox')
+
+        def get_subscriptions(ignored):
+            return self.server.theAccount.getSubscriptions()
+
+        d1 = self.connected.addCallback(strip(add_mailbox))
+        d1.addCallback(strip(login))
+        d1.addCallbacks(strip(subscribe), self._ebGeneral)
+        d1.addCallbacks(self._cbStopClient, self._ebGeneral)
+        d2 = self.loopback()
+        d = defer.gatherResults([d1, d2])
+        d.addCallback(get_subscriptions)
+        d.addCallback(lambda subscriptions:
+                      self.assertEqual(subscriptions,
+                                       ['this/mbox']))
+        return d
+
+    def testUnsubscribe(self):
+        """
+        Test whether we can unsubscribe from a set of mailboxes
+        """
+        acc = self.server.theAccount
+
+        def add_mailboxes():
+            return defer.gatherResults([
+                acc.addMailbox('this/mbox'),
+                acc.addMailbox('that/mbox')])
+
+        def dc1():
+            return acc.subscribe('this/mbox')
+
+        def dc2():
+            return acc.subscribe('that/mbox')
+
+        def login():
+            return self.client.login(TEST_USER, TEST_PASSWD)
+
+        def unsubscribe():
+            return self.client.unsubscribe('this/mbox')
+
+        def get_subscriptions(ignored):
+            return acc.getSubscriptions()
+
+        d1 = self.connected.addCallback(strip(add_mailboxes))
+        d1.addCallback(strip(login))
+        d1.addCallback(strip(dc1))
+        d1.addCallback(strip(dc2))
+        d1.addCallbacks(strip(unsubscribe), self._ebGeneral)
+        d1.addCallbacks(self._cbStopClient, self._ebGeneral)
+        d2 = self.loopback()
+        d = defer.gatherResults([d1, d2])
+        d.addCallback(get_subscriptions)
+        d.addCallback(lambda subscriptions:
+                      self.assertEqual(subscriptions,
+                                       ['that/mbox']))
+        return d
+
+    def testSelect(self):
+        """
+        Try to select a mailbox
+        """
+        mbox_name = "TESTMAILBOXSELECT"
+        self.selectedArgs = None
+
+        acc = self.server.theAccount
+
+        def add_mailbox():
+            return acc.addMailbox(mbox_name, creation_ts=42)
+
+        def login():
+            return self.client.login(TEST_USER, TEST_PASSWD)
+
+        def select():
+            def selected(args):
+                self.selectedArgs = args
+                self._cbStopClient(None)
+            d = self.client.select(mbox_name)
+            d.addCallback(selected)
+            return d
+
+        d1 = self.connected.addCallback(strip(add_mailbox))
+        d1.addCallback(strip(login))
+        d1.addCallback(strip(select))
+        # d1.addErrback(self._ebGeneral)
+
+        d2 = self.loopback()
+
+        d = defer.gatherResults([d1, d2])
+        d.addCallback(self._cbTestSelect)
+        return d
+
+    def _cbTestSelect(self, ignored):
+        self.assertTrue(self.selectedArgs is not None)
+
+        self.assertEqual(self.selectedArgs, {
+            'EXISTS': 0, 'RECENT': 0, 'UIDVALIDITY': 42,
+            'FLAGS': ('\\Seen', '\\Answered', '\\Flagged',
+                      '\\Deleted', '\\Draft', '\\Recent', 'List'),
+            'READ-WRITE': True
+        })
+
+    #
+    # capabilities
+    #
+
+    def testCapability(self):
+        caps = {}
+
+        def getCaps():
+            def gotCaps(c):
+                caps.update(c)
+                self.server.transport.loseConnection()
+            return self.client.getCapabilities().addCallback(gotCaps)
+
+        d1 = self.connected
+        d1.addCallback(
+            strip(getCaps)).addErrback(self._ebGeneral)
+
+        d = defer.gatherResults([self.loopback(), d1])
+        expected = {'IMAP4rev1': None, 'NAMESPACE': None, 'LITERAL+': None,
+                    'IDLE': None}
+        d.addCallback(lambda _: self.assertEqual(expected, caps))
+        return d
+
+    def testCapabilityWithAuth(self):
+        caps = {}
+        self.server.challengers[
+            'CRAM-MD5'] = cred.credentials.CramMD5Credentials
+
+        def getCaps():
+            def gotCaps(c):
+                caps.update(c)
+                self.server.transport.loseConnection()
+            return self.client.getCapabilities().addCallback(gotCaps)
+        d1 = self.connected.addCallback(
+            strip(getCaps)).addErrback(self._ebGeneral)
+
+        d = defer.gatherResults([self.loopback(), d1])
+
+        expCap = {'IMAP4rev1': None, 'NAMESPACE': None,
+                  'IDLE': None, 'LITERAL+': None,
+                  'AUTH': ['CRAM-MD5']}
+
+        d.addCallback(lambda _: self.assertEqual(expCap, caps))
+        return d
+
+    #
+    # authentication
+    #
+
+    def testLogout(self):
+        """
+        Test log out
+        """
+        self.loggedOut = 0
+
+        def logout():
+            def setLoggedOut():
+                self.loggedOut = 1
+            self.client.logout().addCallback(strip(setLoggedOut))
+        self.connected.addCallback(strip(logout)).addErrback(self._ebGeneral)
+        d = self.loopback()
+        return d.addCallback(lambda _: self.assertEqual(self.loggedOut, 1))
+
+    def testNoop(self):
+        """
+        Test noop command
+        """
+        self.responses = None
+
+        def noop():
+            def setResponses(responses):
+                self.responses = responses
+                self.server.transport.loseConnection()
+            self.client.noop().addCallback(setResponses)
+        self.connected.addCallback(strip(noop)).addErrback(self._ebGeneral)
+        d = self.loopback()
+        return d.addCallback(lambda _: self.assertEqual(self.responses, []))
+
+    def testLogin(self):
+        """
+        Test login
+        """
+        def login():
+            d = self.client.login(TEST_USER, TEST_PASSWD)
+            d.addCallback(self._cbStopClient)
+        d1 = self.connected.addCallback(
+            strip(login)).addErrback(self._ebGeneral)
+        d = defer.gatherResults([d1, self.loopback()])
+        return d.addCallback(self._cbTestLogin)
+
+    def _cbTestLogin(self, ignored):
+        self.assertEqual(self.server.state, 'auth')
+
+    def testFailedLogin(self):
+        """
+        Test bad login
+        """
+        def login():
+            d = self.client.login("bad_user@leap.se", TEST_PASSWD)
+            d.addBoth(self._cbStopClient)
+
+        d1 = self.connected.addCallback(
+            strip(login)).addErrback(self._ebGeneral)
+        d2 = self.loopback()
+        d = defer.gatherResults([d1, d2])
+        return d.addCallback(self._cbTestFailedLogin)
+
+    def _cbTestFailedLogin(self, ignored):
+        self.assertEqual(self.server.state, 'unauth')
+        self.assertEqual(self.server.account, None)
+
+    def testLoginRequiringQuoting(self):
+        """
+        Test login requiring quoting
+        """
+        self.server.checker.userid = '{test}user@leap.se'
+        self.server.checker.password = '{test}password'
+
+        def login():
+            d = self.client.login('{test}user@leap.se', '{test}password')
+            d.addBoth(self._cbStopClient)
+
+        d1 = self.connected.addCallback(
+            strip(login)).addErrback(self._ebGeneral)
+        d = defer.gatherResults([self.loopback(), d1])
+        return d.addCallback(self._cbTestLoginRequiringQuoting)
+
+    def _cbTestLoginRequiringQuoting(self, ignored):
+        self.assertEqual(self.server.state, 'auth')
+
+    #
+    # Inspection
+    #
+
+    def testNamespace(self):
+        """
+        Test retrieving namespace
+        """
+        self.namespaceArgs = None
+
+        def login():
+            return self.client.login(TEST_USER, TEST_PASSWD)
+
+        def namespace():
+            def gotNamespace(args):
+                self.namespaceArgs = args
+                self._cbStopClient(None)
+            return self.client.namespace().addCallback(gotNamespace)
+
+        d1 = self.connected.addCallback(strip(login))
+        d1.addCallback(strip(namespace))
+        d1.addErrback(self._ebGeneral)
+        d2 = self.loopback()
+        d = defer.gatherResults([d1, d2])
+        d.addCallback(lambda _: self.assertEqual(self.namespaceArgs,
+                                                 [[['', '/']], [], []]))
+        return d
+
+    def testExamine(self):
+        """
+        L{IMAP4Client.examine} issues an I{EXAMINE} command to the server and
+        returns a L{Deferred} which fires with a C{dict} with as many of the
+        following keys as the server includes in its response: C{'FLAGS'},
+        C{'EXISTS'}, C{'RECENT'}, C{'UNSEEN'}, C{'READ-WRITE'}, C{'READ-ONLY'},
+        C{'UIDVALIDITY'}, and C{'PERMANENTFLAGS'}.
+
+        Unfortunately the server doesn't generate all of these so it's hard to
+        test the client's handling of them here.  See
+        L{IMAP4ClientExamineTests} below.
+
+        See U{RFC 3501<http://www.faqs.org/rfcs/rfc3501.html>}, section 6.3.2,
+        for details.
+        """
+        # TODO implement the IMAP4ClientExamineTests testcase.
+        mbox_name = "test_mailbox_e"
+        acc = self.server.theAccount
+        self.examinedArgs = None
+
+        def add_mailbox():
+            return acc.addMailbox(mbox_name, creation_ts=42)
+
+        def login():
+            return self.client.login(TEST_USER, TEST_PASSWD)
+
+        def examine():
+            def examined(args):
+                self.examinedArgs = args
+                self._cbStopClient(None)
+            d = self.client.examine(mbox_name)
+            d.addCallback(examined)
+            return d
+
+        d1 = self.connected.addCallback(strip(add_mailbox))
+        d1.addCallback(strip(login))
+        d1.addCallback(strip(examine))
+        d1.addErrback(self._ebGeneral)
+        d2 = self.loopback()
+        d = defer.gatherResults([d1, d2])
+        return d.addCallback(self._cbTestExamine)
+
+    def _cbTestExamine(self, ignored):
+        self.assertEqual(self.examinedArgs, {
+            'EXISTS': 0, 'RECENT': 0, 'UIDVALIDITY': 42,
+            'FLAGS': ('\\Seen', '\\Answered', '\\Flagged',
+                      '\\Deleted', '\\Draft', '\\Recent', 'List'),
+            'READ-WRITE': False})
+
+    def _listSetup(self, f, f2=None):
+
+        acc = self.server.theAccount
+
+        def dc1():
+            return acc.addMailbox('root_subthing', creation_ts=42)
+
+        def dc2():
+            return acc.addMailbox('root_another_thing', creation_ts=42)
+
+        def dc3():
+            return acc.addMailbox('non_root_subthing', creation_ts=42)
+
+        def login():
+            return self.client.login(TEST_USER, TEST_PASSWD)
+
+        def listed(answers):
+            self.listed = answers
+
+        self.listed = None
+        d1 = self.connected.addCallback(strip(login))
+        d1.addCallback(strip(dc1))
+        d1.addCallback(strip(dc2))
+        d1.addCallback(strip(dc3))
+
+        if f2 is not None:
+            d1.addCallback(f2)
+
+        d1.addCallbacks(strip(f), self._ebGeneral)
+        d1.addCallbacks(listed, self._ebGeneral)
+        d1.addCallbacks(self._cbStopClient, self._ebGeneral)
+        d2 = self.loopback()
+        return defer.gatherResults([d1, d2]).addCallback(lambda _: self.listed)
+
+    def testList(self):
+        """
+        Test List command
+        """
+        def list():
+            return self.client.list('root', '%')
+
+        d = self._listSetup(list)
+        d.addCallback(lambda listed: self.assertEqual(
+            sortNest(listed),
+            sortNest([
+                (IMAPMailbox.init_flags, "/", "root_subthing"),
+                (IMAPMailbox.init_flags, "/", "root_another_thing")
+            ])
+        ))
+        return d
+
+    def testLSub(self):
+        """
+        Test LSub command
+        """
+        acc = self.server.theAccount
+
+        def subs_mailbox():
+            # why not client.subscribe instead?
+            return acc.subscribe('root_subthing')
+
+        def lsub():
+            return self.client.lsub('root', '%')
+
+        d = self._listSetup(lsub, strip(subs_mailbox))
+        d.addCallback(self.assertEqual,
+                      [(IMAPMailbox.init_flags, "/", "root_subthing")])
+        return d
+
+    def testStatus(self):
+        """
+        Test Status command
+        """
+        acc = self.server.theAccount
+
+        def add_mailbox():
+            return acc.addMailbox('root_subthings')
+
+        # XXX FIXME ---- should populate this a little bit,
+        # with unseen etc...
+
+        def login():
+            return self.client.login(TEST_USER, TEST_PASSWD)
+
+        def status():
+            return self.client.status(
+                'root_subthings', 'MESSAGES', 'UIDNEXT', 'UNSEEN')
+
+        def statused(result):
+            self.statused = result
+
+        self.statused = None
+
+        d1 = self.connected.addCallback(strip(add_mailbox))
+        d1.addCallback(strip(login))
+        d1.addCallbacks(strip(status), self._ebGeneral)
+        d1.addCallbacks(statused, self._ebGeneral)
+        d1.addCallbacks(self._cbStopClient, self._ebGeneral)
+        d2 = self.loopback()
+        d = defer.gatherResults([d1, d2])
+        d.addCallback(lambda _: self.assertEqual(
+            self.statused,
+            {'MESSAGES': 0, 'UIDNEXT': '1', 'UNSEEN': 0}
+        ))
+        return d
+
+    def testFailedStatus(self):
+        """
+        Test failed status command with a non-existent mailbox
+        """
+        def login():
+            return self.client.login(TEST_USER, TEST_PASSWD)
+
+        def status():
+            return self.client.status(
+                'root/nonexistent', 'MESSAGES', 'UIDNEXT', 'UNSEEN')
+
+        def statused(result):
+            self.statused = result
+
+        def failed(failure):
+            self.failure = failure
+
+        self.statused = self.failure = None
+        d1 = self.connected.addCallback(strip(login))
+        d1.addCallbacks(strip(status), self._ebGeneral)
+        d1.addCallbacks(statused, failed)
+        d1.addCallbacks(self._cbStopClient, self._ebGeneral)
+        d2 = self.loopback()
+        return defer.gatherResults([d1, d2]).addCallback(
+            self._cbTestFailedStatus)
+
+    def _cbTestFailedStatus(self, ignored):
+        self.assertEqual(
+            self.statused, None
+        )
+        self.assertEqual(
+            self.failure.value.args,
+            ('Could not open mailbox',)
+        )
+
+    #
+    # messages
+    #
+
+    def testFullAppend(self):
+        """
+        Test appending a full message to the mailbox
+        """
+        infile = util.sibpath(__file__, 'rfc822.message')
+        message = open(infile)
+        acc = self.server.theAccount
+        mailbox_name = "appendmbox/subthing"
+
+        def add_mailbox():
+            return acc.addMailbox(mailbox_name)
+
+        def login():
+            return self.client.login(TEST_USER, TEST_PASSWD)
+
+        def append():
+            return self.client.append(
+                mailbox_name, message,
+                ('\\SEEN', '\\DELETED'),
+                'Tue, 17 Jun 2003 11:22:16 -0600 (MDT)',
+            )
+
+        d1 = self.connected.addCallback(strip(add_mailbox))
+        d1.addCallback(strip(login))
+        d1.addCallbacks(strip(append), self._ebGeneral)
+        d1.addCallbacks(self._cbStopClient, self._ebGeneral)
+        d2 = self.loopback()
+        d = defer.gatherResults([d1, d2])
+
+        d.addCallback(lambda _: acc.getMailbox(mailbox_name))
+        d.addCallback(lambda mb: mb.fetch(imap4.MessageSet(start=1), True))
+        return d.addCallback(self._cbTestFullAppend, infile)
+
+    def _cbTestFullAppend(self, fetched, infile):
+        fetched = list(fetched)
+        self.assertTrue(len(fetched) == 1)
+        self.assertTrue(len(fetched[0]) == 2)
+        uid, msg = fetched[0]
+        parsed = self.parser.parse(open(infile))
+        expected_body = parsed.get_payload()
+        expected_headers = CaseInsensitiveDict(parsed.items())
+
+        def assert_flags(flags):
+            self.assertEqual(
+                set(('\\SEEN', '\\DELETED')),
+                set(flags))
+
+        def assert_date(date):
+            self.assertEqual(
+                'Tue, 17 Jun 2003 11:22:16 -0600 (MDT)',
+                date)
+
+        def assert_body(body):
+            gotbody = body.read()
+            self.assertEqual(expected_body, gotbody)
+
+        def assert_headers(headers):
+            self.assertItemsEqual(map(string.lower, expected_headers), headers)
+
+        d = defer.maybeDeferred(msg.getFlags)
+        d.addCallback(assert_flags)
+
+        d.addCallback(lambda _: defer.maybeDeferred(msg.getInternalDate))
+        d.addCallback(assert_date)
+
+        d.addCallback(
+            lambda _: defer.maybeDeferred(
+                msg.getBodyFile, self._soledad))
+        d.addCallback(assert_body)
+
+        d.addCallback(lambda _: defer.maybeDeferred(msg.getHeaders, True))
+        d.addCallback(assert_headers)
+
+        return d
+
+    def testPartialAppend(self):
+        """
+        Test partially appending a message to the mailbox
+        """
+        # TODO this test sometimes will fail because of the notify_just_mdoc
+        infile = util.sibpath(__file__, 'rfc822.message')
+
+        acc = self.server.theAccount
+
+        def add_mailbox():
+            return acc.addMailbox('PARTIAL/SUBTHING')
+
+        def login():
+            return self.client.login(TEST_USER, TEST_PASSWD)
+
+        def append():
+            message = file(infile)
+            return self.client.sendCommand(
+                imap4.Command(
+                    'APPEND',
+                    'PARTIAL/SUBTHING (\\SEEN) "Right now" '
+                    '{%d}' % os.path.getsize(infile),
+                    (), self.client._IMAP4Client__cbContinueAppend, message
+                )
+            )
+        d1 = self.connected.addCallback(strip(add_mailbox))
+        d1.addCallback(strip(login))
+        d1.addCallbacks(strip(append), self._ebGeneral)
+        d1.addCallbacks(self._cbStopClient, self._ebGeneral)
+        d2 = self.loopback()
+        d = defer.gatherResults([d1, d2])
+
+        d.addCallback(lambda _: acc.getMailbox("PARTIAL/SUBTHING"))
+        d.addCallback(lambda mb: mb.fetch(imap4.MessageSet(start=1), True))
+        return d.addCallback(
+            self._cbTestPartialAppend, infile)
+
+    def _cbTestPartialAppend(self, fetched, infile):
+        fetched = list(fetched)
+        self.assertTrue(len(fetched) == 1)
+        self.assertTrue(len(fetched[0]) == 2)
+        uid, msg = fetched[0]
+        parsed = self.parser.parse(open(infile))
+        expected_body = parsed.get_payload()
+
+        def assert_flags(flags):
+            self.assertEqual(
+                set((['\\SEEN'])), set(flags))
+
+        def assert_body(body):
+            gotbody = body.read()
+            self.assertEqual(expected_body, gotbody)
+
+        d = defer.maybeDeferred(msg.getFlags)
+        d.addCallback(assert_flags)
+
+        d.addCallback(lambda _: defer.maybeDeferred(msg.getBodyFile))
+        d.addCallback(assert_body)
+        return d
+
+    def testCheck(self):
+        """
+        Test check command
+        """
+        def add_mailbox():
+            return self.server.theAccount.addMailbox('root/subthing')
+
+        def login():
+            return self.client.login(TEST_USER, TEST_PASSWD)
+
+        def select():
+            return self.client.select('root/subthing')
+
+        def check():
+            return self.client.check()
+
+        d = self.connected.addCallbacks(
+            strip(add_mailbox), self._ebGeneral)
+        d.addCallbacks(lambda _: login(), self._ebGeneral)
+        d.addCallbacks(strip(select), self._ebGeneral)
+        d.addCallbacks(strip(check), self._ebGeneral)
+        d.addCallbacks(self._cbStopClient, self._ebGeneral)
+        d2 = self.loopback()
+        return defer.gatherResults([d, d2])
+
+        # Okay, that was much fun indeed
+
+    def testExpunge(self):
+        """
+        Test expunge command
+        """
+        acc = self.server.theAccount
+        mailbox_name = 'mailboxexpunge'
+
+        def add_mailbox():
+            return acc.addMailbox(mailbox_name)
+
+        def login():
+            return self.client.login(TEST_USER, TEST_PASSWD)
+
+        def select():
+            return self.client.select(mailbox_name)
+
+        def save_mailbox(mailbox):
+            self.mailbox = mailbox
+
+        def get_mailbox():
+            d = acc.getMailbox(mailbox_name)
+            d.addCallback(save_mailbox)
+            return d
+
+        def add_messages():
+            d = self.mailbox.addMessage(
+                'test 1', flags=('\\Deleted', 'AnotherFlag'),
+                notify_just_mdoc=False)
+            d.addCallback(lambda _: self.mailbox.addMessage(
+                'test 2', flags=('AnotherFlag',),
+                notify_just_mdoc=False))
+            d.addCallback(lambda _: self.mailbox.addMessage(
+                'test 3', flags=('\\Deleted',),
+                notify_just_mdoc=False))
+            return d
+
+        def expunge():
+            return self.client.expunge()
+
+        def expunged(results):
+            self.failIf(self.server.mbox is None)
+            self.results = results
+
+        self.results = None
+        d1 = self.connected.addCallback(strip(add_mailbox))
+        d1.addCallback(strip(login))
+        d1.addCallback(strip(get_mailbox))
+        d1.addCallbacks(strip(add_messages), self._ebGeneral)
+        d1.addCallbacks(strip(select), self._ebGeneral)
+        d1.addCallbacks(strip(expunge), self._ebGeneral)
+        d1.addCallbacks(expunged, self._ebGeneral)
+        d1.addCallbacks(self._cbStopClient, self._ebGeneral)
+        d2 = self.loopback()
+        d = defer.gatherResults([d1, d2])
+        d.addCallback(lambda _: self.mailbox.getMessageCount())
+        return d.addCallback(self._cbTestExpunge)
+
+    def _cbTestExpunge(self, count):
+        # we only left 1 mssage with no deleted flag
+        self.assertEqual(count, 1)
+        # the uids of the deleted messages
+        self.assertItemsEqual(self.results, [1, 3])
+
+
+class AccountTestCase(IMAP4HelperMixin):
+    """
+    Test the Account.
+    """
+    def _create_empty_mailbox(self):
+        return self.server.theAccount.addMailbox('')
+
+    def _create_one_mailbox(self):
+        return self.server.theAccount.addMailbox('one')
+
+    def test_illegalMailboxCreate(self):
+        self.assertRaises(AssertionError, self._create_empty_mailbox)
+
+
+class IMAP4ServerSearchTestCase(IMAP4HelperMixin):
+    """
+    Tests for the behavior of the search_* functions in L{imap5.IMAP4Server}.
+    """
+    # XXX coming soon to your screens!
+    pass
diff --git a/src/leap/bitmask/mail/imap/tests/walktree.py b/src/leap/bitmask/mail/imap/tests/walktree.py
new file mode 100644
index 0000000..f259a55
--- /dev/null
+++ b/src/leap/bitmask/mail/imap/tests/walktree.py
@@ -0,0 +1,127 @@
+# -*- coding: utf-8 -*-
+# walktree.py
+# Copyright (C) 2013 LEAP
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+"""
+Tests for the walktree module.
+"""
+import os
+import sys
+import pprint
+from email import parser
+
+from leap.mail import walk as W
+
+DEBUG = os.environ.get("BITMASK_MAIL_DEBUG")
+
+
+p = parser.Parser()
+
+# TODO pass an argument of the type of message
+
+##################################################
+# Input from hell
+
+if len(sys.argv) > 1:
+    FILENAME = sys.argv[1]
+else:
+    FILENAME = "rfc822.multi-signed.message"
+
+"""
+FILENAME = "rfc822.plain.message"
+FILENAME = "rfc822.multi-minimal.message"
+"""
+
+msg = p.parse(open(FILENAME))
+DO_CHECK = False
+#################################################
+
+parts = W.get_parts(msg)
+
+if DEBUG:
+    def trim(item):
+        item = item[:10]
+    [trim(part["phash"]) for part in parts if part.get('phash', None)]
+
+raw_docs = list(W.get_raw_docs(msg, parts))
+
+body_phash_fun = [W.get_body_phash_simple,
+                  W.get_body_phash_multi][int(msg.is_multipart())]
+body_phash = body_phash_fun(W.get_payloads(msg))
+parts_map = W.walk_msg_tree(parts, body_phash=body_phash)
+
+
+# TODO add missing headers!
+expected = {
+    'body': '1ddfa80485',
+    'multi': True,
+    'part_map': {
+        1: {
+            'headers': {'Content-Disposition': 'inline',
+                        'Content-Type': 'multipart/mixed; '
+                        'boundary="z0eOaCaDLjvTGF2l"'},
+            'multi': True,
+            'part_map': {1: {'ctype': 'text/plain',
+                             'headers': [
+                                 ('Content-Type',
+                                  'text/plain; charset=utf-8'),
+                                 ('Content-Disposition',
+                                  'inline'),
+                                 ('Content-Transfer-Encoding',
+                                  'quoted-printable')],
+                             'multi': False,
+                             'parts': 1,
+                             'phash': '1ddfa80485',
+                             'size': 206},
+                         2: {'ctype': 'text/plain',
+                             'headers': [('Content-Type',
+                                          'text/plain; charset=us-ascii'),
+                                         ('Content-Disposition',
+                                          'attachment; '
+                                          'filename="attach.txt"')],
+                             'multi': False,
+                             'parts': 1,
+                             'phash': '7a94e4d769',
+                             'size': 133},
+                         3: {'ctype': 'application/octet-stream',
+                             'headers': [('Content-Type',
+                                          'application/octet-stream'),
+                                         ('Content-Disposition',
+                                          'attachment; filename="hack.ico"'),
+                                         ('Content-Transfer-Encoding',
+                                          'base64')],
+                             'multi': False,
+                             'parts': 1,
+                             'phash': 'c42cccebbd',
+                             'size': 12736}}},
+        2: {'ctype': 'application/pgp-signature',
+            'headers': [('Content-Type', 'application/pgp-signature')],
+            'multi': False,
+            'parts': 1,
+            'phash': '8f49fbf749',
+            'size': 877}}}
+
+if DEBUG and DO_CHECK:
+    # TODO turn this into a proper unittest
+    assert(parts_map == expected)
+    print "Structure: OK"
+
+
+print
+print "RAW DOCS"
+pprint.pprint(raw_docs)
+print
+print "PARTS MAP"
+pprint.pprint(parts_map)
diff --git a/src/leap/bitmask/mail/incoming/__init__.py b/src/leap/bitmask/mail/incoming/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/src/leap/bitmask/mail/incoming/__init__.py
diff --git a/src/leap/bitmask/mail/incoming/service.py b/src/leap/bitmask/mail/incoming/service.py
new file mode 100644
index 0000000..1e20862
--- /dev/null
+++ b/src/leap/bitmask/mail/incoming/service.py
@@ -0,0 +1,844 @@
+# -*- coding: utf-8 -*-
+# service.py
+# Copyright (C) 2015 LEAP
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+"""
+Incoming mail fetcher.
+"""
+import copy
+import logging
+import shlex
+import time
+import warnings
+
+from email.parser import Parser
+from email.utils import parseaddr
+from email.utils import formatdate
+from StringIO import StringIO
+from urlparse import urlparse
+
+from twisted.application.service import Service
+from twisted.python import log
+from twisted.python.failure import Failure
+from twisted.internet import defer, reactor
+from twisted.internet.task import LoopingCall
+from twisted.internet.task import deferLater
+
+from leap.common.events import emit_async, catalog
+from leap.common.check import leap_assert, leap_assert_type
+from leap.common.mail import get_email_charset
+from leap.keymanager import errors as keymanager_errors
+from leap.mail.adaptors import soledad_indexes as fields
+from leap.mail.generator import Generator
+from leap.mail.utils import json_loads, empty
+from leap.soledad.client import Soledad
+from leap.soledad.common.crypto import ENC_SCHEME_KEY, ENC_JSON_KEY
+from leap.soledad.common.errors import InvalidAuthTokenError
+
+
+logger = logging.getLogger(__name__)
+
+MULTIPART_ENCRYPTED = "multipart/encrypted"
+MULTIPART_SIGNED = "multipart/signed"
+PGP_BEGIN = "-----BEGIN PGP MESSAGE-----"
+PGP_END = "-----END PGP MESSAGE-----"
+
+# The period between succesive checks of the incoming mail
+# queue (in seconds)
+INCOMING_CHECK_PERIOD = 60
+
+
+class MalformedMessage(Exception):
+    """
+    Raised when a given message is not well formed.
+    """
+    pass
+
+
+class IncomingMail(Service):
+    """
+    Fetches and process mail from the incoming pool.
+
+    This object implements IService interface, has public methods
+    startService and stopService that will actually initiate a
+    LoopingCall with check_period recurrency.
+    The LoopingCall itself will invoke the fetch method each time
+    that the check_period expires.
+
+    This loop will sync the soledad db with the remote server and
+    process all the documents found tagged as incoming mail.
+    """
+    # TODO implements IService?
+
+    name = "IncomingMail"
+
+    RECENT_FLAG = "\\Recent"
+    CONTENT_KEY = "content"
+
+    LEAP_SIGNATURE_HEADER = 'X-Leap-Signature'
+    LEAP_ENCRYPTION_HEADER = 'X-Leap-Encryption'
+    """
+    Header added to messages when they are decrypted by the fetcher,
+    which states the validity of an eventual signature that might be included
+    in the encrypted blob.
+    """
+    LEAP_SIGNATURE_VALID = 'valid'
+    LEAP_SIGNATURE_INVALID = 'invalid'
+    LEAP_SIGNATURE_COULD_NOT_VERIFY = 'could not verify'
+
+    LEAP_ENCRYPTION_DECRYPTED = 'decrypted'
+
+    def __init__(self, keymanager, soledad, inbox, userid,
+                 check_period=INCOMING_CHECK_PERIOD):
+
+        """
+        Initialize IncomingMail..
+
+        :param keymanager: a keymanager instance
+        :type keymanager: keymanager.KeyManager
+
+        :param soledad: a soledad instance
+        :type soledad: Soledad
+
+        :param inbox: the collection for the inbox where the new emails will be
+                      stored
+        :type inbox: MessageCollection
+
+        :param check_period: the period to fetch new mail, in seconds.
+        :type check_period: int
+        """
+        leap_assert(keymanager, "need a keymanager to initialize")
+        leap_assert_type(soledad, Soledad)
+        leap_assert(check_period, "need a period to check incoming mail")
+        leap_assert_type(check_period, int)
+        leap_assert(userid, "need a userid to initialize")
+
+        self._keymanager = keymanager
+        self._soledad = soledad
+        self._inbox_collection = inbox
+        self._userid = userid
+
+        self._listeners = []
+        self._loop = None
+        self._check_period = check_period
+
+        # initialize a mail parser only once
+        self._parser = Parser()
+
+    def add_listener(self, listener):
+        """
+        Add a listener to inbox insertions.
+
+        This listener function will be called for each message added to the
+        inbox with its uid as parameter. This function should not be blocking
+        or it will block the incoming queue.
+
+        :param listener: the listener function
+        :type listener: callable
+        """
+        self._listeners.append(listener)
+
+    #
+    # Public API: fetch, start_loop, stop.
+    #
+
+    def fetch(self):
+        """
+        Fetch incoming mail, to be called periodically.
+
+        Calls a deferred that will execute the fetch callback.
+        """
+        def _sync_errback(failure):
+            log.err(failure)
+
+        def syncSoledadCallback(_):
+            # XXX this should be moved to adaptors
+            d = self._soledad.get_from_index(
+                fields.JUST_MAIL_IDX, "1", "0")
+            d.addCallback(self._process_doclist)
+            d.addErrback(_sync_errback)
+            return d
+
+        logger.debug("fetching mail for: %s %s" % (
+            self._soledad.uuid, self._userid))
+        d = self._sync_soledad()
+        d.addCallbacks(syncSoledadCallback, self._errback)
+        d.addCallbacks(self._signal_fetch_to_ui, self._errback)
+        return d
+
+    def startService(self):
+        """
+        Starts a loop to fetch mail.
+
+        :returns: A Deferred whose callback will be invoked with
+                  the LoopingCall instance when loop.stop is called, or
+                  whose errback will be invoked when the function raises an
+                  exception or returned a deferred that has its errback
+                  invoked.
+        """
+        Service.startService(self)
+        if self._loop is None:
+            self._loop = LoopingCall(self.fetch)
+            stop_deferred = self._loop.start(self._check_period)
+            return stop_deferred
+        else:
+            logger.warning("Tried to start an already running fetching loop.")
+            return defer.fail(Failure('Already running loop.'))
+
+    def stopService(self):
+        """
+        Stops the loop that fetches mail.
+        """
+        if self._loop and self._loop.running is True:
+            self._loop.stop()
+            self._loop = None
+        Service.stopService(self)
+
+    #
+    # Private methods.
+    #
+
+    # synchronize incoming mail
+
+    def _errback(self, failure):
+        log.err(failure)
+
+    def _sync_soledad(self):
+        """
+        Synchronize with remote soledad.
+
+        :returns: a list of LeapDocuments, or None.
+        :rtype: iterable or None
+        """
+        def _log_synced(result):
+            log.msg('FETCH soledad SYNCED.')
+            return result
+
+        def _signal_invalid_auth(failure):
+            failure.trap(InvalidAuthTokenError)
+            # if the token is invalid, send an event so the GUI can
+            # disable mail and show an error message.
+            emit_async(catalog.SOLEDAD_INVALID_AUTH_TOKEN, self._userid)
+
+        log.msg('FETCH: syncing soledad...')
+        d = self._soledad.sync()
+        d.addCallbacks(_log_synced, _signal_invalid_auth)
+        return d
+
+    def _signal_fetch_to_ui(self, doclist):
+        """
+        Send leap events to ui.
+
+        :param doclist: iterable with msg documents.
+        :type doclist: iterable.
+        :returns: doclist
+        :rtype: iterable
+        """
+        if doclist:
+            fetched_ts = time.mktime(time.gmtime())
+            num_mails = len(doclist) if doclist is not None else 0
+            if num_mails != 0:
+                log.msg("there are %s mails" % (num_mails,))
+            emit_async(catalog.MAIL_FETCHED_INCOMING, self._userid,
+                       str(num_mails), str(fetched_ts))
+            return doclist
+
+    def _signal_unread_to_ui(self, *args):
+        """
+        Sends unread event to ui.
+        """
+        emit_async(catalog.MAIL_UNREAD_MESSAGES, self._userid,
+                   str(self._inbox_collection.count_unseen()))
+
+    # process incoming mail.
+
+    def _process_doclist(self, doclist):
+        """
+        Iterates through the doclist, checks if each doc
+        looks like a message, and yields a deferred that will decrypt and
+        process the message.
+
+        :param doclist: iterable with msg documents.
+        :type doclist: iterable.
+        :returns: a list of deferreds for individual messages.
+        """
+        log.msg('processing doclist')
+        if not doclist:
+            logger.debug("no docs found")
+            return
+        num_mails = len(doclist)
+
+        deferreds = []
+        for index, doc in enumerate(doclist):
+            logger.debug("processing doc %d of %d" % (index + 1, num_mails))
+            emit_async(catalog.MAIL_MSG_PROCESSING, self._userid,
+                       str(index), str(num_mails))
+
+            keys = doc.content.keys()
+
+            # TODO Compatibility check with the index in pre-0.6 mx
+            # that does not write the ERROR_DECRYPTING_KEY
+            # This should be removed in 0.7
+
+            has_errors = doc.content.get(fields.ERROR_DECRYPTING_KEY, None)
+
+            if has_errors is None:
+                warnings.warn("JUST_MAIL_COMPAT_IDX will be deprecated!",
+                              DeprecationWarning)
+
+            if has_errors:
+                logger.debug("skipping msg with decrypting errors...")
+            elif self._is_msg(keys):
+                # TODO this pipeline is a bit obscure!
+                d = self._decrypt_doc(doc)
+                d.addCallback(self._maybe_extract_keys)
+                d.addCallbacks(self._add_message_locally, self._errback)
+                deferreds.append(d)
+
+        d = defer.gatherResults(deferreds, consumeErrors=True)
+        d.addCallback(lambda _: doclist)
+        return d
+
+    #
+    # operations on individual messages
+    #
+
+    def _decrypt_doc(self, doc):
+        """
+        Decrypt the contents of a document.
+
+        :param doc: A document containing an encrypted message.
+        :type doc: SoledadDocument
+
+        :return: A Deferred that will be fired with the document and the
+                 decrypted message.
+        :rtype: SoledadDocument, str
+        """
+        log.msg('decrypting msg')
+
+        def process_decrypted(res):
+            if isinstance(res, tuple):
+                decrdata, _ = res
+                success = True
+            else:
+                decrdata = ""
+                success = False
+
+            emit_async(catalog.MAIL_MSG_DECRYPTED, self._userid,
+                       "1" if success else "0")
+            return self._process_decrypted_doc(doc, decrdata)
+
+        d = self._keymanager.decrypt(doc.content[ENC_JSON_KEY], self._userid)
+        d.addErrback(self._errback)
+        d.addCallback(process_decrypted)
+        d.addCallback(lambda data: (doc, data))
+        return d
+
+    def _process_decrypted_doc(self, doc, data):
+        """
+        Process a document containing a succesfully decrypted message.
+
+        :param doc: the incoming message
+        :type doc: SoledadDocument
+        :param data: the json-encoded, decrypted content of the incoming
+                     message
+        :type data: str
+
+        :return: a Deferred that will be fired with an str of the proccessed
+                 data.
+        :rtype: Deferred
+        """
+        log.msg('processing decrypted doc')
+
+        # XXX turn this into an errBack for each one of
+        # the deferreds that would process an individual document
+        try:
+            msg = json_loads(data)
+        except UnicodeError as exc:
+            logger.error("Error while decrypting %s" % (doc.doc_id,))
+            logger.exception(exc)
+
+            # we flag the message as "with decrypting errors",
+            # to avoid further decryption attempts during sync
+            # cycles until we're prepared to deal with that.
+            # What is the same, when Ivan deals with it...
+            # A new decrypting attempt event could be triggered by a
+            # future a library upgrade, or a cli flag to the client,
+            # we just `defer` that for now... :)
+            doc.content[fields.ERROR_DECRYPTING_KEY] = True
+            deferLater(reactor, 0, self._update_incoming_message, doc)
+
+            # FIXME this is just a dirty hack to delay the proper
+            # deferred organization here...
+            # and remember, boys, do not do this at home.
+            return []
+
+        if not isinstance(msg, dict):
+            defer.returnValue(False)
+        if not msg.get(fields.INCOMING_KEY, False):
+            defer.returnValue(False)
+
+        # ok, this is an incoming message
+        rawmsg = msg.get(self.CONTENT_KEY, None)
+        if rawmsg is None:
+            return ""
+        return self._maybe_decrypt_msg(rawmsg)
+
+    def _update_incoming_message(self, doc):
+        """
+        Do a put for a soledad document. This probably has been called only
+        in the case that we've needed to update the ERROR_DECRYPTING_KEY
+        flag in an incoming message, to get it out of the decrypting queue.
+
+        :param doc: the SoledadDocument to update
+        :type doc: SoledadDocument
+        """
+        log.msg("Updating Incoming MSG: SoledadDoc %s" % (doc.doc_id))
+        return self._soledad.put_doc(doc)
+
+    def _delete_incoming_message(self, doc):
+        """
+        Delete document.
+
+        :param doc: the SoledadDocument to delete
+        :type doc: SoledadDocument
+        """
+        log.msg("Deleting Incoming message: %s" % (doc.doc_id,))
+        return self._soledad.delete_doc(doc)
+
+    def _maybe_decrypt_msg(self, data):
+        """
+        Tries to decrypt a gpg message if data looks like one.
+
+        :param data: the text to be decrypted.
+        :type data: str
+
+        :return: a Deferred that will be fired with an str of data, possibly
+                 decrypted.
+        :rtype: Deferred
+        """
+        leap_assert_type(data, str)
+        log.msg('maybe decrypting doc')
+
+        # parse the original message
+        encoding = get_email_charset(data)
+        msg = self._parser.parsestr(data)
+
+        fromHeader = msg.get('from', None)
+        senderAddress = None
+
+        if (fromHeader is not None and
+            (msg.get_content_type() == MULTIPART_ENCRYPTED or
+             msg.get_content_type() == MULTIPART_SIGNED)):
+                senderAddress = parseaddr(fromHeader)[1]
+
+        def add_leap_header(ret):
+            decrmsg, signkey = ret
+            if (senderAddress is None or signkey is None or
+                    isinstance(signkey, keymanager_errors.KeyNotFound)):
+                decrmsg.add_header(
+                    self.LEAP_SIGNATURE_HEADER,
+                    self.LEAP_SIGNATURE_COULD_NOT_VERIFY)
+            elif isinstance(signkey, keymanager_errors.InvalidSignature):
+                decrmsg.add_header(
+                    self.LEAP_SIGNATURE_HEADER,
+                    self.LEAP_SIGNATURE_INVALID)
+            else:
+                self._add_verified_signature_header(decrmsg,
+                                                    signkey.fingerprint)
+            return decrmsg.as_string()
+
+        if msg.get_content_type() == MULTIPART_ENCRYPTED:
+            d = self._decrypt_multipart_encrypted_msg(
+                msg, encoding, senderAddress)
+        elif msg.get_content_type() == MULTIPART_SIGNED:
+            d = self._verify_signature_not_encrypted_msg(msg, senderAddress)
+        else:
+            d = self._maybe_decrypt_inline_encrypted_msg(
+                msg, encoding, senderAddress)
+        d.addCallback(add_leap_header)
+        return d
+
+    def _add_verified_signature_header(self, decrmsg, fingerprint):
+        decrmsg.add_header(
+            self.LEAP_SIGNATURE_HEADER,
+            self.LEAP_SIGNATURE_VALID,
+            pubkey=fingerprint)
+
+    def _add_decrypted_header(self, msg):
+        msg.add_header(self.LEAP_ENCRYPTION_HEADER,
+                       self.LEAP_ENCRYPTION_DECRYPTED)
+
+    def _decrypt_multipart_encrypted_msg(self, msg, encoding, senderAddress):
+        """
+        Decrypt a message with content-type 'multipart/encrypted'.
+
+        :param msg: The original encrypted message.
+        :type msg: Message
+        :param encoding: The encoding of the email message.
+        :type encoding: str
+        :param senderAddress: The email address of the sender of the message.
+        :type senderAddress: str
+
+        :return: A Deferred that will be fired with a tuple containing a
+                 decrypted Message and the signing OpenPGPKey if the signature
+                 is valid or InvalidSignature or KeyNotFound.
+        :rtype: Deferred
+        """
+        log.msg('decrypting multipart encrypted msg')
+        msg = copy.deepcopy(msg)
+        self._msg_multipart_sanity_check(msg)
+
+        # parse message and get encrypted content
+        pgpencmsg = msg.get_payload()[1]
+        encdata = pgpencmsg.get_payload()
+
+        # decrypt or fail gracefully
+        def build_msg(res):
+            decrdata, signkey = res
+
+            decrmsg = self._parser.parsestr(decrdata)
+            # remove original message's multipart/encrypted content-type
+            del(msg['content-type'])
+
+            # replace headers back in original message
+            for hkey, hval in decrmsg.items():
+                try:
+                    # this will raise KeyError if header is not present
+                    msg.replace_header(hkey, hval)
+                except KeyError:
+                    msg[hkey] = hval
+
+            # all ok, replace payload by unencrypted payload
+            msg.set_payload(decrmsg.get_payload())
+            self._add_decrypted_header(msg)
+            return (msg, signkey)
+
+        def verify_signature_after_decrypt_an_email(res):
+            decrdata, signkey = res
+            if decrdata.get_content_type() == MULTIPART_SIGNED:
+                res = self._verify_signature_not_encrypted_msg(decrdata,
+                                                               senderAddress)
+            return res
+
+        d = self._keymanager.decrypt(
+            encdata, self._userid, verify=senderAddress)
+        d.addCallbacks(build_msg, self._decryption_error, errbackArgs=(msg,))
+        d.addCallbacks(verify_signature_after_decrypt_an_email)
+        return d
+
+    def _maybe_decrypt_inline_encrypted_msg(self, origmsg, encoding,
+                                            senderAddress):
+        """
+        Possibly decrypt an inline OpenPGP encrypted message.
+
+        :param origmsg: The original, possibly encrypted message.
+        :type origmsg: Message
+        :param encoding: The encoding of the email message.
+        :type encoding: str
+        :param senderAddress: The email address of the sender of the message.
+        :type senderAddress: str
+
+        :return: A Deferred that will be fired with a tuple containing a
+                 decrypted Message and the signing OpenPGPKey if the signature
+                 is valid or InvalidSignature or KeyNotFound.
+        :rtype: Deferred
+        """
+        log.msg('maybe decrypting inline encrypted msg')
+
+        data = self._serialize_msg(origmsg)
+
+        def decrypted_data(res):
+            decrdata, signkey = res
+            replaced_data = data.replace(pgp_message, decrdata)
+            self._add_decrypted_header(origmsg)
+            return replaced_data, signkey
+
+        def encode_and_return(res):
+            data, signkey = res
+            if isinstance(data, unicode):
+                data = data.encode(encoding, 'replace')
+            return (self._parser.parsestr(data), signkey)
+
+        # handle exactly one inline PGP message
+        if PGP_BEGIN in data:
+            begin = data.find(PGP_BEGIN)
+            end = data.find(PGP_END)
+            pgp_message = data[begin:end + len(PGP_END)]
+            d = self._keymanager.decrypt(
+                pgp_message, self._userid, verify=senderAddress)
+            d.addCallbacks(decrypted_data, self._decryption_error,
+                           errbackArgs=(data,))
+        else:
+            d = defer.succeed((data, None))
+        d.addCallback(encode_and_return)
+        return d
+
+    def _verify_signature_not_encrypted_msg(self, origmsg, sender_address):
+        """
+        Possibly decrypt an inline OpenPGP encrypted message.
+
+        :param origmsg: The original, possibly encrypted message.
+        :type origmsg: Message
+        :param sender_address: The email address of the sender of the message.
+        :type sender_address: str
+
+        :return: A Deferred that will be fired with a tuple containing a
+        signed Message and the signing OpenPGPKey if the signature
+        is valid or InvalidSignature.
+        :rtype: Deferred
+        """
+        msg = copy.deepcopy(origmsg)
+        data = self._serialize_msg(msg.get_payload(0))
+        detached_sig = self._extract_signature(msg)
+        d = self._keymanager.verify(data, sender_address, detached_sig)
+
+        d.addCallback(lambda sign_key: (msg, sign_key))
+        d.addErrback(lambda _: (msg, keymanager_errors.InvalidSignature()))
+        return d
+
+    def _serialize_msg(self, origmsg):
+        buf = StringIO()
+        g = Generator(buf)
+        g.flatten(origmsg)
+        return buf.getvalue()
+
+    def _extract_signature(self, msg):
+        body = msg.get_payload(0).get_payload()
+
+        if isinstance(body, str):
+            body = msg.get_payload(0)
+
+        detached_sig = msg.get_payload(1).get_payload()
+        msg.set_payload(body)
+        return detached_sig
+
+    def _decryption_error(self, failure, msg):
+        """
+        Check for known decryption errors
+        """
+        if failure.check(keymanager_errors.DecryptError):
+            logger.warning('Failed to decrypt encrypted message (%s). '
+                           'Storing message without modifications.'
+                           % str(failure.value))
+            return (msg, None)
+        elif failure.check(keymanager_errors.KeyNotFound):
+            logger.error('Failed to find private key for decryption (%s). '
+                         'Storing message without modifications.'
+                         % str(failure.value))
+            return (msg, None)
+        else:
+            return failure
+
+    @defer.inlineCallbacks
+    def _maybe_extract_keys(self, msgtuple):
+        """
+        Retrieve attached keys to the mesage and parse message headers for an
+        *OpenPGP* header as described on the `IETF draft
+        <http://tools.ietf.org/html/draft-josefsson-openpgp-mailnews-header-06>`
+        only urls with https and the same hostname than the email are supported
+        for security reasons.
+
+        :param msgtuple: a tuple consisting of a SoledadDocument
+                         instance containing the incoming message
+                         and data, the json-encoded, decrypted content of the
+                         incoming message
+        :type msgtuple: (SoledadDocument, str)
+
+        :return: A Deferred that will be fired with msgtuple when key
+                 extraction finishes
+        :rtype: Deferred
+        """
+        OpenPGP_HEADER = 'OpenPGP'
+        doc, data = msgtuple
+
+        # XXX the parsing of the message is done in mailbox.addMessage, maybe
+        #     we should do it in this module so we don't need to parse it again
+        #     here
+        msg = self._parser.parsestr(data)
+        _, fromAddress = parseaddr(msg['from'])
+
+        valid_attachment = False
+        if msg.is_multipart():
+            valid_attachment = yield self._maybe_extract_attached_key(
+                msg.get_payload(), fromAddress)
+
+        if not valid_attachment:
+            header = msg.get(OpenPGP_HEADER, None)
+            if header is not None:
+                yield self._maybe_extract_openpgp_header(header, fromAddress)
+
+        defer.returnValue(msgtuple)
+
+    def _maybe_extract_openpgp_header(self, header, address):
+        """
+        Import keys from the OpenPGP header
+
+        :param header: OpenPGP header string
+        :type header: str
+        :param address: email address in the from header
+        :type address: str
+
+        :return: A Deferred that will be fired when header extraction is done
+        :rtype: Deferred
+        """
+        d = defer.succeed(None)
+        fields = dict([f.strip(' ').split('=') for f in header.split(';')])
+        if 'url' in fields:
+            url = shlex.split(fields['url'])[0]  # remove quotations
+            urlparts = urlparse(url)
+            addressHostname = address.split('@')[1]
+            if (
+                urlparts.scheme == 'https' and
+                urlparts.hostname == addressHostname
+            ):
+                def fetch_error(failure):
+                    if failure.check(keymanager_errors.KeyNotFound):
+                        logger.warning("Url from OpenPGP header %s failed"
+                                       % (url,))
+                    elif failure.check(keymanager_errors.KeyAttributesDiffer):
+                        logger.warning("Key from OpenPGP header url %s didn't "
+                                       "match the from address %s"
+                                       % (url, address))
+                    else:
+                        return failure
+
+                d = self._keymanager.fetch_key(address, url)
+                d.addCallback(
+                    lambda _:
+                    logger.info("Imported key from header %s" % (url,)))
+                d.addErrback(fetch_error)
+            else:
+                logger.debug("No valid url on OpenPGP header %s" % (url,))
+        else:
+            logger.debug("There is no url on the OpenPGP header: %s"
+                         % (header,))
+        return d
+
+    def _maybe_extract_attached_key(self, attachments, address):
+        """
+        Import keys from the attachments
+
+        :param attachments: email attachment list
+        :type attachments: list(email.Message)
+        :param address: email address in the from header
+        :type address: str
+
+        :return: A Deferred that will be fired when all the keys are stored
+                 with a boolean: True if there was a valid key attached, or
+                 False otherwise.
+        :rtype: Deferred
+        """
+        MIME_KEY = "application/pgp-keys"
+
+        def log_key_added(ignored):
+            logger.debug('Added key found in attachment for %s' % address)
+            return True
+
+        def failed_put_key(failure):
+            logger.info("An error has ocurred adding attached key for %s: %s"
+                        % (address, failure.getErrorMessage()))
+            return False
+
+        deferreds = []
+        for attachment in attachments:
+            if MIME_KEY == attachment.get_content_type():
+                d = self._keymanager.put_raw_key(
+                    attachment.get_payload(decode=True), address=address)
+                d.addCallbacks(log_key_added, failed_put_key)
+                deferreds.append(d)
+        d = defer.gatherResults(deferreds)
+        d.addCallback(lambda result: any(result))
+        return d
+
+    def _add_message_locally(self, msgtuple):
+        """
+        Adds a message to local inbox and delete it from the incoming db
+        in soledad.
+
+        :param msgtuple: a tuple consisting of a SoledadDocument
+                         instance containing the incoming message
+                         and data, the json-encoded, decrypted content of the
+                         incoming message
+        :type msgtuple: (SoledadDocument, str)
+
+        :return: A Deferred that will be fired when the messages is stored
+        :rtype: Defferred
+        """
+        doc, raw_data = msgtuple
+        insertion_date = formatdate(time.time())
+        log.msg('adding message %s to local db' % (doc.doc_id,))
+
+        def msgSavedCallback(result):
+            if empty(result):
+                return
+
+            for listener in self._listeners:
+                listener(result)
+
+            def signal_deleted(doc_id):
+                emit_async(catalog.MAIL_MSG_DELETED_INCOMING,
+                           self._userid)
+                return doc_id
+
+            emit_async(catalog.MAIL_MSG_SAVED_LOCALLY, self._userid)
+            d = self._delete_incoming_message(doc)
+            d.addCallback(signal_deleted)
+            return d
+
+        d = self._inbox_collection.add_msg(
+            raw_data, (self.RECENT_FLAG,), date=insertion_date,
+            notify_just_mdoc=True)
+        d.addCallbacks(msgSavedCallback, self._errback)
+        return d
+
+    #
+    # helpers
+    #
+
+    def _msg_multipart_sanity_check(self, msg):
+        """
+        Performs a sanity check against a multipart encrypted msg
+
+        :param msg: The original encrypted message.
+        :type msg: Message
+        """
+        # sanity check
+        payload = msg.get_payload()
+        if len(payload) != 2:
+            raise MalformedMessage(
+                'Multipart/encrypted messages should have exactly 2 body '
+                'parts (instead of %d).' % len(payload))
+        if payload[0].get_content_type() != 'application/pgp-encrypted':
+            raise MalformedMessage(
+                "Multipart/encrypted messages' first body part should "
+                "have content type equal to 'application/pgp-encrypted' "
+                "(instead of %s)." % payload[0].get_content_type())
+        if payload[1].get_content_type() != 'application/octet-stream':
+            raise MalformedMessage(
+                "Multipart/encrypted messages' second body part should "
+                "have content type equal to 'octet-stream' (instead of "
+                "%s)." % payload[1].get_content_type())
+
+    def _is_msg(self, keys):
+        """
+        Checks if the keys of a dictionary match the signature
+        of the document type we use for messages.
+
+        :param keys: iterable containing the strings to match.
+        :type keys: iterable of strings.
+        :rtype: bool
+        """
+        return ENC_SCHEME_KEY in keys and ENC_JSON_KEY in keys
diff --git a/src/leap/bitmask/mail/incoming/tests/rfc822.multi-encrypt-signed.message b/src/leap/bitmask/mail/incoming/tests/rfc822.multi-encrypt-signed.message
new file mode 100644
index 0000000..98304f2
--- /dev/null
+++ b/src/leap/bitmask/mail/incoming/tests/rfc822.multi-encrypt-signed.message
@@ -0,0 +1,61 @@
+Content-Type: multipart/encrypted;
+    boundary="Apple-Mail=_C01A1464-6C43-43BF-8F62-157335B7E25B";
+    protocol="application/pgp-encrypted";
+Subject: Enc signed
+Mime-Version: 1.0 (Mac OS X Mail 9.3 \(3124\))
+From: Leap Test Key <leap@leap.se>
+Date: Tue, 24 May 2016 11:47:24 -0300
+Content-Description: OpenPGP encrypted message
+To: leap@leap.se
+
+This is an OpenPGP/MIME encrypted message (RFC 2440 and 3156)
+--Apple-Mail=_C01A1464-6C43-43BF-8F62-157335B7E25B
+Content-Type: application/pgp-encrypted
+Content-Description: PGP/MIME Versions Identification
+
+--Apple-Mail=_C01A1464-6C43-43BF-8F62-157335B7E25B
+Content-Disposition: inline;
+    filename=encrypted.asc
+Content-Type: application/octet-stream;
+    name=encrypted.asc
+Content-Description: OpenPGP encrypted message
+
+-----BEGIN PGP MESSAGE-----
+Version: GnuPG v2
+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tEyc
+-----END PGP MESSAGE-----
+
+--Apple-Mail=_C01A1464-6C43-43BF-8F62-157335B7E25B--
\ No newline at end of file
diff --git a/src/leap/bitmask/mail/incoming/tests/test_incoming_mail.py b/src/leap/bitmask/mail/incoming/tests/test_incoming_mail.py
new file mode 100644
index 0000000..29422ec
--- /dev/null
+++ b/src/leap/bitmask/mail/incoming/tests/test_incoming_mail.py
@@ -0,0 +1,391 @@
+# -*- coding: utf-8 -*-
+# test_incoming_mail.py
+# Copyright (C) 2015 LEAP
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+"""
+Test case for leap.mail.incoming.service
+
+@authors: Ruben Pollan, <meskio@sindominio.net>
+
+@license: GPLv3, see included LICENSE file
+"""
+
+import json
+import os
+import tempfile
+import uuid
+
+from email.mime.application import MIMEApplication
+from email.mime.multipart import MIMEMultipart
+from email.parser import Parser
+from mock import Mock
+
+from twisted.internet import defer
+from twisted.python import log
+
+from leap.keymanager.errors import KeyAddressMismatch
+from leap.mail.adaptors import soledad_indexes as fields
+from leap.mail.adaptors.soledad import cleanup_deferred_locks
+from leap.mail.adaptors.soledad import SoledadMailAdaptor
+from leap.mail.mail import MessageCollection
+from leap.mail.mailbox_indexer import MailboxIndexer
+
+from leap.mail.incoming.service import IncomingMail
+from leap.mail.rfc3156 import MultipartEncrypted, PGPEncrypted
+from leap.mail.testing import KeyManagerWithSoledadTestCase
+from leap.mail.testing import ADDRESS, ADDRESS_2
+from leap.soledad.common.document import SoledadDocument
+from leap.soledad.common.crypto import (
+    EncryptionSchemes,
+    ENC_JSON_KEY,
+    ENC_SCHEME_KEY,
+)
+
+HERE = os.path.split(os.path.abspath(__file__))[0]
+
+# TODO: add some tests for encrypted, unencrypted, signed and unsgined messages
+
+
+class IncomingMailTestCase(KeyManagerWithSoledadTestCase):
+    """
+    Tests for the incoming mail parser
+    """
+    NICKSERVER = "http://domain"
+    BODY = """
+Governments of the Industrial World, you weary giants of flesh and steel, I
+come from Cyberspace, the new home of Mind. On behalf of the future, I ask
+you of the past to leave us alone. You are not welcome among us. You have
+no sovereignty where we gather.
+    """
+    EMAIL = """from: Test from SomeDomain <%(from)s>
+to: %(to)s
+subject: independence of cyberspace
+
+%(body)s
+    """ % {
+        "from": ADDRESS_2,
+        "to": ADDRESS,
+        "body": BODY
+    }
+
+    def setUp(self):
+        cleanup_deferred_locks()
+        try:
+            del self._soledad
+            del self.km
+        except AttributeError:
+            pass
+
+        # pytest handles correctly the setupEnv for the class,
+        # but trial ignores it.
+        if not getattr(self, 'tempdir', None):
+            self.tempdir = tempfile.mkdtemp()
+
+        def getCollection(_):
+            adaptor = SoledadMailAdaptor()
+            store = self._soledad
+            adaptor.store = store
+            mbox_indexer = MailboxIndexer(store)
+            mbox_name = "INBOX"
+            mbox_uuid = str(uuid.uuid4())
+
+            def get_collection_from_mbox_wrapper(wrapper):
+                wrapper.uuid = mbox_uuid
+                return MessageCollection(
+                    adaptor, store,
+                    mbox_indexer=mbox_indexer, mbox_wrapper=wrapper)
+
+            d = adaptor.initialize_store(store)
+            d.addCallback(lambda _: mbox_indexer.create_table(mbox_uuid))
+            d.addCallback(
+                lambda _: adaptor.get_or_create_mbox(store, mbox_name))
+            d.addCallback(get_collection_from_mbox_wrapper)
+            return d
+
+        def setUpFetcher(inbox_collection):
+            self.fetcher = IncomingMail(
+                self.km,
+                self._soledad,
+                inbox_collection,
+                ADDRESS)
+
+            # The messages don't exist on soledad will fail on deletion
+            self.fetcher._delete_incoming_message = Mock(
+                return_value=defer.succeed(None))
+
+        d = KeyManagerWithSoledadTestCase.setUp(self)
+        d.addCallback(getCollection)
+        d.addCallback(setUpFetcher)
+        d.addErrback(log.err)
+        return d
+
+    def tearDown(self):
+        d = KeyManagerWithSoledadTestCase.tearDown(self)
+        return d
+
+    def testExtractOpenPGPHeader(self):
+        """
+        Test the OpenPGP header key extraction
+        """
+        KEYURL = "https://leap.se/key.txt"
+        OpenPGP = "id=12345678; url=\"%s\"; preference=signencrypt" % (KEYURL,)
+
+        message = Parser().parsestr(self.EMAIL)
+        message.add_header("OpenPGP", OpenPGP)
+        self.fetcher._keymanager.fetch_key = Mock(
+            return_value=defer.succeed(None))
+
+        def fetch_key_called(ret):
+            self.fetcher._keymanager.fetch_key.assert_called_once_with(
+                ADDRESS_2, KEYURL)
+
+        d = self._create_incoming_email(message.as_string())
+        d.addCallback(
+            lambda email:
+            self._mock_soledad_get_from_index(fields.JUST_MAIL_IDX, [email]))
+        d.addCallback(lambda _: self.fetcher.fetch())
+        d.addCallback(fetch_key_called)
+        return d
+
+    def testExtractOpenPGPHeaderInvalidUrl(self):
+        """
+        Test the OpenPGP header key extraction
+        """
+        KEYURL = "https://someotherdomain.com/key.txt"
+        OpenPGP = "id=12345678; url=\"%s\"; preference=signencrypt" % (KEYURL,)
+
+        message = Parser().parsestr(self.EMAIL)
+        message.add_header("OpenPGP", OpenPGP)
+        self.fetcher._keymanager.fetch_key = Mock()
+
+        def fetch_key_called(ret):
+            self.assertFalse(self.fetcher._keymanager.fetch_key.called)
+
+        d = self._create_incoming_email(message.as_string())
+        d.addCallback(
+            lambda email:
+            self._mock_soledad_get_from_index(fields.JUST_MAIL_IDX, [email]))
+        d.addCallback(lambda _: self.fetcher.fetch())
+        d.addCallback(fetch_key_called)
+        return d
+
+    def testExtractAttachedKey(self):
+        KEY = "-----BEGIN PGP PUBLIC KEY BLOCK-----\n..."
+
+        message = MIMEMultipart()
+        message.add_header("from", ADDRESS_2)
+        key = MIMEApplication("", "pgp-keys")
+        key.set_payload(KEY)
+        message.attach(key)
+        self.fetcher._keymanager.put_raw_key = Mock(
+            return_value=defer.succeed(None))
+
+        def put_raw_key_called(_):
+            self.fetcher._keymanager.put_raw_key.assert_called_once_with(
+                KEY, address=ADDRESS_2)
+
+        d = self._do_fetch(message.as_string())
+        d.addCallback(put_raw_key_called)
+        return d
+
+    def testExtractInvalidAttachedKey(self):
+        KEY = "-----BEGIN PGP PUBLIC KEY BLOCK-----\n..."
+
+        message = MIMEMultipart()
+        message.add_header("from", ADDRESS_2)
+        key = MIMEApplication("", "pgp-keys")
+        key.set_payload(KEY)
+        message.attach(key)
+        self.fetcher._keymanager.put_raw_key = Mock(
+            return_value=defer.fail(KeyAddressMismatch()))
+
+        def put_raw_key_called(_):
+            self.fetcher._keymanager.put_raw_key.assert_called_once_with(
+                KEY, address=ADDRESS_2)
+
+        d = self._do_fetch(message.as_string())
+        d.addCallback(put_raw_key_called)
+        d.addErrback(log.err)
+        return d
+
+    def testExtractAttachedKeyAndNotOpenPGPHeader(self):
+        KEY = "-----BEGIN PGP PUBLIC KEY BLOCK-----\n..."
+        KEYURL = "https://leap.se/key.txt"
+        OpenPGP = "id=12345678; url=\"%s\"; preference=signencrypt" % (KEYURL,)
+
+        message = MIMEMultipart()
+        message.add_header("from", ADDRESS_2)
+        message.add_header("OpenPGP", OpenPGP)
+        key = MIMEApplication("", "pgp-keys")
+        key.set_payload(KEY)
+        message.attach(key)
+
+        self.fetcher._keymanager.put_raw_key = Mock(
+            return_value=defer.succeed(None))
+        self.fetcher._keymanager.fetch_key = Mock()
+
+        def put_raw_key_called(_):
+            self.fetcher._keymanager.put_raw_key.assert_called_once_with(
+                KEY, address=ADDRESS_2)
+            self.assertFalse(self.fetcher._keymanager.fetch_key.called)
+
+        d = self._do_fetch(message.as_string())
+        d.addCallback(put_raw_key_called)
+        return d
+
+    def testExtractOpenPGPHeaderIfInvalidAttachedKey(self):
+        KEY = "-----BEGIN PGP PUBLIC KEY BLOCK-----\n..."
+        KEYURL = "https://leap.se/key.txt"
+        OpenPGP = "id=12345678; url=\"%s\"; preference=signencrypt" % (KEYURL,)
+
+        message = MIMEMultipart()
+        message.add_header("from", ADDRESS_2)
+        message.add_header("OpenPGP", OpenPGP)
+        key = MIMEApplication("", "pgp-keys")
+        key.set_payload(KEY)
+        message.attach(key)
+
+        self.fetcher._keymanager.put_raw_key = Mock(
+            return_value=defer.fail(KeyAddressMismatch()))
+        self.fetcher._keymanager.fetch_key = Mock()
+
+        def put_raw_key_called(_):
+            self.fetcher._keymanager.put_raw_key.assert_called_once_with(
+                KEY, address=ADDRESS_2)
+            self.fetcher._keymanager.fetch_key.assert_called_once_with(
+                ADDRESS_2, KEYURL)
+
+        d = self._do_fetch(message.as_string())
+        d.addCallback(put_raw_key_called)
+        return d
+
+    def testAddDecryptedHeader(self):
+        class DummyMsg():
+
+            def __init__(self):
+                self.headers = {}
+
+            def add_header(self, k, v):
+                self.headers[k] = v
+
+        msg = DummyMsg()
+        self.fetcher._add_decrypted_header(msg)
+
+        self.assertEquals(msg.headers['X-Leap-Encryption'], 'decrypted')
+
+    def testDecryptEmail(self):
+
+        self.fetcher._decryption_error = Mock()
+        self.fetcher._add_decrypted_header = Mock()
+
+        def create_encrypted_message(encstr):
+            message = Parser().parsestr(self.EMAIL)
+            newmsg = MultipartEncrypted('application/pgp-encrypted')
+            for hkey, hval in message.items():
+                newmsg.add_header(hkey, hval)
+
+            encmsg = MIMEApplication(
+                encstr, _subtype='octet-stream', _encoder=lambda x: x)
+            encmsg.add_header('content-disposition', 'attachment',
+                              filename='msg.asc')
+            # create meta message
+            metamsg = PGPEncrypted()
+            metamsg.add_header('Content-Disposition', 'attachment')
+            # attach pgp message parts to new message
+            newmsg.attach(metamsg)
+            newmsg.attach(encmsg)
+            return newmsg
+
+        def decryption_error_not_called(_):
+            self.assertFalse(self.fetcher._decryption_error.called,
+                             "There was some errors with decryption")
+
+        def add_decrypted_header_called(_):
+            self.assertTrue(self.fetcher._add_decrypted_header.called,
+                            "There was some errors with decryption")
+
+        d = self.km.encrypt(self.EMAIL, ADDRESS, sign=ADDRESS_2)
+        d.addCallback(create_encrypted_message)
+        d.addCallback(
+            lambda message:
+            self._do_fetch(message.as_string()))
+        d.addCallback(decryption_error_not_called)
+        d.addCallback(add_decrypted_header_called)
+        return d
+
+    def testValidateSignatureFromEncryptedEmailFromAppleMail(self):
+        enc_signed_file = os.path.join(
+            HERE, 'rfc822.multi-encrypt-signed.message')
+        self.fetcher._add_verified_signature_header = Mock()
+
+        def add_verified_signature_header_called(_):
+            self.assertTrue(self.fetcher._add_verified_signature_header.called,
+                            "There was some errors verifying signature")
+
+        with open(enc_signed_file) as f:
+            enc_signed_raw = f.read()
+
+        d = self._do_fetch(enc_signed_raw)
+        d.addCallback(add_verified_signature_header_called)
+        return d
+
+    def testListener(self):
+        self.called = False
+
+        def listener(uid):
+            self.called = True
+
+        def listener_called(_):
+            self.assertTrue(self.called)
+
+        self.fetcher.add_listener(listener)
+        d = self._do_fetch(self.EMAIL)
+        d.addCallback(listener_called)
+        return d
+
+    def _do_fetch(self, message):
+        d = self._create_incoming_email(message)
+        d.addCallback(
+            lambda email:
+            self._mock_soledad_get_from_index(fields.JUST_MAIL_IDX, [email]))
+        d.addCallback(lambda _: self.fetcher.fetch())
+        return d
+
+    def _create_incoming_email(self, email_str):
+        email = SoledadDocument()
+        data = json.dumps(
+            {"incoming": True, "content": email_str},
+            ensure_ascii=False)
+
+        def set_email_content(encr_data):
+            email.content = {
+                fields.INCOMING_KEY: True,
+                fields.ERROR_DECRYPTING_KEY: False,
+                ENC_SCHEME_KEY: EncryptionSchemes.PUBKEY,
+                ENC_JSON_KEY: encr_data
+            }
+            return email
+        d = self.km.encrypt(data, ADDRESS, fetch_remote=False)
+        d.addCallback(set_email_content)
+        return d
+
+    def _mock_soledad_get_from_index(self, index_name, value):
+        get_from_index = self._soledad.get_from_index
+
+        def soledad_mock(idx_name, *key_values):
+            if index_name == idx_name:
+                return defer.succeed(value)
+            return get_from_index(idx_name, *key_values)
+        self.fetcher._soledad.get_from_index = Mock(side_effect=soledad_mock)
diff --git a/src/leap/bitmask/mail/interfaces.py b/src/leap/bitmask/mail/interfaces.py
new file mode 100644
index 0000000..10f5123
--- /dev/null
+++ b/src/leap/bitmask/mail/interfaces.py
@@ -0,0 +1,215 @@
+# -*- coding: utf-8 -*-
+# interfaces.py
+# Copyright (C) 2014,2015 LEAP
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+"""
+Interfaces for the leap.mail module.
+"""
+from zope.interface import Interface, Attribute
+
+
+class IMessageWrapper(Interface):
+    """
+    I know how to access the different parts into which a given message is
+    splitted into.
+
+    :ivar fdoc: dict with flag document.
+    :ivar hdoc: dict with flag document.
+    :ivar cdocs: dict with content-documents, one-indexed.
+    """
+
+    fdoc = Attribute('A dictionaly-like containing the flags document '
+                     '(mutable)')
+    hdoc = Attribute('A dictionary-like containing the headers document '
+                     '(immutable)')
+    cdocs = Attribute('A dictionary with the content-docs, one-indexed')
+
+    def create(self, store, notify_just_mdoc=False, pending_inserts_dict={}):
+        """
+        Create the underlying wrapper.
+        """
+
+    def update(self, store):
+        """
+        Update the only mutable parts, which are within the flags document.
+        """
+
+    def delete(self, store):
+        """
+        Delete the parts for this wrapper that are not referenced from anywhere
+        else.
+        """
+
+    def copy(self, store, new_mbox_uuid):
+        """
+        Return a copy of this IMessageWrapper in a new mailbox.
+        """
+
+    def set_mbox_uuid(self, mbox_uuid):
+        """
+        Set the mailbox for this wrapper.
+        """
+
+    def set_flags(self, flags):
+        """
+        """
+
+    def set_tags(self, tags):
+        """
+        """
+
+    def set_date(self, date):
+        """
+        """
+
+    def get_subpart_dict(self, index):
+        """
+        :param index: the part to lookup, 1-indexed
+        """
+
+    def get_subpart_indexes(self):
+        """
+        """
+
+    def get_body(self, store):
+        """
+        """
+
+
+# TODO -- split into smaller interfaces? separate mailbox interface at least?
+
+class IMailAdaptor(Interface):
+    """
+    I know how to store the standard representation for messages and mailboxes,
+    and how to update the relevant mutable parts when needed.
+    """
+
+    def initialize_store(self, store):
+        """
+        Performs whatever initialization is needed before the store can be
+        used (creating indexes, sanity checks, etc).
+
+        :param store: store
+        :returns: a Deferred that will fire when the store is correctly
+                  initialized.
+        :rtype: deferred
+        """
+
+    def get_msg_from_string(self, MessageClass, raw_msg):
+        """
+        Get an instance of a MessageClass initialized with a MessageWrapper
+        that contains all the parts obtained from parsing the raw string for
+        the message.
+
+        :param MessageClass: an implementor of IMessage
+        :type raw_msg: str
+        :rtype: implementor of leap.mail.IMessage
+        """
+
+    def get_msg_from_docs(self, MessageClass, mdoc, fdoc, hdoc, cdocs=None,
+                          uid=None):
+        """
+        Get an instance of a MessageClass initialized with a MessageWrapper
+        that contains the passed part documents.
+
+        This is not the recommended way of obtaining a message, unless you know
+        how to take care of ensuring the internal consistency between the part
+        documents, or unless you are glueing together the part documents that
+        have been previously generated by `get_msg_from_string`.
+        """
+
+    def get_flags_from_mdoc_id(self, store, mdoc_id):
+        """
+        """
+
+    def create_msg(self, store, msg):
+        """
+        :param store: an instance of soledad, or anything that behaves alike
+        :param msg: a Message object.
+
+        :return: a Deferred that is fired when all the underlying documents
+                 have been created.
+        :rtype: defer.Deferred
+        """
+
+    def update_msg(self, store, msg):
+        """
+        :param msg: a Message object.
+        :param store: an instance of soledad, or anything that behaves alike
+        :return: a Deferred that is fired when all the underlying documents
+                 have been updated (actually, it's only the fdoc that's allowed
+                 to update).
+        :rtype: defer.Deferred
+        """
+
+    def get_count_unseen(self, store, mbox_uuid):
+        """
+        Get the number of unseen messages for a given mailbox.
+
+        :param store: instance of Soledad.
+        :param mbox_uuid: the uuid for this mailbox.
+        :rtype: int
+        """
+
+    def get_count_recent(self, store, mbox_uuid):
+        """
+        Get the number of recent messages for a given mailbox.
+
+        :param store: instance of Soledad.
+        :param mbox_uuid: the uuid for this mailbox.
+        :rtype: int
+        """
+
+    def get_mdoc_id_from_msgid(self, store, mbox_uuid, msgid):
+        """
+        Get the UID for a message with the passed msgid (the one in the headers
+        msg-id).
+        This is used by the MUA to retrieve the recently saved draft.
+        """
+
+    # mbox handling
+
+    def get_or_create_mbox(self, store, name):
+        """
+        Get the mailbox with the given name, or create one if it does not
+        exist.
+
+        :param store: instance of Soledad
+        :param name: the name of the mailbox
+        :type name: str
+        """
+
+    def update_mbox(self, store, mbox_wrapper):
+        """
+        Update the documents for a given mailbox.
+        :param mbox_wrapper: MailboxWrapper instance
+        :type mbox_wrapper: MailboxWrapper
+        :return: a Deferred that will be fired when the mailbox documents
+                 have been updated.
+        :rtype: defer.Deferred
+        """
+
+    def delete_mbox(self, store, mbox_wrapper):
+        """
+        """
+
+    def get_all_mboxes(self, store):
+        """
+        Retrieve a list with wrappers for all the mailboxes.
+
+        :return: a deferred that will be fired with a list of all the
+                 MailboxWrappers found.
+        :rtype: defer.Deferred
+        """
diff --git a/src/leap/bitmask/mail/load_tests.py b/src/leap/bitmask/mail/load_tests.py
new file mode 100644
index 0000000..be65b8d
--- /dev/null
+++ b/src/leap/bitmask/mail/load_tests.py
@@ -0,0 +1,29 @@
+# -*- coding: utf-8 -*-
+# tests.py
+# Copyright (C) 2013 LEAP
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+"""
+Provide a function for loading tests.
+"""
+import unittest
+
+
+def load_tests():
+    suite = unittest.TestSuite()
+    for test in unittest.defaultTestLoader.discover(
+            './src/leap/mail/',
+            top_level_dir='./src/'):
+        suite.addTest(test)
+    return suite
diff --git a/src/leap/bitmask/mail/mail.py b/src/leap/bitmask/mail/mail.py
new file mode 100644
index 0000000..2fde3a1
--- /dev/null
+++ b/src/leap/bitmask/mail/mail.py
@@ -0,0 +1,1070 @@
+# -*- coding: utf-8 -*-
+# mail.py
+# Copyright (C) 2014,2015 LEAP
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+"""
+Generic Access to Mail objects.
+
+This module holds the public LEAP Mail API, which should be viewed as the main
+entry point for message and account manipulation, in a protocol-agnostic way.
+
+In the future, pluggable transports will expose this generic API.
+"""
+import itertools
+import uuid
+import logging
+import StringIO
+import time
+import weakref
+
+from collections import defaultdict
+
+from twisted.internet import defer
+from twisted.python import log
+
+from leap.common.check import leap_assert_type
+from leap.common.events import emit_async, catalog
+
+from leap.mail.adaptors.soledad import SoledadMailAdaptor
+from leap.mail.constants import INBOX_NAME
+from leap.mail.constants import MessageFlags
+from leap.mail.mailbox_indexer import MailboxIndexer
+from leap.mail.plugins import soledad_sync_hooks
+from leap.mail.utils import find_charset, CaseInsensitiveDict
+from leap.mail.utils import lowerdict
+
+logger = logging.getLogger(name=__name__)
+
+
+# TODO LIST
+# [ ] Probably change the name of this module to "api" or "account", mail is
+#     too generic (there's also IncomingMail, and OutgoingMail
+# [ ] Profile add_msg.
+
+def _get_mdoc_id(mbox, chash):
+    """
+    Get the doc_id for the metamsg document.
+    """
+    return "M+{mbox}+{chash}".format(mbox=mbox, chash=chash)
+
+
+def _write_and_rewind(payload):
+    fd = StringIO.StringIO()
+    fd.write(payload)
+    fd.seek(0)
+    return fd
+
+
+def _encode_payload(payload, ctype=""):
+    """
+    Properly encode an unicode payload (which can be string or unicode) as a
+    string.
+
+    :param payload: the payload to encode. currently soledad returns unicode
+                    strings.
+    :type payload: basestring
+    :param ctype: optional, the content of the content-type header for this
+                  payload.
+    :type ctype: str
+    :rtype: str
+    """
+    # TODO Related, it's proposed that we're able to pass
+    # the encoding to the soledad documents. Better to store the charset there?
+    # FIXME -----------------------------------------------
+    # this need a dedicated test-suite
+    charset = find_charset(ctype)
+
+    # XXX get from mail headers if not multipart!
+    # Beware also that we should pass the proper encoding to
+    # soledad when it's creating the documents.
+    # if not charset:
+    # charset = get_email_charset(payload)
+    # -----------------------------------------------------
+
+    if not charset:
+        charset = "utf-8"
+
+    try:
+        if isinstance(payload, unicode):
+            payload = payload.encode(charset)
+    except UnicodeError as exc:
+        logger.error(
+            "Unicode error, using 'replace'. {0!r}".format(exc))
+        payload = payload.encode(charset, 'replace')
+    return payload
+
+
+def _unpack_headers(headers_dict):
+    """
+    Take a "packed" dict containing headers (with repeated keys represented as
+    line breaks inside each value, preceded by the header key) and return a
+    list of tuples in which each repeated key has a different tuple.
+    """
+    headers_l = headers_dict.items()
+    for i, (k, v) in enumerate(headers_l):
+        splitted = v.split(k.lower() + ": ")
+        if len(splitted) != 1:
+            inner = zip(
+                itertools.cycle([k]),
+                map(lambda l: l.rstrip('\n'), splitted))
+            headers_l = headers_l[:i] + inner + headers_l[i + 1:]
+    return headers_l
+
+
+class MessagePart(object):
+    # TODO This class should be better abstracted from the data model.
+    # TODO support arbitrarily nested multiparts (right now we only support
+    #      the trivial case)
+    """
+    Represents a part of a multipart MIME Message.
+    """
+
+    def __init__(self, part_map, cdocs=None, nested=False):
+        """
+        :param part_map: a dictionary mapping the subparts for
+                         this MessagePart (1-indexed).
+        :type part_map: dict
+
+        The format for the part_map is as follows:
+
+        {u'ctype': u'text/plain',
+        u'headers': [[u'Content-Type', u'text/plain; charset="utf-8"'],
+                     [u'Content-Transfer-Encoding', u'8bit']],
+        u'multi': False,
+        u'parts': 1,
+        u'phash': u'02D82B29F6BB0C8612D1C',
+        u'size': 132}
+
+        :param cdocs: optional, a reference to the top-level dict of wrappers
+                      for content-docs (1-indexed).
+        """
+        if cdocs is None:
+            cdocs = {}
+        self._pmap = part_map
+        self._cdocs = cdocs
+        self._nested = nested
+
+    def get_size(self):
+        """
+        Size of the body, in octets.
+        """
+        total = self._pmap['size']
+        _h = self.get_headers()
+        headers = len(
+            '\n'.join(["%s: %s" % (k, v) for k, v in dict(_h).items()]))
+        # have to subtract 2 blank lines
+        return total - headers - 2
+
+    def get_body_file(self):
+        payload = ""
+        pmap = self._pmap
+
+        multi = pmap.get('multi')
+        if not multi:
+            payload = self._get_payload(pmap.get('phash'))
+        if payload:
+            payload = _encode_payload(payload)
+
+        return _write_and_rewind(payload)
+
+    def get_headers(self):
+        return CaseInsensitiveDict(self._pmap.get("headers", []))
+
+    def is_multipart(self):
+        return self._pmap.get("multi", False)
+
+    def get_subpart(self, part):
+        if not self.is_multipart():
+            raise TypeError
+        sub_pmap = self._pmap.get("part_map", {})
+
+        try:
+            part_map = sub_pmap[str(part)]
+        except KeyError:
+            log.msg("getSubpart for %s: KeyError" % (part,))
+            raise IndexError
+        return MessagePart(part_map, cdocs=self._cdocs, nested=True)
+
+    def _get_payload(self, phash):
+        for cdocw in self._cdocs.values():
+            if cdocw.phash == phash:
+                return cdocw.raw
+        return ""
+
+
+class Message(object):
+    """
+    Represents a single message, and gives access to all its attributes.
+    """
+
+    def __init__(self, wrapper, uid=None):
+        """
+        :param wrapper: an instance of an implementor of IMessageWrapper
+        :param uid:
+        :type uid: int
+        """
+        self._wrapper = wrapper
+        self._uid = uid
+
+    def get_wrapper(self):
+        """
+        Get the wrapper for this message.
+        """
+        return self._wrapper
+
+    def get_uid(self):
+        """
+        Get the (optional) UID.
+        """
+        return self._uid
+
+    # imap.IMessage methods
+
+    def get_flags(self):
+        """
+        Get flags for this message.
+        :rtype: tuple
+        """
+        return self._wrapper.fdoc.get_flags()
+
+    def get_internal_date(self):
+        """
+        Retrieve the date internally associated with this message
+
+        According to the spec, this is NOT the date and time in the
+        RFC-822 header, but rather a date and time that reflects when the
+        message was received.
+
+        * In SMTP, date and time of final delivery.
+        * In COPY, internal date/time of the source message.
+        * In APPEND, date/time specified.
+
+        :return: An RFC822-formatted date string.
+        :rtype: str
+        """
+        return self._wrapper.hdoc.date
+
+    # imap.IMessageParts
+
+    def get_headers(self):
+        """
+        Get the raw headers document.
+        """
+        return CaseInsensitiveDict(self._wrapper.hdoc.headers)
+
+    def get_body_file(self, store):
+        """
+        Get a file descriptor with the body content.
+        """
+        def write_and_rewind_if_found(cdoc):
+            payload = cdoc.raw if cdoc else ""
+            # XXX pass ctype from headers if not multipart?
+            if payload:
+                payload = _encode_payload(payload, ctype=cdoc.content_type)
+            return _write_and_rewind(payload)
+
+        d = defer.maybeDeferred(self._wrapper.get_body, store)
+        d.addCallback(write_and_rewind_if_found)
+        return d
+
+    def get_size(self):
+        """
+        Size of the whole message, in octets (including headers).
+        """
+        total = self._wrapper.fdoc.size
+        return total
+
+    def is_multipart(self):
+        """
+        Return True if this message is multipart.
+        """
+        return self._wrapper.fdoc.multi
+
+    def get_subpart(self, part):
+        """
+        :param part: The number of the part to retrieve, indexed from 1.
+        :type part: int
+        :rtype: MessagePart
+        """
+        if not self.is_multipart():
+            raise TypeError
+        try:
+            subpart_dict = self._wrapper.get_subpart_dict(part)
+        except KeyError:
+            raise IndexError
+
+        return MessagePart(
+            subpart_dict, cdocs=self._wrapper.cdocs)
+
+    # Custom methods.
+
+    def get_tags(self):
+        """
+        Get the tags for this message.
+        """
+        return tuple(self._wrapper.fdoc.tags)
+
+
+class Flagsmode(object):
+    """
+    Modes for setting the flags/tags.
+    """
+    APPEND = 1
+    REMOVE = -1
+    SET = 0
+
+
+class MessageCollection(object):
+    """
+    A generic collection of messages. It can be messages sharing the same
+    mailbox, tag, the result of a given query, or just a bunch of ids for
+    master documents.
+
+    Since LEAP Mail is primarily oriented to store mail in Soledad, the default
+    (and, so far, only) implementation of the store is contained in the
+    Soledad Mail Adaptor, which is passed to every collection on creation by
+    the root Account object. If you need to use a different adaptor, change the
+    adaptor class attribute in your Account object.
+
+    Store is a reference to a particular instance of the message store (soledad
+    instance or proxy, for instance).
+    """
+
+    # TODO LIST
+    # [ ] look at IMessageSet methods
+    # [ ] make constructor with a per-instance deferredLock to use on
+    #     creation/deletion?
+    # [ ] instead of a mailbox, we could pass an arbitrary container with
+    #     pointers to different doc_ids (type: foo)
+    # [ ] To guarantee synchronicity of the documents sent together during a
+    #     sync, we could get hold of a deferredLock that inhibits
+    #     synchronization while we are updating (think more about this!)
+    # [ ] review the serveral count_ methods. I think it's better to patch
+    #     server to accept deferreds.
+    # [ ] Use inheritance for the mailbox-collection instead of handling the
+    #     special cases everywhere?
+    # [ ] or maybe a mailbox_only decorator...
+
+    # Account should provide an adaptor instance when creating this collection.
+    adaptor = None
+    store = None
+    messageklass = Message
+
+    _pending_inserts = dict()
+
+    def __init__(self, adaptor, store, mbox_indexer=None, mbox_wrapper=None):
+        """
+        Constructor for a MessageCollection.
+        """
+        self.adaptor = adaptor
+        self.store = store
+
+        # XXX think about what to do when there is no mbox passed to
+        # the initialization. We could still get the MetaMsg by index, instead
+        # of by doc_id. See get_message_by_content_hash
+        self.mbox_indexer = mbox_indexer
+        self.mbox_wrapper = mbox_wrapper
+        self._listeners = set([])
+
+    def is_mailbox_collection(self):
+        """
+        Return True if this collection represents a Mailbox.
+        :rtype: bool
+        """
+        return bool(self.mbox_wrapper)
+
+    @property
+    def mbox_name(self):
+        # TODO raise instead?
+        if self.mbox_wrapper is None:
+            return None
+        return self.mbox_wrapper.mbox
+
+    @property
+    def mbox_uuid(self):
+        # TODO raise instead?
+        if self.mbox_wrapper is None:
+            return None
+        return self.mbox_wrapper.uuid
+
+    def get_mbox_attr(self, attr):
+        if self.mbox_wrapper is None:
+            raise RuntimeError("This is not a mailbox collection")
+        return getattr(self.mbox_wrapper, attr)
+
+    def set_mbox_attr(self, attr, value):
+        if self.mbox_wrapper is None:
+            raise RuntimeError("This is not a mailbox collection")
+        setattr(self.mbox_wrapper, attr, value)
+        return self.mbox_wrapper.update(self.store)
+
+    # Get messages
+
+    def get_message_by_content_hash(self, chash, get_cdocs=False):
+        """
+        Retrieve a message by its content hash.
+        :rtype: Deferred
+        """
+        if not self.is_mailbox_collection():
+            # TODO instead of getting the metamsg by chash, in this case we
+            # should query by (meta) index or use the internal collection of
+            # pointers-to-docs.
+            raise NotImplementedError()
+
+        metamsg_id = _get_mdoc_id(self.mbox_name, chash)
+
+        return self.adaptor.get_msg_from_mdoc_id(
+            self.messageklass, self.store,
+            metamsg_id, get_cdocs=get_cdocs)
+
+    def get_message_by_sequence_number(self, msn, get_cdocs=False):
+        """
+        Retrieve a message by its Message Sequence Number.
+        :rtype: Deferred
+        """
+        def get_uid_for_msn(all_uid):
+            return all_uid[msn - 1]
+        d = self.all_uid_iter()
+        d.addCallback(get_uid_for_msn)
+        d.addCallback(
+            lambda uid: self.get_message_by_uid(
+                uid, get_cdocs=get_cdocs))
+        d.addErrback(lambda f: log.err(f))
+        return d
+
+    def get_message_by_uid(self, uid, absolute=True, get_cdocs=False):
+        """
+        Retrieve a message by its Unique Identifier.
+
+        If this is a Mailbox collection, that is the message UID, unique for a
+        given mailbox, or a relative sequence number depending on the absolute
+        flag. For now, only absolute identifiers are supported.
+        :rtype: Deferred
+        """
+        # TODO deprecate absolute flag, it doesn't make sense UID and
+        # !absolute. use _by_sequence_number instead.
+        if not absolute:
+            raise NotImplementedError("Does not support relative ids yet")
+
+        get_doc_fun = self.mbox_indexer.get_doc_id_from_uid
+
+        def get_msg_from_mdoc_id(doc_id):
+            if doc_id is None:
+                return None
+            return self.adaptor.get_msg_from_mdoc_id(
+                self.messageklass, self.store,
+                doc_id, uid=uid, get_cdocs=get_cdocs)
+
+        def cleanup_and_get_doc_after_pending_insert(result):
+            for key in result:
+                self._pending_inserts.pop(key, None)
+            return get_doc_fun(self.mbox_uuid, uid)
+
+        if not self._pending_inserts:
+            d = get_doc_fun(self.mbox_uuid, uid)
+        else:
+            d = defer.gatherResults(self._pending_inserts.values())
+            d.addCallback(cleanup_and_get_doc_after_pending_insert)
+        d.addCallback(get_msg_from_mdoc_id)
+        return d
+
+    def get_flags_by_uid(self, uid, absolute=True):
+        # TODO use sequence numbers
+        if not absolute:
+            raise NotImplementedError("Does not support relative ids yet")
+
+        def get_flags_from_mdoc_id(doc_id):
+            if doc_id is None:  # XXX needed? or bug?
+                return None
+            return self.adaptor.get_flags_from_mdoc_id(
+                self.store, doc_id)
+
+        def wrap_in_tuple(flags):
+            return (uid, flags)
+
+        d = self.mbox_indexer.get_doc_id_from_uid(self.mbox_uuid, uid)
+        d.addCallback(get_flags_from_mdoc_id)
+        d.addCallback(wrap_in_tuple)
+        return d
+
+    def count(self):
+        """
+        Count the messages in this collection.
+        :return: a Deferred that will fire with the integer for the count.
+        :rtype: Deferred
+        """
+        if not self.is_mailbox_collection():
+            raise NotImplementedError()
+
+        d = self.mbox_indexer.count(self.mbox_uuid)
+        return d
+
+    def count_recent(self):
+        """
+        Count the recent messages in this collection.
+        :return: a Deferred that will fire with the integer for the count.
+        :rtype: Deferred
+        """
+        if not self.is_mailbox_collection():
+            raise NotImplementedError()
+        return self.adaptor.get_count_recent(self.store, self.mbox_uuid)
+
+    def count_unseen(self):
+        """
+        Count the unseen messages in this collection.
+        :return: a Deferred that will fire with the integer for the count.
+        :rtype: Deferred
+        """
+        if not self.is_mailbox_collection():
+            raise NotImplementedError()
+        return self.adaptor.get_count_unseen(self.store, self.mbox_uuid)
+
+    def get_uid_next(self):
+        """
+        Get the next integer beyond the highest UID count for this mailbox.
+
+        :return: a Deferred that will fire with the integer for the next uid.
+        :rtype: Deferred
+        """
+        return self.mbox_indexer.get_next_uid(self.mbox_uuid)
+
+    def get_last_uid(self):
+        """
+        Get the last UID for this mailbox.
+        """
+        return self.mbox_indexer.get_last_uid(self.mbox_uuid)
+
+    def all_uid_iter(self):
+        """
+        Iterator through all the uids for this collection.
+        """
+        return self.mbox_indexer.all_uid_iter(self.mbox_uuid)
+
+    def get_uid_from_msgid(self, msgid):
+        """
+        Return the UID(s) of the matching msg-ids for this mailbox collection.
+        """
+        if not self.is_mailbox_collection():
+            raise NotImplementedError()
+
+        def get_uid(mdoc_id):
+            if not mdoc_id:
+                return None
+            d = self.mbox_indexer.get_uid_from_doc_id(
+                self.mbox_uuid, mdoc_id)
+            return d
+
+        d = self.adaptor.get_mdoc_id_from_msgid(
+            self.store, self.mbox_uuid, msgid)
+        d.addCallback(get_uid)
+        return d
+
+    # Manipulate messages
+
+    def add_msg(self, raw_msg, flags=tuple(), tags=tuple(), date="",
+                notify_just_mdoc=False):
+        """
+        Add a message to this collection.
+
+        :param raw_msg: the raw message
+        :param flags: tuple of flags for this message
+        :param tags: tuple of tags for this message
+        :param date:
+            formatted date, it will be used to retrieve the internal
+            date for this message.  According to the spec, this is NOT the date
+            and time in the RFC-822 header, but rather a date and time that
+            reflects when the message was received.
+        :type date: str
+        :param notify_just_mdoc:
+            boolean passed to the wrapper.create method, to indicate whether
+            we're insterested in being notified right after the mdoc has been
+            written (as it's the first doc to be written, and quite small, this
+            is faster, though potentially unsafe), or on the contrary we want
+            to wait untill all the parts have been written.
+            Used by the imap mailbox implementation to get faster responses.
+            This will be ignored (and set to False) if a heuristic for a Draft
+            message is met, which currently is a specific mozilla header.
+        :type notify_just_mdoc: bool
+
+        :returns: a deferred that will fire with the UID of the inserted
+                  message.
+        :rtype: deferred
+        """
+        # TODO watch out if the use of this method in IMAP COPY/APPEND is
+        # passing the right date.
+        # XXX mdoc ref is a leaky abstraction here. generalize.
+        leap_assert_type(flags, tuple)
+        leap_assert_type(date, str)
+
+        msg = self.adaptor.get_msg_from_string(Message, raw_msg)
+        wrapper = msg.get_wrapper()
+
+        headers = lowerdict(msg.get_headers())
+        moz_draft_hdr = "X-Mozilla-Draft-Info"
+        if moz_draft_hdr.lower() in headers:
+            log.msg("Setting fast notify to False, Draft detected")
+            notify_just_mdoc = False
+
+        if notify_just_mdoc:
+            msgid = headers.get('message-id')
+            if msgid:
+                self._pending_inserts[msgid] = defer.Deferred()
+
+        if not self.is_mailbox_collection():
+            raise NotImplementedError()
+
+        else:
+            mbox_id = self.mbox_uuid
+            wrapper.set_mbox_uuid(mbox_id)
+            wrapper.set_flags(flags)
+            wrapper.set_tags(tags)
+            wrapper.set_date(date)
+
+        def insert_mdoc_id(_, wrapper):
+            doc_id = wrapper.mdoc.doc_id
+            if not doc_id:
+                # --- BUG -----------------------------------------
+                # XXX watch out, sometimes mdoc doesn't have doc_id
+                # but it has future_id. Should be solved already.
+                logger.error("BUG: (please report) Null doc_id for "
+                             "document %s" %
+                             (wrapper.mdoc.serialize(),))
+                return defer.succeed("mdoc_id not inserted")
+                # XXX BUG -----------------------------------------
+
+            # XXX BUG sometimes the table is not yet created,
+            # so workaround is to make sure we always check for it before
+            # inserting the doc. I should debug into the real cause.
+            d = self.mbox_indexer.create_table(self.mbox_uuid)
+            d.addBoth(lambda _: self.mbox_indexer.insert_doc(
+                self.mbox_uuid, doc_id))
+            return d
+
+        d = wrapper.create(
+            self.store,
+            notify_just_mdoc=notify_just_mdoc,
+            pending_inserts_dict=self._pending_inserts)
+        d.addCallback(insert_mdoc_id, wrapper)
+        d.addCallback(self.cb_signal_unread_to_ui)
+        d.addCallback(self.notify_new_to_listeners)
+        d.addErrback(lambda failure: log.err(failure))
+
+        return d
+
+    # Listeners
+
+    def addListener(self, listener):
+        self._listeners.add(listener)
+
+    def removeListener(self, listener):
+        self._listeners.remove(listener)
+
+    def notify_new_to_listeners(self, result):
+        for listener in self._listeners:
+            listener.notify_new()
+        return result
+
+    def cb_signal_unread_to_ui(self, result):
+        """
+        Sends an unread event to ui, passing *only* the number of unread
+        messages if *this* is the inbox. This event is catched, for instance,
+        in the Bitmask client that displays a message with the number of unread
+        mails in the INBOX.
+
+        Used as a callback in several commands.
+
+        :param result: ignored
+        """
+        # TODO it might make sense to modify the event so that
+        # it receives both the mailbox name AND the number of unread messages.
+        if self.mbox_name.lower() == "inbox":
+            d = defer.maybeDeferred(self.count_unseen)
+            d.addCallback(self.__cb_signal_unread_to_ui)
+        return result
+
+    def __cb_signal_unread_to_ui(self, unseen):
+        """
+        Send the unread signal to UI.
+        :param unseen: number of unseen messages.
+        :type unseen: int
+        """
+        emit_async(catalog.MAIL_UNREAD_MESSAGES, self.store.uuid, str(unseen))
+
+    def copy_msg(self, msg, new_mbox_uuid):
+        """
+        Copy the message to another collection. (it only makes sense for
+        mailbox collections)
+        """
+        # TODO should CHECK first if the mdoc is present in the mailbox
+        # WITH a Deleted flag... and just simply remove the flag...
+        # Another option is to delete the previous mdoc if it already exists
+        # (so we get a new UID)
+
+        if not self.is_mailbox_collection():
+            raise NotImplementedError()
+
+        def delete_mdoc_entry_and_insert(failure, mbox_uuid, doc_id):
+            d = self.mbox_indexer.delete_doc_by_hash(mbox_uuid, doc_id)
+            d.addCallback(lambda _: self.mbox_indexer.insert_doc(
+                new_mbox_uuid, doc_id))
+            return d
+
+        def insert_copied_mdoc_id(wrapper_new_msg):
+            # XXX FIXME -- since this is already saved, the future_doc_id
+            # should be already copied into the doc_id!
+            # Investigate why we are not receiving the already saved doc_id
+            doc_id = wrapper_new_msg.mdoc.doc_id
+            if not doc_id:
+                doc_id = wrapper_new_msg.mdoc._future_doc_id
+
+            def insert_conditionally(uid, mbox_uuid, doc_id):
+                indexer = self.mbox_indexer
+                if uid:
+                    d = indexer.delete_doc_by_hash(mbox_uuid, doc_id)
+                    d.addCallback(lambda _: indexer.insert_doc(
+                        new_mbox_uuid, doc_id))
+                    return d
+                else:
+                    d = indexer.insert_doc(mbox_uuid, doc_id)
+                    return d
+
+            def log_result(result):
+                return result
+
+            def insert_doc(_, mbox_uuid, doc_id):
+                d = self.mbox_indexer.get_uid_from_doc_id(mbox_uuid, doc_id)
+                d.addCallback(insert_conditionally, mbox_uuid, doc_id)
+                d.addErrback(lambda err: log.failure(err))
+                d.addCallback(log_result)
+                return d
+
+            d = self.mbox_indexer.create_table(new_mbox_uuid)
+            d.addBoth(insert_doc, new_mbox_uuid, doc_id)
+            return d
+
+        wrapper = msg.get_wrapper()
+
+        d = wrapper.copy(self.store, new_mbox_uuid)
+        d.addCallback(insert_copied_mdoc_id)
+        d.addCallback(self.notify_new_to_listeners)
+        return d
+
+    def delete_msg(self, msg):
+        """
+        Delete this message.
+        """
+        wrapper = msg.get_wrapper()
+
+        def delete_mdoc_id(_, wrapper):
+            doc_id = wrapper.mdoc.doc_id
+            return self.mbox_indexer.delete_doc_by_hash(
+                self.mbox_uuid, doc_id)
+        d = wrapper.delete(self.store)
+        d.addCallback(delete_mdoc_id, wrapper)
+        return d
+
+    def delete_all_flagged(self):
+        """
+        Delete all messages flagged as \\Deleted.
+        Used from IMAPMailbox.expunge()
+        """
+        def get_uid_list(hashes):
+            d = []
+            for h in hashes:
+                d.append(self.mbox_indexer.get_uid_from_doc_id(
+                         self.mbox_uuid, h))
+            return defer.gatherResults(d), hashes
+
+        def delete_uid_entries((uids, hashes)):
+            d = []
+            for h in hashes:
+                d.append(self.mbox_indexer.delete_doc_by_hash(
+                         self.mbox_uuid, h))
+
+            def return_uids_when_deleted(ignored):
+                return uids
+
+            all_deleted = defer.gatherResults(d).addCallback(
+                return_uids_when_deleted)
+            return all_deleted
+
+        mdocs_deleted = self.adaptor.del_all_flagged_messages(
+            self.store, self.mbox_uuid)
+        mdocs_deleted.addCallback(get_uid_list)
+        mdocs_deleted.addCallback(delete_uid_entries)
+        mdocs_deleted.addErrback(lambda f: log.err(f))
+        return mdocs_deleted
+
+    # TODO should add a delete-by-uid to collection?
+
+    def delete_all_docs(self):
+        def del_all_uid(uid_list):
+            deferreds = []
+            for uid in uid_list:
+                d = self.get_message_by_uid(uid)
+                d.addCallback(lambda msg: msg.delete())
+                deferreds.append(d)
+            return defer.gatherResults(deferreds)
+
+        d = self.all_uid_iter()
+        d.addCallback(del_all_uid)
+        return d
+
+    def update_flags(self, msg, flags, mode):
+        """
+        Update flags for a given message.
+        """
+        wrapper = msg.get_wrapper()
+        current = wrapper.fdoc.flags
+        newflags = map(str, self._update_flags_or_tags(current, flags, mode))
+        wrapper.fdoc.flags = newflags
+
+        wrapper.fdoc.seen = MessageFlags.SEEN_FLAG in newflags
+        wrapper.fdoc.deleted = MessageFlags.DELETED_FLAG in newflags
+
+        d = self.adaptor.update_msg(self.store, msg)
+        d.addCallback(lambda _: newflags)
+        return d
+
+    def update_tags(self, msg, tags, mode):
+        """
+        Update tags for a given message.
+        """
+        wrapper = msg.get_wrapper()
+        current = wrapper.fdoc.tags
+        newtags = self._update_flags_or_tags(current, tags, mode)
+
+        wrapper.fdoc.tags = newtags
+        d = self.adaptor.update_msg(self.store, msg)
+        d.addCallback(newtags)
+        return d
+
+    def _update_flags_or_tags(self, old, new, mode):
+        if mode == Flagsmode.APPEND:
+            final = list((set(tuple(old) + new)))
+        elif mode == Flagsmode.REMOVE:
+            final = list(set(old).difference(set(new)))
+        elif mode == Flagsmode.SET:
+            final = new
+        return final
+
+
+class Account(object):
+    """
+    Account is the top level abstraction to access collections of messages
+    associated with a LEAP Mail Account.
+
+    It primarily handles creation and access of Mailboxes, which will be the
+    basic collection handled by traditional MUAs, but it can also handle other
+    types of Collections (tag based, for instance).
+
+    leap.mail.imap.IMAPAccount partially proxies methods in this
+    class.
+    """
+
+    # Adaptor is passed to the returned MessageCollections, so if you want to
+    # use a different adaptor this is the place to change it, by subclassing
+    # the Account class.
+
+    adaptor_class = SoledadMailAdaptor
+
+    # this is a defaultdict, indexed by userid, that returns a
+    # WeakValueDictionary mapping to collection instances so that we always
+    # return a reference to them instead of creating new ones. however,
+    # being a dictionary of weakrefs values, they automagically vanish
+    # from the dict when no hard refs is left to them (so they can be
+    # garbage collected) this is important because the different wrappers
+    # rely on several kinds of deferredlocks that are kept as class or
+    # instance variables.
+
+    # We need it to be a class property because we create more than one Account
+    # object in the current usage pattern (ie, one in the mail service, and
+    # another one in the IncomingMailService). When we move to a proper service
+    # tree we can let it be an instance attribute.
+    _collection_mapping = defaultdict(weakref.WeakValueDictionary)
+
+    def __init__(self, store, user_id, ready_cb=None):
+        self.store = store
+        self.user_id = user_id
+        self.adaptor = self.adaptor_class()
+
+        self.mbox_indexer = MailboxIndexer(self.store)
+
+        # This flag is only used from the imap service for the moment.
+        # In the future, we should prevent any public method to continue if
+        # this is set to True. Also, it would be good to plug to the
+        # authentication layer.
+        self.session_ended = False
+
+        self.deferred_initialization = defer.Deferred()
+        self._ready_cb = ready_cb
+
+        self._init_d = self._initialize_storage()
+        self._initialize_sync_hooks()
+
+    def _initialize_storage(self):
+
+        def add_mailbox_if_none(mboxes):
+            if not mboxes:
+                return self.add_mailbox(INBOX_NAME)
+
+        def finish_initialization(result):
+            self.deferred_initialization.callback(None)
+            if self._ready_cb is not None:
+                self._ready_cb()
+
+        d = self.adaptor.initialize_store(self.store)
+        d.addCallback(lambda _: self.list_all_mailbox_names())
+        d.addCallback(add_mailbox_if_none)
+        d.addCallback(finish_initialization)
+        return d
+
+    def callWhenReady(self, cb, *args, **kw):
+        """
+        Execute the callback when the initialization of the Account is ready.
+        Note that the callback will receive a first meaningless parameter.
+        """
+        # TODO this should ignore the first parameter explicitely
+        # lambda _: cb(*args, **kw)
+        self.deferred_initialization.addCallback(cb, *args, **kw)
+        return self.deferred_initialization
+
+    # Sync hooks
+
+    def _initialize_sync_hooks(self):
+        soledad_sync_hooks.post_sync_uid_reindexer.set_account(self)
+
+    def _teardown_sync_hooks(self):
+        soledad_sync_hooks.post_sync_uid_reindexer.set_account(None)
+
+    #
+    # Public API Starts
+    #
+
+    def list_all_mailbox_names(self):
+
+        def filter_names(mboxes):
+            return [m.mbox for m in mboxes]
+
+        d = self.get_all_mailboxes()
+        d.addCallback(filter_names)
+        return d
+
+    def get_all_mailboxes(self):
+        d = self.adaptor.get_all_mboxes(self.store)
+        return d
+
+    def add_mailbox(self, name, creation_ts=None):
+
+        if creation_ts is None:
+            # by default, we pass an int value
+            # taken from the current time
+            # we make sure to take enough decimals to get a unique
+            # mailbox-uidvalidity.
+            creation_ts = int(time.time() * 10E2)
+
+        def set_creation_ts(wrapper):
+            wrapper.created = creation_ts
+            d = wrapper.update(self.store)
+            d.addCallback(lambda _: wrapper)
+            return d
+
+        def create_uuid(wrapper):
+            if not wrapper.uuid:
+                wrapper.uuid = str(uuid.uuid4())
+                d = wrapper.update(self.store)
+                d.addCallback(lambda _: wrapper)
+                return d
+            return wrapper
+
+        def create_uid_table_cb(wrapper):
+            d = self.mbox_indexer.create_table(wrapper.uuid)
+            d.addCallback(lambda _: wrapper)
+            return d
+
+        d = self.adaptor.get_or_create_mbox(self.store, name)
+        d.addCallback(set_creation_ts)
+        d.addCallback(create_uuid)
+        d.addCallback(create_uid_table_cb)
+        return d
+
+    def delete_mailbox(self, name):
+
+        def delete_uid_table_cb(wrapper):
+            d = self.mbox_indexer.delete_table(wrapper.uuid)
+            d.addCallback(lambda _: wrapper)
+            return d
+
+        d = self.adaptor.get_or_create_mbox(self.store, name)
+        d.addCallback(delete_uid_table_cb)
+        d.addCallback(
+            lambda wrapper: self.adaptor.delete_mbox(self.store, wrapper))
+        return d
+
+    def rename_mailbox(self, oldname, newname):
+
+        def _rename_mbox(wrapper):
+            wrapper.mbox = newname
+            d = wrapper.update(self.store)
+            d.addCallback(lambda result: wrapper)
+            return d
+
+        d = self.adaptor.get_or_create_mbox(self.store, oldname)
+        d.addCallback(_rename_mbox)
+        return d
+
+    # Get Collections
+
+    def get_collection_by_mailbox(self, name):
+        """
+        :rtype: deferred
+        :return: a deferred that will fire with a MessageCollection
+        """
+        collection = self._collection_mapping[self.user_id].get(
+            name, None)
+        if collection:
+            return defer.succeed(collection)
+
+        # imap select will use this, passing the collection to SoledadMailbox
+        def get_collection_for_mailbox(mbox_wrapper):
+            collection = MessageCollection(
+                self.adaptor, self.store, self.mbox_indexer, mbox_wrapper)
+            self._collection_mapping[self.user_id][name] = collection
+            return collection
+
+        d = self.adaptor.get_or_create_mbox(self.store, name)
+        d.addCallback(get_collection_for_mailbox)
+        return d
+
+    def get_collection_by_docs(self, docs):
+        """
+        :rtype: MessageCollection
+        """
+        # get a collection of docs by a list of doc_id
+        # get.docs(...) --> it should be a generator. does it behave in the
+        # threadpool?
+        raise NotImplementedError()
+
+    def get_collection_by_tag(self, tag):
+        """
+        :rtype: MessageCollection
+        """
+        raise NotImplementedError()
+
+    # Session handling
+
+    def end_session(self):
+        self._teardown_sync_hooks()
+        self.session_ended = True
diff --git a/src/leap/bitmask/mail/mailbox_indexer.py b/src/leap/bitmask/mail/mailbox_indexer.py
new file mode 100644
index 0000000..c49f808
--- /dev/null
+++ b/src/leap/bitmask/mail/mailbox_indexer.py
@@ -0,0 +1,327 @@
+# -*- coding: utf-8 -*-
+# mailbox_indexer.py
+# Copyright (C) 2014 LEAP
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+"""
+.. :py:module::mailbox_indexer
+
+Local tables to store the message Unique Identifiers for a given mailbox.
+"""
+import re
+import uuid
+
+from leap.mail.constants import METAMSGID_RE
+
+
+def _maybe_first_query_item(thing):
+    """
+    Return the first item the returned query result, or None
+    if empty.
+    """
+    try:
+        return thing[0][0]
+    except (TypeError, IndexError):
+        return None
+
+
+class WrongMetaDocIDError(Exception):
+    pass
+
+
+def sanitize(mailbox_uuid):
+    return mailbox_uuid.replace("-", "_")
+
+
+def check_good_uuid(mailbox_uuid):
+    """
+    Check that the passed mailbox identifier is a valid UUID.
+    :param mailbox_uuid: the uuid to check
+    :type mailbox_uuid: str
+    :return: None
+    :raises: AssertionError if a wrong uuid was passed.
+    """
+    try:
+        uuid.UUID(str(mailbox_uuid))
+    except (AttributeError, ValueError):
+        raise AssertionError(
+            "the mbox_id is not a valid uuid: %s" % mailbox_uuid)
+
+
+class MailboxIndexer(object):
+    """
+    This class contains the commands needed to create, modify and alter the
+    local-only UID tables for a given mailbox.
+
+    Its purpouse is to keep a local-only index with the messages in each
+    mailbox, mainly to satisfy the demands of the IMAP specification, but
+    useful too for any effective listing of the messages in a mailbox.
+
+    Since the incoming mail can be processed at any time in any replica, it's
+    preferred not to attempt to maintain a global chronological global index.
+
+    These indexes are Message Attributes needed for the IMAP specification (rfc
+    3501), although they can be useful for other non-imap store
+    implementations.
+
+    """
+    # The uids are expected to be 32-bits values, but the ROWIDs in sqlite
+    # are 64-bit values. I *don't* think it really matters for any
+    # practical use, but it's good to remember we've got that difference going
+    # on.
+
+    store = None
+    table_preffix = "leapmail_uid_"
+
+    def __init__(self, store):
+        self.store = store
+
+    def _query(self, *args, **kw):
+        assert self.store is not None
+        return self.store.raw_sqlcipher_query(*args, **kw)
+
+    def _operation(self, *args, **kw):
+        assert self.store is not None
+        return self.store.raw_sqlcipher_operation(*args, **kw)
+
+    def create_table(self, mailbox_uuid):
+        """
+        Create the UID table for a given mailbox.
+        :param mailbox: the mailbox identifier.
+        :type mailbox: str
+        :rtype: Deferred
+        """
+        check_good_uuid(mailbox_uuid)
+        sql = ("CREATE TABLE if not exists {preffix}{name}( "
+               "uid  INTEGER PRIMARY KEY AUTOINCREMENT, "
+               "hash TEXT UNIQUE NOT NULL)".format(
+                   preffix=self.table_preffix, name=sanitize(mailbox_uuid)))
+        return self._operation(sql)
+
+    def delete_table(self, mailbox_uuid):
+        """
+        Delete the UID table for a given mailbox.
+        :param mailbox: the mailbox name
+        :type mailbox: str
+        :rtype: Deferred
+        """
+        check_good_uuid(mailbox_uuid)
+        sql = ("DROP TABLE if exists {preffix}{name}".format(
+            preffix=self.table_preffix, name=sanitize(mailbox_uuid)))
+        return self._operation(sql)
+
+    def insert_doc(self, mailbox_uuid, doc_id):
+        """
+        Insert the doc_id for a MetaMsg in the UID table for a given mailbox.
+
+        The doc_id must be in the format:
+
+            M-<mailbox>-<content-hash-of-the-message>
+
+        :param mailbox: the mailbox name
+        :type mailbox: str
+        :param doc_id: the doc_id for the MetaMsg
+        :type doc_id: str
+        :return: a deferred that will fire with the uid of the newly inserted
+                 document.
+        :rtype: Deferred
+        """
+        check_good_uuid(mailbox_uuid)
+        assert doc_id
+        mailbox_uuid = mailbox_uuid.replace('-', '_')
+
+        if not re.findall(METAMSGID_RE.format(mbox_uuid=mailbox_uuid), doc_id):
+            raise WrongMetaDocIDError("Wrong format for the MetaMsg doc_id")
+
+        def get_rowid(result):
+            return _maybe_first_query_item(result)
+
+        sql = ("INSERT INTO {preffix}{name} VALUES ("
+               "NULL, ?)".format(
+                   preffix=self.table_preffix, name=sanitize(mailbox_uuid)))
+        values = (doc_id,)
+
+        sql_last = ("SELECT MAX(rowid) FROM {preffix}{name} "
+                    "LIMIT 1;").format(
+            preffix=self.table_preffix, name=sanitize(mailbox_uuid))
+
+        d = self._operation(sql, values)
+        d.addCallback(lambda _: self._query(sql_last))
+        d.addCallback(get_rowid)
+        d.addErrback(lambda f: f.printTraceback())
+        return d
+
+    def delete_doc_by_uid(self, mailbox_uuid, uid):
+        """
+        Delete the entry for a MetaMsg in the UID table for a given mailbox.
+
+        :param mailbox_uuid: the mailbox uuid
+        :type mailbox: str
+        :param uid: the UID of the message.
+        :type uid: int
+        :rtype: Deferred
+        """
+        check_good_uuid(mailbox_uuid)
+        assert uid
+        sql = ("DELETE FROM {preffix}{name} "
+               "WHERE uid=?".format(
+                   preffix=self.table_preffix, name=sanitize(mailbox_uuid)))
+        values = (uid,)
+        return self._query(sql, values)
+
+    def delete_doc_by_hash(self, mailbox_uuid, doc_id):
+        """
+        Delete the entry for a MetaMsg in the UID table for a given mailbox.
+
+        The doc_id must be in the format:
+
+            M-<mailbox_uuid>-<content-hash-of-the-message>
+
+        :param mailbox_uuid: the mailbox uuid
+        :type mailbox: str
+        :param doc_id: the doc_id for the MetaMsg
+        :type doc_id: str
+        :return: a deferred that will fire when the deletion has succed.
+        :rtype: Deferred
+        """
+        check_good_uuid(mailbox_uuid)
+        assert doc_id
+        sql = ("DELETE FROM {preffix}{name} "
+               "WHERE hash=?".format(
+                   preffix=self.table_preffix, name=sanitize(mailbox_uuid)))
+        values = (doc_id,)
+        return self._query(sql, values)
+
+    def get_doc_id_from_uid(self, mailbox_uuid, uid):
+        """
+        Get the doc_id for a MetaMsg in the UID table for a given mailbox.
+
+        :param mailbox_uuid: the mailbox uuid
+        :type mailbox: str
+        :param uid: the uid for the MetaMsg for this mailbox
+        :type uid: int
+        :rtype: Deferred
+        """
+        check_good_uuid(mailbox_uuid)
+        mailbox_uuid = mailbox_uuid.replace('-', '_')
+
+        def get_hash(result):
+            return _maybe_first_query_item(result)
+
+        sql = ("SELECT hash from {preffix}{name} "
+               "WHERE uid=?".format(
+                   preffix=self.table_preffix, name=sanitize(mailbox_uuid)))
+        values = (uid,)
+        d = self._query(sql, values)
+        d.addCallback(get_hash)
+        return d
+
+    def get_uid_from_doc_id(self, mailbox_uuid, doc_id):
+        check_good_uuid(mailbox_uuid)
+        mailbox_uuid = mailbox_uuid.replace('-', '_')
+
+        def get_uid(result):
+            return _maybe_first_query_item(result)
+
+        sql = ("SELECT uid from {preffix}{name} "
+               "WHERE hash=?".format(
+                   preffix=self.table_preffix, name=sanitize(mailbox_uuid)))
+        values = (doc_id,)
+        d = self._query(sql, values)
+        d.addCallback(get_uid)
+        return d
+
+    def get_doc_ids_from_uids(self, mailbox_uuid, uids):
+        # For IMAP relative numbering /sequences.
+        # XXX dereference the range (n,*)
+        raise NotImplementedError()
+
+    def count(self, mailbox_uuid):
+        """
+        Get the number of entries in the UID table for a given mailbox.
+
+        :param mailbox_uuid: the mailbox uuid
+        :type mailbox_uuid: str
+        :return: a deferred that will fire with an integer returning the count.
+        :rtype: Deferred
+        """
+        check_good_uuid(mailbox_uuid)
+
+        def get_count(result):
+            return _maybe_first_query_item(result)
+
+        sql = ("SELECT Count(*) FROM {preffix}{name};".format(
+            preffix=self.table_preffix, name=sanitize(mailbox_uuid)))
+        d = self._query(sql)
+        d.addCallback(get_count)
+        d.addErrback(lambda _: 0)
+        return d
+
+    def get_next_uid(self, mailbox_uuid):
+        """
+        Get the next integer beyond the highest UID count for a given mailbox.
+
+        This is expected by the IMAP implementation. There are no guarantees
+        that a document to be inserted in the future gets the returned UID: the
+        only thing that can be assured is that it will be equal or greater than
+        the value returned.
+
+        :param mailbox_uuid: the mailbox uuid
+        :type mailbox: str
+        :return: a deferred that will fire with an integer returning the next
+                 uid.
+        :rtype: Deferred
+        """
+        check_good_uuid(mailbox_uuid)
+        d = self.get_last_uid(mailbox_uuid)
+        d.addCallback(lambda uid: uid + 1)
+        return d
+
+    def get_last_uid(self, mailbox_uuid):
+        """
+        Get the highest UID for a given mailbox.
+        """
+        check_good_uuid(mailbox_uuid)
+        sql = ("SELECT MAX(rowid) FROM {preffix}{name} "
+               "LIMIT 1;").format(
+            preffix=self.table_preffix, name=sanitize(mailbox_uuid))
+
+        def getit(result):
+            rowid = _maybe_first_query_item(result)
+            if not rowid:
+                rowid = 0
+            return rowid
+
+        d = self._query(sql)
+        d.addCallback(getit)
+        return d
+
+    def all_uid_iter(self, mailbox_uuid):
+        """
+        Get a sequence of all the uids in this mailbox.
+
+        :param mailbox_uuid: the mailbox uuid
+        :type mailbox_uuid: str
+        """
+        check_good_uuid(mailbox_uuid)
+
+        sql = ("SELECT uid from {preffix}{name} ").format(
+            preffix=self.table_preffix, name=sanitize(mailbox_uuid))
+
+        def get_results(result):
+            return [x[0] for x in result]
+
+        d = self._query(sql)
+        d.addCallback(get_results)
+        return d
diff --git a/src/leap/bitmask/mail/outgoing/__init__.py b/src/leap/bitmask/mail/outgoing/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/src/leap/bitmask/mail/outgoing/__init__.py
diff --git a/src/leap/bitmask/mail/outgoing/service.py b/src/leap/bitmask/mail/outgoing/service.py
new file mode 100644
index 0000000..8b02f2e
--- /dev/null
+++ b/src/leap/bitmask/mail/outgoing/service.py
@@ -0,0 +1,518 @@
+# -*- coding: utf-8 -*-
+# outgoing/service.py
+# Copyright (C) 2013-2015 LEAP
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+"""
+OutgoingMail module.
+
+The OutgoingMail class allows to send mail, and encrypts/signs it if needed.
+"""
+
+import os.path
+import re
+from StringIO import StringIO
+from copy import deepcopy
+from email.parser import Parser
+from email.mime.application import MIMEApplication
+from email.mime.multipart import MIMEMultipart
+from email.mime.text import MIMEText
+
+from OpenSSL import SSL
+
+from twisted.mail import smtp
+from twisted.internet import reactor
+from twisted.internet import defer
+from twisted.protocols.amp import ssl
+from twisted.python import log
+
+from leap.common.check import leap_assert_type, leap_assert
+from leap.common.events import emit_async, catalog
+from leap.keymanager.errors import KeyNotFound, KeyAddressMismatch
+from leap.mail import __version__
+from leap.mail import errors
+from leap.mail.utils import validate_address
+from leap.mail.rfc3156 import MultipartEncrypted
+from leap.mail.rfc3156 import MultipartSigned
+from leap.mail.rfc3156 import encode_base64_rec
+from leap.mail.rfc3156 import RFC3156CompliantGenerator
+from leap.mail.rfc3156 import PGPSignature
+from leap.mail.rfc3156 import PGPEncrypted
+
+# TODO
+# [ ] rename this module to something else, service should be the implementor
+#     of IService
+
+
+class SSLContextFactory(ssl.ClientContextFactory):
+    def __init__(self, cert, key):
+        self.cert = cert
+        self.key = key
+
+    def getContext(self):
+        # FIXME -- we should use sslv23 to allow for tlsv1.2
+        # and, if possible, explicitely disable sslv3 clientside.
+        # Servers should avoid sslv3
+        self.method = SSL.TLSv1_METHOD  # SSLv23_METHOD
+        ctx = ssl.ClientContextFactory.getContext(self)
+        ctx.use_certificate_file(self.cert)
+        ctx.use_privatekey_file(self.key)
+        return ctx
+
+
+def outgoingFactory(userid, keymanager, opts, check_cert=True, bouncer=None):
+
+    cert = unicode(opts.cert)
+    key = unicode(opts.key)
+    hostname = str(opts.hostname)
+    port = opts.port
+
+    if check_cert:
+        if not os.path.isfile(cert):
+            raise errors.ConfigurationError(
+                'No valid SMTP certificate could be found for %s!' % userid)
+
+    return OutgoingMail(
+        str(userid), keymanager, cert, key, hostname, port,
+        bouncer)
+
+
+class OutgoingMail(object):
+    """
+    Sends Outgoing Mail, encrypting and signing if needed.
+    """
+
+    def __init__(self, from_address, keymanager, cert, key, host, port,
+                 bouncer=None):
+        """
+        Initialize the outgoing mail service.
+
+        :param from_address: The sender address.
+        :type from_address: str
+        :param keymanager: A KeyManager for retrieving recipient's keys.
+        :type keymanager: leap.common.keymanager.KeyManager
+        :param cert: The client certificate for SSL authentication.
+        :type cert: str
+        :param key: The client private key for SSL authentication.
+        :type key: str
+        :param host: The hostname of the remote SMTP server.
+        :type host: str
+        :param port: The port of the remote SMTP server.
+        :type port: int
+        """
+
+        # assert params
+        leap_assert_type(from_address, str)
+        leap_assert('@' in from_address)
+
+        # XXX it can be a zope.proxy too
+        # leap_assert_type(keymanager, KeyManager)
+
+        leap_assert_type(host, str)
+        leap_assert(host != '')
+        leap_assert_type(port, int)
+        leap_assert(port is not 0)
+        leap_assert_type(cert, unicode)
+        leap_assert(cert != '')
+        leap_assert_type(key, unicode)
+        leap_assert(key != '')
+
+        self._port = port
+        self._host = host
+        self._key = key
+        self._cert = cert
+        self._from_address = from_address
+        self._keymanager = keymanager
+        self._bouncer = bouncer
+
+    def send_message(self, raw, recipient):
+        """
+        Sends a message to a recipient. Maybe encrypts and signs.
+
+        :param raw: The raw message
+        :type raw: str
+        :param recipient: The recipient for the message
+        :type recipient: smtp.User
+        :return: a deferred which delivers the message when fired
+        """
+        d = self._maybe_encrypt_and_sign(raw, recipient)
+        d.addCallback(self._route_msg, raw)
+        d.addErrback(self.sendError, raw)
+        return d
+
+    def sendSuccess(self, smtp_sender_result):
+        """
+        Callback for a successful send.
+
+        :param smtp_sender_result: The result from the ESMTPSender from
+                                   _route_msg
+        :type smtp_sender_result: tuple(int, list(tuple))
+        """
+        dest_addrstr = smtp_sender_result[1][0][0]
+        fromaddr = self._from_address
+        log.msg('Message sent from %s to %s' % (fromaddr, dest_addrstr))
+        emit_async(catalog.SMTP_SEND_MESSAGE_SUCCESS,
+                   fromaddr, dest_addrstr)
+
+    def sendError(self, failure, origmsg):
+        """
+        Callback for an unsuccessfull send.
+
+        :param failure: The result from the last errback.
+        :type failure: anything
+        :param origmsg: the original, unencrypted, raw message, to be passed to
+                        the bouncer.
+        :type origmsg: str
+        """
+        # XXX: need to get the address from the original message to send signal
+        # emit_async(catalog.SMTP_SEND_MESSAGE_ERROR, self._from_address,
+        #   self._user.dest.addrstr)
+
+        # TODO when we implement outgoing queues/long-term-retries, we could
+        # examine the error *here* and delay the notification if it's just a
+        # temporal error. We might want to notify the permanent errors
+        # differently.
+
+        err = failure.value
+        log.err(err)
+
+        if self._bouncer:
+            self._bouncer.bounce_message(
+                err.message, to=self._from_address,
+                orig=origmsg)
+        else:
+            raise err
+
+    def _route_msg(self, encrypt_and_sign_result, raw):
+        """
+        Sends the msg using the ESMTPSenderFactory.
+
+        :param encrypt_and_sign_result: A tuple containing the 'maybe'
+                                        encrypted message and the recipient
+        :type encrypt_and_sign_result: tuple
+        """
+        message, recipient = encrypt_and_sign_result
+        log.msg("Connecting to SMTP server %s:%s" % (self._host, self._port))
+        msg = message.as_string(False)
+
+        # we construct a defer to pass to the ESMTPSenderFactory
+        d = defer.Deferred()
+        d.addCallback(self.sendSuccess)
+        d.addErrback(self.sendError, raw)
+        # we don't pass an ssl context factory to the ESMTPSenderFactory
+        # because ssl will be handled by reactor.connectSSL() below.
+        factory = smtp.ESMTPSenderFactory(
+            "",  # username is blank, no client auth here
+            "",  # password is blank, no client auth here
+            self._from_address,
+            recipient.dest.addrstr,
+            StringIO(msg),
+            d,
+            heloFallback=True,
+            requireAuthentication=False,
+            requireTransportSecurity=True)
+        factory.domain = bytes('leap.mail-' + __version__)
+        emit_async(catalog.SMTP_SEND_MESSAGE_START,
+                   self._from_address, recipient.dest.addrstr)
+        reactor.connectSSL(
+            self._host, self._port, factory,
+            contextFactory=SSLContextFactory(self._cert, self._key))
+
+    def _maybe_encrypt_and_sign(self, raw, recipient, fetch_remote=True):
+        """
+        Attempt to encrypt and sign the outgoing message.
+
+        The behaviour of this method depends on:
+
+            1. the original message's content-type, and
+            2. the availability of the recipient's public key.
+
+        If the original message's content-type is "multipart/encrypted", then
+        the original message is not altered. For any other content-type, the
+        method attempts to fetch the recipient's public key. If the
+        recipient's public key is available, the message is encrypted and
+        signed; otherwise it is only signed.
+
+        Note that, if the C{encrypted_only} configuration is set to True and
+        the recipient's public key is not available, then the recipient
+        address would have been rejected in SMTPDelivery.validateTo().
+
+        The following table summarizes the overall behaviour of the gateway:
+
+        +---------------------------------------------------+----------------+
+        | content-type        | rcpt pubkey | enforce encr. | action         |
+        +---------------------+-------------+---------------+----------------+
+        | multipart/encrypted | any         | any           | pass           |
+        | other               | available   | any           | encrypt + sign |
+        | other               | unavailable | yes           | reject         |
+        | other               | unavailable | no            | sign           |
+        +---------------------+-------------+---------------+----------------+
+
+        :param raw: The raw message
+        :type raw: str
+        :param recipient: The recipient for the message
+        :type: recipient: smtp.User
+
+        :return: A Deferred that will be fired with a MIMEMultipart message
+                 and the original recipient Message
+        :rtype: Deferred
+        """
+        # pass if the original message's content-type is "multipart/encrypted"
+        origmsg = Parser().parsestr(raw)
+
+        if origmsg.get_content_type() == 'multipart/encrypted':
+            return defer.succeed((origmsg, recipient))
+
+        from_address = validate_address(self._from_address)
+        username, domain = from_address.split('@')
+        to_address = validate_address(recipient.dest.addrstr)
+
+        def maybe_encrypt_and_sign(message):
+            d = self._encrypt_and_sign(
+                message, to_address, from_address,
+                fetch_remote=fetch_remote)
+            d.addCallbacks(signal_encrypt_sign,
+                           if_key_not_found_send_unencrypted,
+                           errbackArgs=(message,))
+            return d
+
+        def signal_encrypt_sign(newmsg):
+            emit_async(catalog.SMTP_END_ENCRYPT_AND_SIGN,
+                       self._from_address,
+                       "%s,%s" % (self._from_address, to_address))
+            return newmsg, recipient
+
+        def if_key_not_found_send_unencrypted(failure, message):
+            failure.trap(KeyNotFound, KeyAddressMismatch)
+
+            log.msg('Will send unencrypted message to %s.' % to_address)
+            emit_async(catalog.SMTP_START_SIGN, self._from_address, to_address)
+            d = self._sign(message, from_address)
+            d.addCallback(signal_sign)
+            return d
+
+        def signal_sign(newmsg):
+            emit_async(catalog.SMTP_END_SIGN, self._from_address)
+            return newmsg, recipient
+
+        log.msg("Will encrypt the message with %s and sign with %s."
+                % (to_address, from_address))
+        emit_async(catalog.SMTP_START_ENCRYPT_AND_SIGN,
+                   self._from_address,
+                   "%s,%s" % (self._from_address, to_address))
+        d = self._maybe_attach_key(origmsg, from_address, to_address)
+        d.addCallback(maybe_encrypt_and_sign)
+        return d
+
+    def _maybe_attach_key(self, origmsg, from_address, to_address):
+        filename = "%s-email-key.asc" % (from_address,)
+
+        def attach_if_address_hasnt_encrypted(to_key):
+            # if the sign_used flag is true that means that we got an encrypted
+            # email from this address, because we conly check signatures on
+            # encrypted emails. In this case we don't attach.
+            # XXX: this might not be true some time in the future
+            if to_key.sign_used:
+                return origmsg
+            return get_key_and_attach(None)
+
+        def get_key_and_attach(_):
+            d = self._keymanager.get_key(from_address, fetch_remote=False)
+            d.addCallback(attach_key)
+            return d
+
+        def attach_key(from_key):
+            msg = origmsg
+            if not origmsg.is_multipart():
+                msg = MIMEMultipart()
+                for h, v in origmsg.items():
+                    msg.add_header(h, v)
+                msg.attach(MIMEText(origmsg.get_payload()))
+
+            keymsg = MIMEApplication(from_key.key_data, _subtype='pgp-keys',
+                                     _encoder=lambda x: x)
+            keymsg.add_header('content-disposition', 'attachment',
+                              filename=filename)
+            msg.attach(keymsg)
+            return msg
+
+        d = self._keymanager.get_key(to_address, fetch_remote=False)
+        d.addCallbacks(attach_if_address_hasnt_encrypted, get_key_and_attach)
+        d.addErrback(lambda _: origmsg)
+        return d
+
+    def _encrypt_and_sign(self, origmsg, encrypt_address, sign_address,
+                          fetch_remote=True):
+        """
+        Create an RFC 3156 compliang PGP encrypted and signed message using
+        C{encrypt_address} to encrypt and C{sign_address} to sign.
+
+        :param origmsg: The original message
+        :type origmsg: email.message.Message
+        :param encrypt_address: The address used to encrypt the message.
+        :type encrypt_address: str
+        :param sign_address: The address used to sign the message.
+        :type sign_address: str
+
+        :return: A Deferred with the MultipartEncrypted message
+        :rtype: Deferred
+        """
+        # create new multipart/encrypted message with 'pgp-encrypted' protocol
+
+        def encrypt(res):
+            newmsg, origmsg = res
+            d = self._keymanager.encrypt(
+                origmsg.as_string(unixfrom=False),
+                encrypt_address, sign=sign_address,
+                fetch_remote=fetch_remote)
+            d.addCallback(lambda encstr: (newmsg, encstr))
+            return d
+
+        def create_encrypted_message(res):
+            newmsg, encstr = res
+            encmsg = MIMEApplication(
+                encstr, _subtype='octet-stream', _encoder=lambda x: x)
+            encmsg.add_header('content-disposition', 'attachment',
+                              filename='msg.asc')
+            # create meta message
+            metamsg = PGPEncrypted()
+            metamsg.add_header('Content-Disposition', 'attachment')
+            # attach pgp message parts to new message
+            newmsg.attach(metamsg)
+            newmsg.attach(encmsg)
+            return newmsg
+
+        d = self._fix_headers(
+            origmsg,
+            MultipartEncrypted('application/pgp-encrypted'),
+            sign_address)
+        d.addCallback(encrypt)
+        d.addCallback(create_encrypted_message)
+        return d
+
+    def _sign(self, origmsg, sign_address):
+        """
+        Create an RFC 3156 compliant PGP signed MIME message using
+        C{sign_address}.
+
+        :param origmsg: The original message
+        :type origmsg: email.message.Message
+        :param sign_address: The address used to sign the message.
+        :type sign_address: str
+
+        :return: A Deferred with the MultipartSigned message.
+        :rtype: Deferred
+        """
+        # apply base64 content-transfer-encoding
+        encode_base64_rec(origmsg)
+        # get message text with headers and replace \n for \r\n
+        fp = StringIO()
+        g = RFC3156CompliantGenerator(
+            fp, mangle_from_=False, maxheaderlen=76)
+        g.flatten(origmsg)
+        msgtext = re.sub('\r?\n', '\r\n', fp.getvalue())
+        # make sure signed message ends with \r\n as per OpenPGP stantard.
+        if origmsg.is_multipart():
+            if not msgtext.endswith("\r\n"):
+                msgtext += "\r\n"
+
+        def create_signed_message(res):
+            (msg, _), signature = res
+            sigmsg = PGPSignature(signature)
+            # attach original message and signature to new message
+            msg.attach(origmsg)
+            msg.attach(sigmsg)
+            return msg
+
+        dh = self._fix_headers(
+            origmsg,
+            MultipartSigned('application/pgp-signature', 'pgp-sha512'),
+            sign_address)
+        ds = self._keymanager.sign(
+            msgtext, sign_address, digest_algo='SHA512',
+            clearsign=False, detach=True, binary=False)
+        d = defer.gatherResults([dh, ds])
+        d.addCallback(create_signed_message)
+        return d
+
+    def _fix_headers(self, msg, newmsg, sign_address):
+        """
+        Move some headers from C{origmsg} to C{newmsg}, delete unwanted
+        headers from C{origmsg} and add new headers to C{newms}.
+
+        Outgoing messages are either encrypted and signed or just signed
+        before being sent. Because of that, they are packed inside new
+        messages and some manipulation has to be made on their headers.
+
+        Allowed headers for passing through:
+
+            - From
+            - Date
+            - To
+            - Subject
+            - Reply-To
+            - References
+            - In-Reply-To
+            - Cc
+
+        Headers to be added:
+
+            - Message-ID (i.e. should not use origmsg's Message-Id)
+            - Received (this is added automatically by twisted smtp API)
+            - OpenPGP (see #4447)
+
+        Headers to be deleted:
+
+            - User-Agent
+
+        :param msg: The original message.
+        :type msg: email.message.Message
+        :param newmsg: The new message being created.
+        :type newmsg: email.message.Message
+        :param sign_address: The address used to sign C{newmsg}
+        :type sign_address: str
+
+        :return: A Deferred with a touple:
+                 (new Message with the unencrypted headers,
+                  original Message with headers removed)
+        :rtype: Deferred
+        """
+        origmsg = deepcopy(msg)
+        # move headers from origmsg to newmsg
+        headers = origmsg.items()
+        passthrough = [
+            'from', 'date', 'to', 'subject', 'reply-to', 'references',
+            'in-reply-to', 'cc'
+        ]
+        headers = filter(lambda x: x[0].lower() in passthrough, headers)
+        for hkey, hval in headers:
+            newmsg.add_header(hkey, hval)
+            del (origmsg[hkey])
+        # add a new message-id to newmsg
+        newmsg.add_header('Message-Id', smtp.messageid())
+        # delete user-agent from origmsg
+        del (origmsg['user-agent'])
+
+        def add_openpgp_header(signkey):
+            username, domain = sign_address.split('@')
+            newmsg.add_header(
+                'OpenPGP', 'id=%s' % signkey.fingerprint,
+                url='https://%s/key/%s' % (domain, username),
+                preference='signencrypt')
+            return newmsg, origmsg
+
+        d = self._keymanager.get_key(sign_address, private=True)
+        d.addCallback(add_openpgp_header)
+        return d
diff --git a/src/leap/bitmask/mail/outgoing/tests/test_outgoing.py b/src/leap/bitmask/mail/outgoing/tests/test_outgoing.py
new file mode 100644
index 0000000..dd053c1
--- /dev/null
+++ b/src/leap/bitmask/mail/outgoing/tests/test_outgoing.py
@@ -0,0 +1,263 @@
+# -*- coding: utf-8 -*-
+# test_gateway.py
+# Copyright (C) 2013 LEAP
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+
+"""
+SMTP gateway tests.
+"""
+import re
+from copy import deepcopy
+from StringIO import StringIO
+from email.parser import Parser
+from datetime import datetime
+from twisted.internet.defer import fail
+from twisted.mail.smtp import User
+from twisted.python import log
+
+from mock import Mock
+
+from leap.mail.rfc3156 import RFC3156CompliantGenerator
+from leap.mail.outgoing.service import OutgoingMail
+from leap.mail.testing import ADDRESS, ADDRESS_2, PUBLIC_KEY_2
+from leap.mail.testing import KeyManagerWithSoledadTestCase
+from leap.mail.testing.smtp import getSMTPFactory
+from leap.keymanager import errors
+
+
+BEGIN_PUBLIC_KEY = "-----BEGIN PGP PUBLIC KEY BLOCK-----"
+
+TEST_USER = u'anotheruser@leap.se'
+
+
+class TestOutgoingMail(KeyManagerWithSoledadTestCase):
+    EMAIL_DATA = ['HELO gateway.leap.se',
+                  'MAIL FROM: <%s>' % ADDRESS_2,
+                  'RCPT TO: <%s>' % ADDRESS,
+                  'DATA',
+                  'From: User <%s>' % ADDRESS_2,
+                  'To: Leap <%s>' % ADDRESS,
+                  'Date: ' + datetime.now().strftime('%c'),
+                  'Subject: test message',
+                  '',
+                  'This is a secret message.',
+                  'Yours,',
+                  'A.',
+                  '',
+                  '.',
+                  'QUIT']
+
+    def setUp(self):
+        self.lines = [line for line in self.EMAIL_DATA[4:12]]
+        self.lines.append('')  # add a trailing newline
+        self.raw = '\r\n'.join(self.lines)
+        self.expected_body = '\r\n'.join(self.EMAIL_DATA[9:12]) + "\r\n"
+        self.fromAddr = ADDRESS_2
+
+        class opts:
+            cert = u'/tmp/cert'
+            key = u'/tmp/cert'
+            hostname = 'remote'
+            port = 666
+        self.opts = opts
+
+        def init_outgoing_and_proto(_):
+            self.outgoing_mail = OutgoingMail(
+                self.fromAddr, self.km, opts.cert,
+                opts.key, opts.hostname, opts.port)
+
+            user = TEST_USER
+
+            # TODO -- this shouldn't need SMTP to be tested!? or does it?
+            self.proto = getSMTPFactory(
+                {user: None}, {user: self.km}, {user: None})
+            self.dest = User(ADDRESS, 'gateway.leap.se', self.proto, ADDRESS_2)
+
+        d = KeyManagerWithSoledadTestCase.setUp(self)
+        d.addCallback(init_outgoing_and_proto)
+        return d
+
+    def test_message_encrypt(self):
+        """
+        Test if message gets encrypted to destination email.
+        """
+        def check_decryption(res):
+            decrypted, _ = res
+            self.assertEqual(
+                '\n' + self.expected_body,
+                decrypted,
+                'Decrypted text differs from plaintext.')
+
+        d = self._set_sign_used(ADDRESS)
+        d.addCallback(
+            lambda _:
+            self.outgoing_mail._maybe_encrypt_and_sign(self.raw, self.dest))
+        d.addCallback(self._assert_encrypted)
+        d.addCallback(lambda message: self.km.decrypt(
+            message.get_payload(1).get_payload(), ADDRESS))
+        d.addCallback(check_decryption)
+        return d
+
+    def test_message_encrypt_sign(self):
+        """
+        Test if message gets encrypted to destination email and signed with
+        sender key.
+        '"""
+        def check_decryption_and_verify(res):
+            decrypted, signkey = res
+            self.assertEqual(
+                '\n' + self.expected_body,
+                decrypted,
+                'Decrypted text differs from plaintext.')
+            self.assertTrue(ADDRESS_2 in signkey.address,
+                            "Verification failed")
+
+        d = self._set_sign_used(ADDRESS)
+        d.addCallback(
+            lambda _:
+            self.outgoing_mail._maybe_encrypt_and_sign(self.raw, self.dest))
+        d.addCallback(self._assert_encrypted)
+        d.addCallback(lambda message: self.km.decrypt(
+            message.get_payload(1).get_payload(), ADDRESS, verify=ADDRESS_2))
+        d.addCallback(check_decryption_and_verify)
+        return d
+
+    def test_message_sign(self):
+        """
+        Test if message is signed with sender key.
+        """
+        # mock the key fetching
+        self.km._fetch_keys_from_server = Mock(
+            return_value=fail(errors.KeyNotFound()))
+        recipient = User('ihavenopubkey@nonleap.se',
+                         'gateway.leap.se', self.proto, ADDRESS)
+        self.outgoing_mail = OutgoingMail(
+            self.fromAddr, self.km, self.opts.cert, self.opts.key,
+            self.opts.hostname, self.opts.port)
+
+        def check_signed(res):
+            message, _ = res
+            self.assertTrue('Content-Type' in message)
+            self.assertEqual('multipart/signed', message.get_content_type())
+            self.assertEqual('application/pgp-signature',
+                             message.get_param('protocol'))
+            self.assertEqual('pgp-sha512', message.get_param('micalg'))
+            # assert content of message
+            body = (message.get_payload(0)
+                           .get_payload(0)
+                           .get_payload(decode=True))
+            self.assertEqual(self.expected_body,
+                             body)
+            # assert content of signature
+            self.assertTrue(
+                message.get_payload(1).get_payload().startswith(
+                    '-----BEGIN PGP SIGNATURE-----\n'),
+                'Message does not start with signature header.')
+            self.assertTrue(
+                message.get_payload(1).get_payload().endswith(
+                    '-----END PGP SIGNATURE-----\n'),
+                'Message does not end with signature footer.')
+            return message
+
+        def verify(message):
+            # replace EOL before verifying (according to rfc3156)
+            fp = StringIO()
+            g = RFC3156CompliantGenerator(
+                fp, mangle_from_=False, maxheaderlen=76)
+            g.flatten(message.get_payload(0))
+            signed_text = re.sub('\r?\n', '\r\n',
+                                 fp.getvalue())
+
+            def assert_verify(key):
+                self.assertTrue(ADDRESS_2 in key.address,
+                                'Signature could not be verified.')
+
+            d = self.km.verify(
+                signed_text, ADDRESS_2,
+                detached_sig=message.get_payload(1).get_payload())
+            d.addCallback(assert_verify)
+            return d
+
+        d = self.outgoing_mail._maybe_encrypt_and_sign(self.raw, recipient)
+        d.addCallback(check_signed)
+        d.addCallback(verify)
+        return d
+
+    def test_attach_key(self):
+        d = self.outgoing_mail._maybe_encrypt_and_sign(self.raw, self.dest)
+        d.addCallback(self._assert_encrypted)
+        d.addCallback(self._check_headers, self.lines[:4])
+        d.addCallback(lambda message: self.km.decrypt(
+            message.get_payload(1).get_payload(), ADDRESS))
+        d.addCallback(lambda (decrypted, _):
+                      self._check_key_attachment(Parser().parsestr(decrypted)))
+        return d
+
+    def test_attach_key_not_known(self):
+        unknown_address = "someunknownaddress@somewhere.com"
+        lines = deepcopy(self.lines)
+        lines[1] = "To: <%s>" % (unknown_address,)
+        raw = '\r\n'.join(lines)
+        dest = User(unknown_address, 'gateway.leap.se', self.proto, ADDRESS_2)
+
+        d = self.outgoing_mail._maybe_encrypt_and_sign(
+                raw, dest, fetch_remote=False)
+        d.addCallback(lambda (message, _):
+                      self._check_headers(message, lines[:4]))
+        d.addCallback(self._check_key_attachment)
+        d.addErrback(log.err)
+        return d
+
+    def _check_headers(self, message, headers):
+        msgstr = message.as_string(unixfrom=False)
+        for header in headers:
+            self.assertTrue(header in msgstr,
+                            "Missing header: %s" % (header,))
+        return message
+
+    def _check_key_attachment(self, message):
+        for payload in message.get_payload():
+            if payload.is_multipart():
+                return self._check_key_attachment(payload)
+            if 'application/pgp-keys' == payload.get_content_type():
+                keylines = PUBLIC_KEY_2.split('\n')
+                key = BEGIN_PUBLIC_KEY + '\n\n' + '\n'.join(keylines[4:-1])
+                self.assertTrue(key in payload.get_payload(decode=True),
+                                "Key attachment don't match")
+                return
+        self.fail("No public key attachment found")
+
+    def _set_sign_used(self, address):
+        def set_sign(key):
+            key.sign_used = True
+            return self.km.put_key(key)
+
+        d = self.km.get_key(address, fetch_remote=False)
+        d.addCallback(set_sign)
+        return d
+
+    def _assert_encrypted(self, res):
+        message, _ = res
+        self.assertTrue('Content-Type' in message)
+        self.assertEqual('multipart/encrypted', message.get_content_type())
+        self.assertEqual('application/pgp-encrypted',
+                         message.get_param('protocol'))
+        self.assertEqual(2, len(message.get_payload()))
+        self.assertEqual('application/pgp-encrypted',
+                         message.get_payload(0).get_content_type())
+        self.assertEqual('application/octet-stream',
+                         message.get_payload(1).get_content_type())
+        return message
diff --git a/src/leap/bitmask/mail/plugins/__init__.py b/src/leap/bitmask/mail/plugins/__init__.py
new file mode 100644
index 0000000..ddb8691
--- /dev/null
+++ b/src/leap/bitmask/mail/plugins/__init__.py
@@ -0,0 +1,3 @@
+from twisted.plugin import pluginPackagePaths
+__path__.extend(pluginPackagePaths(__name__))
+__all__ = []
diff --git a/src/leap/bitmask/mail/plugins/soledad_sync_hooks.py b/src/leap/bitmask/mail/plugins/soledad_sync_hooks.py
new file mode 100644
index 0000000..9d48126
--- /dev/null
+++ b/src/leap/bitmask/mail/plugins/soledad_sync_hooks.py
@@ -0,0 +1,19 @@
+# -*- coding: utf-8 -*-
+# soledad_sync_hooks.py
+# Copyright (C) 2015 LEAP
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+from leap.mail.sync_hooks import MailProcessingPostSyncHook
+post_sync_uid_reindexer = MailProcessingPostSyncHook()
diff --git a/src/leap/bitmask/mail/rfc3156.py b/src/leap/bitmask/mail/rfc3156.py
new file mode 100644
index 0000000..7d7bc0f
--- /dev/null
+++ b/src/leap/bitmask/mail/rfc3156.py
@@ -0,0 +1,390 @@
+# -*- coding: utf-8 -*-
+# rfc3156.py
+# Copyright (C) 2013 LEAP
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+"""
+Implements RFC 3156: MIME Security with OpenPGP.
+"""
+
+import base64
+from StringIO import StringIO
+
+from twisted.python import log
+from email.mime.application import MIMEApplication
+from email.mime.multipart import MIMEMultipart
+from email import errors
+from email.generator import (
+    Generator,
+    fcre,
+    NL,
+    _make_boundary,
+)
+
+
+#
+# A generator that solves http://bugs.python.org/issue14983
+#
+
+class RFC3156CompliantGenerator(Generator):
+    """
+    An email generator that addresses Python's issue #14983 for multipart
+    messages.
+
+    This is just a copy of email.generator.Generator which fixes the following
+    bug: http://bugs.python.org/issue14983
+    """
+
+    def _handle_multipart(self, msg):
+        """
+        A multipart handling implementation that addresses issue #14983.
+
+        This is just a copy of the parent's method which fixes the following
+        bug: http://bugs.python.org/issue14983 (see the line marked with
+        "(***)").
+
+        :param msg: The multipart message to be handled.
+        :type msg: email.message.Message
+        """
+        # The trick here is to write out each part separately, merge them all
+        # together, and then make sure that the boundary we've chosen isn't
+        # present in the payload.
+        msgtexts = []
+        subparts = msg.get_payload()
+        if subparts is None:
+            subparts = []
+        elif isinstance(subparts, basestring):
+            # e.g. a non-strict parse of a message with no starting boundary.
+            self._fp.write(subparts)
+            return
+        elif not isinstance(subparts, list):
+            # Scalar payload
+            subparts = [subparts]
+        for part in subparts:
+            s = StringIO()
+            g = self.clone(s)
+            g.flatten(part, unixfrom=False)
+            msgtexts.append(s.getvalue())
+        # BAW: What about boundaries that are wrapped in double-quotes?
+        boundary = msg.get_boundary()
+        if not boundary:
+            # Create a boundary that doesn't appear in any of the
+            # message texts.
+            alltext = NL.join(msgtexts)
+            boundary = _make_boundary(alltext)
+            msg.set_boundary(boundary)
+        # If there's a preamble, write it out, with a trailing CRLF
+        if msg.preamble is not None:
+            preamble = msg.preamble
+            if self._mangle_from_:
+                preamble = fcre.sub('>From ', msg.preamble)
+            self._fp.write(preamble + '\n')
+        # dash-boundary transport-padding CRLF
+        self._fp.write('--' + boundary + '\n')
+        # body-part
+        if msgtexts:
+            self._fp.write(msgtexts.pop(0))
+        # *encapsulation
+        # --> delimiter transport-padding
+        # --> CRLF body-part
+        for body_part in msgtexts:
+            # delimiter transport-padding CRLF
+            self._fp.write('\n--' + boundary + '\n')
+            # body-part
+            self._fp.write(body_part)
+        # close-delimiter transport-padding
+        self._fp.write('\n--' + boundary + '--' + '\n')  # (***) Solve #14983
+        if msg.epilogue is not None:
+            self._fp.write('\n')
+            epilogue = msg.epilogue
+            if self._mangle_from_:
+                epilogue = fcre.sub('>From ', msg.epilogue)
+            self._fp.write(epilogue)
+
+
+#
+# Base64 encoding: these are almost the same as python's email.encoder
+# solution, but a bit modified.
+#
+
+def _bencode(s):
+    """
+    Encode C{s} in base64.
+
+    :param s: The string to be encoded.
+    :type s: str
+    """
+    # We can't quite use base64.encodestring() since it tacks on a "courtesy
+    # newline".  Blech!
+    if not s:
+        return s
+    value = base64.encodestring(s)
+    return value[:-1]
+
+
+def encode_base64(msg):
+    """
+    Encode a non-multipart message's payload in Base64 (in place).
+
+    This method modifies the message contents in place and adds or replaces an
+    appropriate Content-Transfer-Encoding header.
+
+    :param msg: The non-multipart message to be encoded.
+    :type msg: email.message.Message
+    """
+    encoding = msg.get('Content-Transfer-Encoding', None)
+    if encoding is not None:
+        encoding = encoding.lower()
+    # XXX Python's email module can only decode quoted-printable, base64 and
+    # uuencoded data, so we might have to implement other decoding schemes in
+    # order to support RFC 3156 properly and correctly calculate signatures
+    # for multipart attachments (eg. 7bit or 8bit encoded attachments). For
+    # now, if content is already encoded as base64 or if it is encoded with
+    # some unknown encoding, we just pass.
+    if encoding in [None, 'quoted-printable', 'x-uuencode', 'uue', 'x-uue']:
+        orig = msg.get_payload(decode=True)
+        encdata = _bencode(orig)
+        msg.set_payload(encdata)
+        # replace or set the Content-Transfer-Encoding header.
+        try:
+            msg.replace_header('Content-Transfer-Encoding', 'base64')
+        except KeyError:
+            msg['Content-Transfer-Encoding'] = 'base64'
+    elif encoding is not 'base64':
+        log.err('Unknown content-transfer-encoding: %s' % encoding)
+
+
+def encode_base64_rec(msg):
+    """
+    Encode (possibly multipart) messages in base64 (in place).
+
+    This method modifies the message contents in place.
+
+    :param msg: The non-multipart message to be encoded.
+    :type msg: email.message.Message
+    """
+    if not msg.is_multipart():
+        encode_base64(msg)
+    else:
+        for sub in msg.get_payload():
+            encode_base64_rec(sub)
+
+
+#
+# RFC 1847: multipart/signed and multipart/encrypted
+#
+
+class MultipartSigned(MIMEMultipart):
+    """
+    Multipart/Signed MIME message according to RFC 1847.
+
+    2.1. Definition of Multipart/Signed
+
+      (1)  MIME type name: multipart
+      (2)  MIME subtype name: signed
+      (3)  Required parameters: boundary, protocol, and micalg
+      (4)  Optional parameters: none
+      (5)  Security considerations: Must be treated as opaque while in
+           transit
+
+    The multipart/signed content type contains exactly two body parts.
+    The first body part is the body part over which the digital signature
+    was created, including its MIME headers.  The second body part
+    contains the control information necessary to verify the digital
+    signature.  The first body part may contain any valid MIME content
+    type, labeled accordingly.  The second body part is labeled according
+    to the value of the protocol parameter.
+
+    When the OpenPGP digital signature is generated:
+
+    (1)   The data to be signed MUST first be converted to its content-
+          type specific canonical form.  For text/plain, this means
+          conversion to an appropriate character set and conversion of
+          line endings to the canonical <CR><LF> sequence.
+
+    (2)   An appropriate Content-Transfer-Encoding is then applied; see
+          section 3.  In particular, line endings in the encoded data
+          MUST use the canonical <CR><LF> sequence where appropriate
+          (note that the canonical line ending may or may not be present
+          on the last line of encoded data and MUST NOT be included in
+          the signature if absent).
+
+    (3)   MIME content headers are then added to the body, each ending
+          with the canonical <CR><LF> sequence.
+
+    (4)   As described in section 3 of this document, any trailing
+          whitespace MUST then be removed from the signed material.
+
+    (5)   As described in [2], the digital signature MUST be calculated
+          over both the data to be signed and its set of content headers.
+
+    (6)   The signature MUST be generated detached from the signed data
+          so that the process does not alter the signed data in any way.
+    """
+
+    def __init__(self, protocol, micalg, boundary=None, _subparts=None):
+        """
+        Initialize the multipart/signed message.
+
+        :param boundary: the multipart boundary string. By default it is
+            calculated as needed.
+        :type boundary: str
+        :param _subparts: a sequence of initial subparts for the payload. It
+            must be an iterable object, such as a list. You can always
+            attach new subparts to the message by using the attach() method.
+        :type _subparts: iterable
+        """
+        MIMEMultipart.__init__(
+            self, _subtype='signed', boundary=boundary,
+            _subparts=_subparts)
+        self.set_param('protocol', protocol)
+        self.set_param('micalg', micalg)
+
+    def attach(self, payload):
+        """
+        Add the C{payload} to the current payload list.
+
+        Also prevent from adding payloads with wrong Content-Type and from
+        exceeding a maximum of 2 payloads.
+
+        :param payload: The payload to be attached.
+        :type payload: email.message.Message
+        """
+        # second payload's content type must be equal to the protocol
+        # parameter given on object creation
+        if len(self.get_payload()) == 1:
+            if payload.get_content_type() != self.get_param('protocol'):
+                raise errors.MultipartConversionError(
+                    'Wrong content type %s.' % payload.get_content_type)
+        # prevent from adding more payloads
+        if len(self._payload) == 2:
+            raise errors.MultipartConversionError(
+                'Cannot have more than two subparts.')
+        MIMEMultipart.attach(self, payload)
+
+
+class MultipartEncrypted(MIMEMultipart):
+    """
+    Multipart/encrypted MIME message according to RFC 1847.
+
+    2.2. Definition of Multipart/Encrypted
+
+      (1)  MIME type name: multipart
+      (2)  MIME subtype name: encrypted
+      (3)  Required parameters: boundary, protocol
+      (4)  Optional parameters: none
+      (5)  Security considerations: none
+
+    The multipart/encrypted content type contains exactly two body parts.
+    The first body part contains the control information necessary to
+    decrypt the data in the second body part and is labeled according to
+    the value of the protocol parameter.  The second body part contains
+    the data which was encrypted and is always labeled
+    application/octet-stream.
+    """
+
+    def __init__(self, protocol, boundary=None, _subparts=None):
+        """
+        :param protocol: The encryption protocol to be added as a parameter to
+            the Content-Type header.
+        :type protocol: str
+        :param boundary: the multipart boundary string. By default it is
+            calculated as needed.
+        :type boundary: str
+        :param _subparts: a sequence of initial subparts for the payload. It
+            must be an iterable object, such as a list. You can always
+            attach new subparts to the message by using the attach() method.
+        :type _subparts: iterable
+        """
+        MIMEMultipart.__init__(
+            self, _subtype='encrypted', boundary=boundary,
+            _subparts=_subparts)
+        self.set_param('protocol', protocol)
+
+    def attach(self, payload):
+        """
+        Add the C{payload} to the current payload list.
+
+        Also prevent from adding payloads with wrong Content-Type and from
+        exceeding a maximum of 2 payloads.
+
+        :param payload: The payload to be attached.
+        :type payload: email.message.Message
+        """
+        # first payload's content type must be equal to the protocol parameter
+        # given on object creation
+        if len(self._payload) == 0:
+            if payload.get_content_type() != self.get_param('protocol'):
+                raise errors.MultipartConversionError(
+                    'Wrong content type.')
+        # second payload is always application/octet-stream
+        if len(self._payload) == 1:
+            if payload.get_content_type() != 'application/octet-stream':
+                raise errors.MultipartConversionError(
+                    'Wrong content type %s.' % payload.get_content_type)
+        # prevent from adding more payloads
+        if len(self._payload) == 2:
+            raise errors.MultipartConversionError(
+                'Cannot have more than two subparts.')
+        MIMEMultipart.attach(self, payload)
+
+
+#
+# RFC 3156: application/pgp-encrypted, application/pgp-signed and
+# application-pgp-signature.
+#
+
+class PGPEncrypted(MIMEApplication):
+    """
+    Application/pgp-encrypted MIME media type according to RFC 3156.
+
+      * MIME media type name: application
+      * MIME subtype name: pgp-encrypted
+      * Required parameters: none
+      * Optional parameters: none
+    """
+
+    def __init__(self, version=1):
+        data = "Version: %d" % version
+        MIMEApplication.__init__(self, data, 'pgp-encrypted')
+
+
+class PGPSignature(MIMEApplication):
+    """
+    Application/pgp-signature MIME media type according to RFC 3156.
+
+      * MIME media type name: application
+      * MIME subtype name: pgp-signature
+      * Required parameters: none
+      * Optional parameters: none
+    """
+    def __init__(self, _data, name='signature.asc'):
+        MIMEApplication.__init__(self, _data, 'pgp-signature',
+                                 _encoder=lambda x: x, name=name)
+        self.add_header('Content-Description', 'OpenPGP Digital Signature')
+
+
+class PGPKeys(MIMEApplication):
+    """
+    Application/pgp-keys MIME media type according to RFC 3156.
+
+      * MIME media type name: application
+      * MIME subtype name: pgp-keys
+      * Required parameters: none
+      * Optional parameters: none
+    """
+
+    def __init__(self, _data):
+        MIMEApplication.__init__(self, _data, 'pgp-keys')
diff --git a/src/leap/bitmask/mail/size.py b/src/leap/bitmask/mail/size.py
new file mode 100644
index 0000000..c9eaabd
--- /dev/null
+++ b/src/leap/bitmask/mail/size.py
@@ -0,0 +1,57 @@
+# -*- coding: utf-8 -*-
+# size.py
+# Copyright (C) 2014 LEAP
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+"""
+Recursively get size of objects.
+"""
+from gc import collect
+from itertools import chain
+from sys import getsizeof
+
+
+def _get_size(item, seen):
+    known_types = {dict: lambda d: chain.from_iterable(d.items())}
+    default_size = getsizeof(0)
+
+    def size_walk(item):
+        if id(item) in seen:
+            return 0
+        seen.add(id(item))
+        s = getsizeof(item, default_size)
+        for _type, fun in known_types.iteritems():
+            if isinstance(item, _type):
+                s += sum(map(size_walk, fun(item)))
+                break
+        return s
+
+    return size_walk(item)
+
+
+def get_size(item):
+    """
+    Return the cumulative size of a given object.
+
+    Currently it supports only dictionaries, and seemingly leaks
+    some memory, so use with care.
+
+    :param item: the item which size wants to be computed
+    :rtype: int
+    """
+    seen = set()
+    size = _get_size(item, seen)
+    del seen
+    collect()
+    return size
diff --git a/src/leap/bitmask/mail/smtp/README.rst b/src/leap/bitmask/mail/smtp/README.rst
new file mode 100644
index 0000000..1d3a903
--- /dev/null
+++ b/src/leap/bitmask/mail/smtp/README.rst
@@ -0,0 +1,44 @@
+Leap SMTP Gateway
+=================
+
+The Bitmask Client runs a thin SMTP gateway on the user's device, which
+intends to encrypt and sign outgoing messages to achieve point to point
+encryption.
+
+The gateway is bound to localhost and the user's MUA should be configured to
+send messages to it. After doing its thing, the gateway will relay the
+messages to the remote SMTP server.
+
+Outgoing mail workflow:
+
+  * SMTP gateway receives a message from the MUA.
+
+  * SMTP gateway queries Key Manager for the user's private key.
+
+  * For each recipient (including addresses in "To", "Cc" anc "Bcc" fields),
+    the following happens:
+
+    - The recipient's address is validated against RFC2822.
+
+    - An attempt is made to fetch the recipient's public PGP key.
+
+    - If key is not found:
+
+      - If the gateway is configured to only send encrypted messages the
+        recipient is rejected.
+
+      - Otherwise, the message is signed and sent as plain text.
+
+    - If the key is found, the message is encrypted to the recipient and
+      signed with the sender's private PGP key.
+
+  * Finally, one message for each recipient is gatewayed to provider's SMTP
+    server.
+
+
+Running tests
+-------------
+
+Tests are run using Twisted's Trial API, like this::
+
+    python setup.py test -s leap.mail.gateway.tests
diff --git a/src/leap/bitmask/mail/smtp/__init__.py b/src/leap/bitmask/mail/smtp/__init__.py
new file mode 100644
index 0000000..9fab70a
--- /dev/null
+++ b/src/leap/bitmask/mail/smtp/__init__.py
@@ -0,0 +1,73 @@
+# -*- coding: utf-8 -*-
+# __init__.py
+# Copyright (C) 2013 LEAP
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+"""
+SMTP gateway helper function.
+"""
+import logging
+import os
+
+from twisted.internet import reactor
+from twisted.internet.error import CannotListenError
+
+from leap.common.events import emit_async, catalog
+
+from leap.mail.smtp.gateway import SMTPFactory
+
+logger = logging.getLogger(__name__)
+
+
+SMTP_PORT = 2013
+
+
+def run_service(soledad_sessions, keymanager_sessions, sendmail_opts,
+                port=SMTP_PORT):
+    """
+    Main entry point to run the service from the client.
+
+    :param soledad_sessions: a dict-like object, containing instances
+                             of a Store (soledad instances), indexed by userid.
+    :param keymanager_sessions: a dict-like object, containing instances
+                                of Keymanager, indexed by userid.
+    :param sendmail_opts: a dict-like object of sendmailOptions.
+
+    :returns: the port as returned by the reactor when starts listening, and
+              the factory for the protocol.
+    :rtype: tuple
+    """
+    factory = SMTPFactory(soledad_sessions, keymanager_sessions,
+                          sendmail_opts)
+
+    try:
+        interface = "localhost"
+        # don't bind just to localhost if we are running on docker since we
+        # won't be able to access smtp from the host
+        if os.environ.get("LEAP_DOCKERIZED"):
+            interface = ''
+
+        # TODO Use Endpoints instead --------------------------------
+        tport = reactor.listenTCP(port, factory, interface=interface)
+        emit_async(catalog.SMTP_SERVICE_STARTED, str(port))
+
+        return factory, tport
+    except CannotListenError:
+        logger.error("STMP Service failed to start: "
+                     "cannot listen in port %s" % port)
+        emit_async(catalog.SMTP_SERVICE_FAILED_TO_START, str(port))
+    except Exception as exc:
+        logger.error("Unhandled error while launching smtp gateway service")
+        logger.exception(exc)
diff --git a/src/leap/bitmask/mail/smtp/bounces.py b/src/leap/bitmask/mail/smtp/bounces.py
new file mode 100644
index 0000000..7a4674b
--- /dev/null
+++ b/src/leap/bitmask/mail/smtp/bounces.py
@@ -0,0 +1,90 @@
+# -*- coding: utf-8 -*-
+# bounces.py
+# Copyright (C) 2016 LEAP
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+"""
+Deliver bounces to the user Inbox.
+"""
+import time
+from email.message import Message
+from email.utils import formatdate
+
+from leap.mail.constants import INBOX_NAME
+from leap.mail.mail import Account
+
+
+# TODO implement localization for this template.
+
+BOUNCE_TEMPLATE = """This is your local Bitmask Mail Agent running at localhost.
+
+I'm sorry to have to inform you that your message could not be delivered to one
+or more recipients.
+
+The reasons I got for the error are:
+
+{raw_error}
+
+If the problem persists and it's not a network connectivity issue, you might
+want to contact your provider ({provider}) with this information (remove any
+sensitive data before).
+
+--- Original message (*before* it was encrypted by bitmask) below ----:
+
+{orig}"""
+
+
+class Bouncer(object):
+    """
+    Implements a mechanism to deliver bounces to user inbox.
+    """
+    # TODO this should follow RFC 6522, and compose a correct multipart
+    # attaching the report and the original message. Leaving this for a future
+    # iteration.
+
+    def __init__(self, inbox_collection):
+        self._inbox_collection = inbox_collection
+
+    def bounce_message(self, error_data, to, date=None, orig=''):
+        if not date:
+            date = formatdate(time.time())
+
+        raw_data = self._format_msg(error_data, to, date, orig)
+        d = self._inbox_collection.add_msg(
+            raw_data, ('\\Recent',), date=date)
+        return d
+
+    def _format_msg(self, error_data, to, date, orig):
+        provider = to.split('@')[1]
+
+        msg = Message()
+        msg.add_header(
+            'From', 'bitmask-bouncer@localhost (Bitmask Local Agent)')
+        msg.add_header('To', to)
+        msg.add_header('Subject', 'Undelivered Message')
+        msg.add_header('Date', date)
+        msg.set_payload(BOUNCE_TEMPLATE.format(
+            raw_error=error_data,
+            provider=provider,
+            orig=orig))
+
+        return msg.as_string()
+
+
+def bouncerFactory(soledad):
+    user_id = soledad.uuid
+    acc = Account(soledad, user_id)
+    d = acc.callWhenReady(lambda _: acc.get_collection_by_mailbox(INBOX_NAME))
+    d.addCallback(lambda inbox: Bouncer(inbox))
+    return d
diff --git a/src/leap/bitmask/mail/smtp/gateway.py b/src/leap/bitmask/mail/smtp/gateway.py
new file mode 100644
index 0000000..e49bbe8
--- /dev/null
+++ b/src/leap/bitmask/mail/smtp/gateway.py
@@ -0,0 +1,413 @@
+# -*- coding: utf-8 -*-
+# gateway.py
+# Copyright (C) 2013 LEAP
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+"""
+LEAP SMTP encrypted gateway.
+
+The following classes comprise the SMTP gateway service:
+
+    * SMTPFactory - A twisted.internet.protocol.ServerFactory that provides
+      the SMTPDelivery protocol.
+
+    * SMTPDelivery - A twisted.mail.smtp.IMessageDelivery implementation. It
+      knows how to validate sender and receiver of messages and it generates
+      an EncryptedMessage for each recipient.
+
+    * EncryptedMessage - An implementation of twisted.mail.smtp.IMessage that
+      knows how to encrypt/sign itself before sending.
+"""
+from email.Header import Header
+
+from zope.interface import implements
+from zope.interface import implementer
+
+from twisted.cred.portal import Portal, IRealm
+from twisted.mail import smtp
+from twisted.mail.imap4 import LOGINCredentials, PLAINCredentials
+from twisted.internet import defer, protocol
+from twisted.python import log
+
+from leap.common.check import leap_assert_type
+from leap.common.events import emit_async, catalog
+from leap.mail import errors
+from leap.mail.cred import LocalSoledadTokenChecker
+from leap.mail.utils import validate_address
+from leap.mail.rfc3156 import RFC3156CompliantGenerator
+from leap.mail.outgoing.service import outgoingFactory
+from leap.mail.smtp.bounces import bouncerFactory
+from leap.keymanager.errors import KeyNotFound
+
+# replace email generator with a RFC 3156 compliant one.
+from email import generator
+
+generator.Generator = RFC3156CompliantGenerator
+
+
+LOCAL_FQDN = "bitmask.local"
+
+
+@implementer(IRealm)
+class LocalSMTPRealm(object):
+
+    _encoding = 'utf-8'
+
+    def __init__(self, keymanager_sessions, soledad_sessions, sendmail_opts,
+                 encrypted_only=False):
+        """
+        :param keymanager_sessions: a dict-like object, containing instances
+                                 of a Keymanager objects, indexed by
+                                 userid.
+        """
+        self._keymanager_sessions = keymanager_sessions
+        self._soledad_sessions = soledad_sessions
+        self._sendmail_opts = sendmail_opts
+        self.encrypted_only = encrypted_only
+
+    def requestAvatar(self, avatarId, mind, *interfaces):
+
+        if isinstance(avatarId, str):
+            avatarId = avatarId.decode(self._encoding)
+
+        def gotKeymanagerAndSoledad(result):
+            keymanager, soledad = result
+            d = bouncerFactory(soledad)
+            d.addCallback(lambda bouncer: (keymanager, soledad, bouncer))
+            return d
+
+        def getMessageDelivery(result):
+            keymanager, soledad, bouncer = result
+            # TODO use IMessageDeliveryFactory instead ?
+            # it could reuse the connections.
+            if smtp.IMessageDelivery in interfaces:
+                userid = avatarId
+                opts = self.getSendingOpts(userid)
+
+                outgoing = outgoingFactory(
+                    userid, keymanager, opts, bouncer=bouncer)
+                avatar = SMTPDelivery(userid, keymanager, self.encrypted_only,
+                                      outgoing)
+
+                return (smtp.IMessageDelivery, avatar,
+                        getattr(avatar, 'logout', lambda: None))
+
+            raise NotImplementedError(self, interfaces)
+
+        d1 = self.lookupKeymanagerInstance(avatarId)
+        d2 = self.lookupSoledadInstance(avatarId)
+        d = defer.gatherResults([d1, d2])
+        d.addCallback(gotKeymanagerAndSoledad)
+        d.addCallback(getMessageDelivery)
+        return d
+
+    def lookupKeymanagerInstance(self, userid):
+        try:
+            keymanager = self._keymanager_sessions[userid]
+        except:
+            raise errors.AuthenticationError(
+                'No keymanager session found for user %s. Is it authenticated?'
+                % userid)
+        # XXX this should return the instance after whenReady callback
+        return defer.succeed(keymanager)
+
+    def lookupSoledadInstance(self, userid):
+        try:
+            soledad = self._soledad_sessions[userid]
+        except:
+            raise errors.AuthenticationError(
+                'No soledad session found for user %s. Is it authenticated?'
+                % userid)
+        # XXX this should return the instance after whenReady callback
+        return defer.succeed(soledad)
+
+    def getSendingOpts(self, userid):
+        try:
+            opts = self._sendmail_opts[userid]
+        except KeyError:
+            raise errors.ConfigurationError(
+                'No sendingMail options found for user %s' % userid)
+        return opts
+
+
+class SMTPTokenChecker(LocalSoledadTokenChecker):
+    """A credentials checker that will lookup a token for the SMTP service.
+    For now it will be using the same identifier than IMAPTokenChecker"""
+
+    service = 'mail_auth'
+
+    # TODO besides checking for token credential,
+    # we could also verify the certificate here.
+
+
+class LEAPInitMixin(object):
+
+    """
+    A Mixin that takes care of initialization of all the data needed to access
+    LEAP sessions.
+    """
+    def __init__(self, soledad_sessions, keymanager_sessions, sendmail_opts,
+                 encrypted_only=False):
+        realm = LocalSMTPRealm(
+            keymanager_sessions, soledad_sessions, sendmail_opts,
+            encrypted_only)
+        portal = Portal(realm)
+
+        checker = SMTPTokenChecker(soledad_sessions)
+        self.checker = checker
+        self.portal = portal
+        portal.registerChecker(checker)
+
+
+class LocalSMTPServer(smtp.ESMTP, LEAPInitMixin):
+    """
+    The Production ESMTP Server: Authentication Needed.
+    Authenticates against SMTP Token stored in Local Soledad instance.
+    The Realm will produce a Delivery Object that handles encryption/signing.
+    """
+
+    # TODO: implement Queue using twisted.mail.mail.MailService
+
+    def __init__(self, soledads, keyms, sendmailopts, *args, **kw):
+        encrypted_only = kw.pop('encrypted_only', False)
+
+        LEAPInitMixin.__init__(self, soledads, keyms, sendmailopts,
+                               encrypted_only)
+        smtp.ESMTP.__init__(self, *args, **kw)
+
+
+# TODO implement retries -- see smtp.SenderMixin
+class SMTPFactory(protocol.ServerFactory):
+    """
+    Factory for an SMTP server with encrypted gatewaying capabilities.
+    """
+
+    protocol = LocalSMTPServer
+    domain = LOCAL_FQDN
+    timeout = 600
+    encrypted_only = False
+
+    def __init__(self, soledad_sessions, keymanager_sessions, sendmail_opts,
+                 deferred=None, retries=3):
+
+        self._soledad_sessions = soledad_sessions
+        self._keymanager_sessions = keymanager_sessions
+        self._sendmail_opts = sendmail_opts
+
+    def buildProtocol(self, addr):
+        p = self.protocol(
+            self._soledad_sessions, self._keymanager_sessions,
+            self._sendmail_opts, encrypted_only=self.encrypted_only)
+        p.factory = self
+        p.host = LOCAL_FQDN
+        p.challengers = {"LOGIN": LOGINCredentials, "PLAIN": PLAINCredentials}
+        return p
+
+
+#
+# SMTPDelivery
+#
+
+@implementer(smtp.IMessageDelivery)
+class SMTPDelivery(object):
+    """
+    Validate email addresses and handle message delivery.
+    """
+
+    def __init__(self, userid, keymanager, encrypted_only, outgoing_mail):
+        """
+        Initialize the SMTP delivery object.
+
+        :param userid: The user currently logged in
+        :type userid: unicode
+        :param keymanager: A Key Manager from where to get recipients' public
+                           keys.
+        :param encrypted_only: Whether the SMTP gateway should send unencrypted
+                               mail or not.
+        :type encrypted_only: bool
+        :param outgoing_mail: The outgoing mail to send the message
+        :type outgoing_mail: leap.mail.outgoing.service.OutgoingMail
+        """
+        self._userid = userid
+        self._outgoing_mail = outgoing_mail
+        self._km = keymanager
+        self._encrypted_only = encrypted_only
+        self._origin = None
+
+    def receivedHeader(self, helo, origin, recipients):
+        """
+        Generate the 'Received:' header for a message.
+
+        :param helo: The argument to the HELO command and the client's IP
+            address.
+        :type helo: (str, str)
+        :param origin: The address the message is from.
+        :type origin: twisted.mail.smtp.Address
+        :param recipients: A list of the addresses for which this message is
+            bound.
+        :type: list of twisted.mail.smtp.User
+
+        @return: The full "Received" header string.
+        :type: str
+        """
+        myHostname, clientIP = helo
+        headerValue = "by bitmask.local from %s with ESMTP ; %s" % (
+            clientIP, smtp.rfc822date())
+        # email.Header.Header used for automatic wrapping of long lines
+        return "Received: %s" % Header(s=headerValue, header_name='Received')
+
+    def validateTo(self, user):
+        """
+        Validate the address of a recipient of the message, possibly
+        rejecting it if the recipient key is not available.
+
+        This method is called once for each recipient, i.e. for each SMTP
+        protocol line beginning with "RCPT TO:", which includes all addresses
+        in "To", "Cc" and "Bcc" MUA fields.
+
+        The recipient's address is validated against the RFC 2822 definition.
+        If self._encrypted_only is True and no key is found for a recipient,
+        then that recipient is rejected.
+
+        The method returns an encrypted message object that is able to send
+        itself to the user's address.
+
+        :param user: The user whose address we wish to validate.
+        :type: twisted.mail.smtp.User
+
+        @return: A callable which takes no arguments and returns an
+                 encryptedMessage.
+        @rtype: no-argument callable
+
+        @raise SMTPBadRcpt: Raised if messages to the address are not to be
+                            accepted.
+        """
+        # try to find recipient's public key
+        address = validate_address(user.dest.addrstr)
+
+        # verify if recipient key is available in keyring
+        def found(_):
+            log.msg("Accepting mail for %s..." % user.dest.addrstr)
+            emit_async(catalog.SMTP_RECIPIENT_ACCEPTED_ENCRYPTED,
+                       self._userid, user.dest.addrstr)
+
+        def not_found(failure):
+            failure.trap(KeyNotFound)
+
+            # if key was not found, check config to see if will send anyway
+            if self._encrypted_only:
+                emit_async(catalog.SMTP_RECIPIENT_REJECTED, self._userid,
+                           user.dest.addrstr)
+                raise smtp.SMTPBadRcpt(user.dest.addrstr)
+            log.msg("Warning: will send an unencrypted message (because "
+                    "encrypted_only' is set to False).")
+            emit_async(
+                catalog.SMTP_RECIPIENT_ACCEPTED_UNENCRYPTED,
+                self._userid, user.dest.addrstr)
+
+        def encrypt_func(_):
+            return lambda: EncryptedMessage(user, self._outgoing_mail)
+
+        d = self._km.get_key(address)
+        d.addCallbacks(found, not_found)
+        d.addCallback(encrypt_func)
+        return d
+
+    def validateFrom(self, helo, origin):
+        """
+        Validate the address from which the message originates.
+
+        :param helo: The argument to the HELO command and the client's IP
+            address.
+        :type: (str, str)
+        :param origin: The address the message is from.
+        :type origin: twisted.mail.smtp.Address
+
+        @return: origin or a Deferred whose callback will be passed origin.
+        @rtype: Deferred or Address
+
+        @raise twisted.mail.smtp.SMTPBadSender: Raised if messages from this
+            address are not to be accepted.
+        """
+        # accept mail from anywhere. To reject an address, raise
+        # smtp.SMTPBadSender here.
+        if str(origin) != str(self._userid):
+            log.msg("Rejecting sender {0}, expected {1}".format(origin,
+                                                                self._userid))
+            raise smtp.SMTPBadSender(origin)
+        self._origin = origin
+        return origin
+
+
+#
+# EncryptedMessage
+#
+
+class EncryptedMessage(object):
+    """
+    Receive plaintext from client, encrypt it and send message to a
+    recipient.
+    """
+    implements(smtp.IMessage)
+
+    def __init__(self, user, outgoing_mail):
+        """
+        Initialize the encrypted message.
+
+        :param user: The recipient of this message.
+        :type user: twisted.mail.smtp.User
+        :param outgoing_mail: The outgoing mail to send the message
+        :type outgoing_mail: leap.mail.outgoing.service.OutgoingMail
+        """
+        # assert params
+        leap_assert_type(user, smtp.User)
+
+        self._user = user
+        self._lines = []
+        self._outgoing_mail = outgoing_mail
+
+    def lineReceived(self, line):
+        """
+        Handle another line.
+
+        :param line: The received line.
+        :type line: str
+        """
+        self._lines.append(line)
+
+    def eomReceived(self):
+        """
+        Handle end of message.
+
+        This method will encrypt and send the message.
+
+        :returns: a deferred
+        """
+        log.msg("Message data complete.")
+        self._lines.append('')  # add a trailing newline
+        raw_mail = '\r\n'.join(self._lines)
+
+        return self._outgoing_mail.send_message(raw_mail, self._user)
+
+    def connectionLost(self):
+        """
+        Log an error when the connection is lost.
+        """
+        log.msg("Connection lost unexpectedly!")
+        log.err()
+        emit_async(catalog.SMTP_CONNECTION_LOST, self._userid,
+                   self._user.dest.addrstr)
+        # unexpected loss of connection; don't save
+
+        self._lines = []
diff --git a/src/leap/bitmask/mail/smtp/tests/185CA770.key b/src/leap/bitmask/mail/smtp/tests/185CA770.key
new file mode 100644
index 0000000..587b416
--- /dev/null
+++ b/src/leap/bitmask/mail/smtp/tests/185CA770.key
@@ -0,0 +1,79 @@
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+Version: GnuPG v1.4.10 (GNU/Linux)
+
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diff --git a/src/leap/bitmask/mail/smtp/tests/185CA770.pub b/src/leap/bitmask/mail/smtp/tests/185CA770.pub
new file mode 100644
index 0000000..38af19f
--- /dev/null
+++ b/src/leap/bitmask/mail/smtp/tests/185CA770.pub
@@ -0,0 +1,52 @@
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+Version: GnuPG v1.4.10 (GNU/Linux)
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+q3iu
+=RChS
+-----END PGP PUBLIC KEY BLOCK-----
diff --git a/src/leap/bitmask/mail/smtp/tests/cert/server.crt b/src/leap/bitmask/mail/smtp/tests/cert/server.crt
new file mode 100644
index 0000000..a27391c
--- /dev/null
+++ b/src/leap/bitmask/mail/smtp/tests/cert/server.crt
@@ -0,0 +1,29 @@
+-----BEGIN CERTIFICATE-----
+MIIFBjCCAu4CCQCWn3oMoQrDJTANBgkqhkiG9w0BAQUFADBFMQswCQYDVQQGEwJV
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+-----END CERTIFICATE-----
diff --git a/src/leap/bitmask/mail/smtp/tests/cert/server.key b/src/leap/bitmask/mail/smtp/tests/cert/server.key
new file mode 100644
index 0000000..197a449
--- /dev/null
+++ b/src/leap/bitmask/mail/smtp/tests/cert/server.key
@@ -0,0 +1,51 @@
+-----BEGIN RSA PRIVATE KEY-----
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+s+AgrZ4qYmskrFaD0PHakWsQNHGC8yOh80lgE3Gl4nxSGAvkcR7dkSmsIQFL
+-----END RSA PRIVATE KEY-----
diff --git a/src/leap/bitmask/mail/smtp/tests/mail.txt b/src/leap/bitmask/mail/smtp/tests/mail.txt
new file mode 100644
index 0000000..9542047
--- /dev/null
+++ b/src/leap/bitmask/mail/smtp/tests/mail.txt
@@ -0,0 +1,10 @@
+HELO drebs@riseup.net
+MAIL FROM: drebs@riseup.net
+RCPT TO: drebs@riseup.net
+RCPT TO: drebs@leap.se
+DATA
+Subject: leap test
+
+Hello world!
+.
+QUIT
diff --git a/src/leap/bitmask/mail/smtp/tests/test_gateway.py b/src/leap/bitmask/mail/smtp/tests/test_gateway.py
new file mode 100644
index 0000000..9d88afb
--- /dev/null
+++ b/src/leap/bitmask/mail/smtp/tests/test_gateway.py
@@ -0,0 +1,181 @@
+# -*- coding: utf-8 -*-
+# test_gateway.py
+# Copyright (C) 2013 LEAP
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+"""
+SMTP gateway tests.
+"""
+import re
+import tempfile
+from datetime import datetime
+
+from twisted.internet import reactor
+from twisted.internet.defer import inlineCallbacks, fail, succeed, Deferred
+from twisted.test import proto_helpers
+
+from mock import Mock
+
+from leap.keymanager import openpgp, errors
+from leap.mail.testing import KeyManagerWithSoledadTestCase
+from leap.mail.testing import ADDRESS, ADDRESS_2
+from leap.mail.testing.smtp import getSMTPFactory, TEST_USER
+
+
+# some regexps
+IP_REGEX = "(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}" + \
+    "([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])"
+HOSTNAME_REGEX = "(([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\-]*[a-zA-Z0-9])\.)*" + \
+    "([A-Za-z0-9]|[A-Za-z0-9][A-Za-z0-9\-]*[A-Za-z0-9])"
+IP_OR_HOST_REGEX = '(' + IP_REGEX + '|' + HOSTNAME_REGEX + ')'
+
+
+class TestSmtpGateway(KeyManagerWithSoledadTestCase):
+
+    EMAIL_DATA = ['HELO gateway.leap.se',
+                  'MAIL FROM: <%s>' % ADDRESS_2,
+                  'RCPT TO: <%s>' % ADDRESS,
+                  'DATA',
+                  'From: User <%s>' % ADDRESS_2,
+                  'To: Leap <%s>' % ADDRESS,
+                  'Date: ' + datetime.now().strftime('%c'),
+                  'Subject: test message',
+                  '',
+                  'This is a secret message.',
+                  'Yours,',
+                  'A.',
+                  '',
+                  '.',
+                  'QUIT']
+
+    def setUp(self):
+        # pytest handles correctly the setupEnv for the class,
+        # but trial ignores it.
+        if not getattr(self, 'tempdir', None):
+            self.tempdir = tempfile.mkdtemp()
+        return KeyManagerWithSoledadTestCase.setUp(self)
+
+    def tearDown(self):
+        return KeyManagerWithSoledadTestCase.tearDown(self)
+
+    def assertMatch(self, string, pattern, msg=None):
+        if not re.match(pattern, string):
+            msg = self._formatMessage(msg, '"%s" does not match pattern "%s".'
+                                           % (string, pattern))
+            raise self.failureException(msg)
+
+    @inlineCallbacks
+    def test_gateway_accepts_valid_email(self):
+        """
+        Test if SMTP server responds correctly for valid interaction.
+        """
+
+        SMTP_ANSWERS = ['220 ' + IP_OR_HOST_REGEX +
+                        ' NO UCE NO UBE NO RELAY PROBES',
+                        '250 ' + IP_OR_HOST_REGEX + ' Hello ' +
+                        IP_OR_HOST_REGEX + ', nice to meet you',
+                        '250 Sender address accepted',
+                        '250 Recipient address accepted',
+                        '354 Continue']
+
+        user = TEST_USER
+        proto = getSMTPFactory({user: None}, {user: self.km}, {user: None})
+        transport = proto_helpers.StringTransport()
+        proto.makeConnection(transport)
+        reply = ""
+        for i, line in enumerate(self.EMAIL_DATA):
+            reply += yield self.getReply(line + '\r\n', proto, transport)
+        self.assertMatch(reply, '\r\n'.join(SMTP_ANSWERS),
+                         'Did not get expected answer from gateway.')
+        proto.setTimeout(None)
+
+    @inlineCallbacks
+    def test_missing_key_rejects_address(self):
+        """
+        Test if server rejects to send unencrypted when 'encrypted_only' is
+        True.
+        """
+        # remove key from key manager
+        pubkey = yield self.km.get_key(ADDRESS)
+        pgp = openpgp.OpenPGPScheme(
+            self._soledad, gpgbinary=self.gpg_binary_path)
+        yield pgp.delete_key(pubkey)
+        # mock the key fetching
+        self.km._fetch_keys_from_server = Mock(
+            return_value=fail(errors.KeyNotFound()))
+        user = TEST_USER
+        proto = getSMTPFactory(
+            {user: None}, {user: self.km}, {user: None},
+            encrypted_only=True)
+        transport = proto_helpers.StringTransport()
+        proto.makeConnection(transport)
+        yield self.getReply(self.EMAIL_DATA[0] + '\r\n', proto, transport)
+        yield self.getReply(self.EMAIL_DATA[1] + '\r\n', proto, transport)
+        reply = yield self.getReply(self.EMAIL_DATA[2] + '\r\n',
+                                    proto, transport)
+        # ensure the address was rejected
+        self.assertEqual(
+            '550 Cannot receive for specified address\r\n',
+            reply,
+            'Address should have been rejected with appropriate message.')
+        proto.setTimeout(None)
+
+    @inlineCallbacks
+    def test_missing_key_accepts_address(self):
+        """
+        Test if server accepts to send unencrypted when 'encrypted_only' is
+        False.
+        """
+        # remove key from key manager
+        pubkey = yield self.km.get_key(ADDRESS)
+        pgp = openpgp.OpenPGPScheme(
+            self._soledad, gpgbinary=self.gpg_binary_path)
+        yield pgp.delete_key(pubkey)
+        # mock the key fetching
+        self.km._fetch_keys_from_server = Mock(
+            return_value=fail(errors.KeyNotFound()))
+        user = TEST_USER
+        proto = getSMTPFactory({user: None}, {user: self.km}, {user: None})
+        transport = proto_helpers.StringTransport()
+        proto.makeConnection(transport)
+        yield self.getReply(self.EMAIL_DATA[0] + '\r\n', proto, transport)
+        yield self.getReply(self.EMAIL_DATA[1] + '\r\n', proto, transport)
+        reply = yield self.getReply(self.EMAIL_DATA[2] + '\r\n',
+                                    proto, transport)
+        # ensure the address was accepted
+        self.assertEqual(
+            '250 Recipient address accepted\r\n',
+            reply,
+            'Address should have been accepted with appropriate message.')
+        proto.setTimeout(None)
+
+    def getReply(self, line, proto, transport):
+        proto.lineReceived(line)
+
+        if line[:4] not in ['HELO', 'MAIL', 'RCPT', 'DATA']:
+            return succeed("")
+
+        def check_transport(_):
+            reply = transport.value()
+            if reply:
+                transport.clear()
+                return succeed(reply)
+
+            d = Deferred()
+            d.addCallback(check_transport)
+            reactor.callLater(0, lambda: d.callback(None))
+            return d
+
+        return check_transport(None)
diff --git a/src/leap/bitmask/mail/sync_hooks.py b/src/leap/bitmask/mail/sync_hooks.py
new file mode 100644
index 0000000..8efbb7c
--- /dev/null
+++ b/src/leap/bitmask/mail/sync_hooks.py
@@ -0,0 +1,120 @@
+# -*- coding: utf-8 -*-
+# sync_hooks.py
+# Copyright (C) 2015 LEAP
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+"""
+Soledad PostSync Hooks.
+
+Process every new document of interest after every soledad synchronization,
+using the hooks that soledad exposes via plugins.
+"""
+import logging
+
+from re import compile as regex_compile
+
+from zope.interface import implements
+from twisted.internet import defer
+from twisted.plugin import IPlugin
+from twisted.python import log
+
+from leap.soledad.client.interfaces import ISoledadPostSyncPlugin
+from leap.mail import constants
+
+logger = logging.getLogger(__name__)
+
+
+def _get_doc_type_preffix(s):
+    return s[:2]
+
+
+class MailProcessingPostSyncHook(object):
+    implements(IPlugin, ISoledadPostSyncPlugin)
+
+    META_DOC_PREFFIX = _get_doc_type_preffix(constants.METAMSGID)
+    watched_doc_types = (META_DOC_PREFFIX, )
+
+    _account = None
+    _pending_docs = []
+    _processing_deferreds = []
+
+    def process_received_docs(self, doc_id_list):
+        if self._has_configured_account():
+            process_fun = self._make_uid_index
+        else:
+            self._processing_deferreds = []
+            process_fun = self._queue_doc_id
+
+        for doc_id in doc_id_list:
+            if _get_doc_type_preffix(doc_id) in self.watched_doc_types:
+                log.msg("Mail post-sync hook: processing %s" % doc_id)
+                process_fun(doc_id)
+
+        return defer.gatherResults(self._processing_deferreds)
+
+    def set_account(self, account):
+        self._account = account
+        if account:
+            self._process_queued_docs()
+
+    def _has_configured_account(self):
+        return self._account is not None
+
+    def _queue_doc_id(self, doc_id):
+        self._pending_docs.append(doc_id)
+
+    def _make_uid_index(self, mdoc_id):
+        indexer = self._account.mbox_indexer
+        mbox_uuid = _get_mbox_uuid(mdoc_id)
+        if mbox_uuid:
+            chash = _get_chash_from_mdoc(mdoc_id)
+            logger.debug("Making index table for %s:%s" % (mbox_uuid, chash))
+            index_docid = constants.METAMSGID.format(
+                mbox_uuid=mbox_uuid.replace('-', '_'),
+                chash=chash)
+            # XXX could avoid creating table if I track which ones I already
+            # have seen -- but make sure *it's already created* before
+            # inserting the index entry!.
+            d = indexer.create_table(mbox_uuid)
+            d.addBoth(lambda _: indexer.insert_doc(mbox_uuid, index_docid))
+            self._processing_deferreds.append(d)
+
+    def _process_queued_docs(self):
+        assert(self._has_configured_account())
+        pending = self._pending_docs
+        log.msg("Mail post-sync hook: processing queued docs")
+
+        def remove_pending_docs(res):
+            self._pending_docs = []
+            return res
+
+        d = self.process_received_docs(pending)
+        d.addCallback(remove_pending_docs)
+        return d
+
+
+_mbox_uuid_regex = regex_compile(constants.METAMSGID_MBOX_RE)
+_mdoc_chash_regex = regex_compile(constants.METAMSGID_CHASH_RE)
+
+
+def _get_mbox_uuid(doc_id):
+    matches = _mbox_uuid_regex.findall(doc_id)
+    if matches:
+        return matches[0].replace('_', '-')
+
+
+def _get_chash_from_mdoc(doc_id):
+    matches = _mdoc_chash_regex.findall(doc_id)
+    if matches:
+        return matches[0]
diff --git a/src/leap/bitmask/mail/testing/__init__.py b/src/leap/bitmask/mail/testing/__init__.py
new file mode 100644
index 0000000..8822a5c
--- /dev/null
+++ b/src/leap/bitmask/mail/testing/__init__.py
@@ -0,0 +1,353 @@
+# -*- coding: utf-8 -*-
+# __init__.py
+# Copyright (C) 2013 LEAP
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+"""
+Base classes and keys for leap.mail tests.
+"""
+import os
+import distutils.spawn
+from mock import Mock
+from twisted.internet.defer import gatherResults
+from twisted.trial import unittest
+from twisted.internet import defer
+
+
+from leap.soledad.client import Soledad
+from leap.keymanager import KeyManager
+
+
+from leap.common.testing.basetest import BaseLeapTest
+
+ADDRESS = 'leap@leap.se'
+ADDRESS_2 = 'anotheruser@leap.se'
+
+
+class defaultMockSharedDB(object):
+    get_doc = Mock(return_value=None)
+    put_doc = Mock(side_effect=None)
+    open = Mock(return_value=None)
+    close = Mock(return_value=None)
+    syncable = True
+
+    def __call__(self):
+        return self
+
+
+class KeyManagerWithSoledadTestCase(unittest.TestCase, BaseLeapTest):
+
+    def setUp(self):
+        self.gpg_binary_path = self._find_gpg()
+
+        self._soledad = Soledad(
+            u"leap@leap.se",
+            u"123456",
+            secrets_path=self.tempdir + "/secret.gpg",
+            local_db_path=self.tempdir + "/soledad.u1db",
+            server_url='',
+            cert_file=None,
+            auth_token=None,
+            shared_db=defaultMockSharedDB(),
+            syncable=False)
+
+        self.km = self._key_manager()
+
+        class Response(object):
+            code = 200
+            phrase = ''
+
+            def deliverBody(self, x):
+                return ''
+
+        self.km._async_client_pinned.request = Mock(
+            return_value=defer.succeed(Response()))
+
+        d1 = self.km.put_raw_key(PRIVATE_KEY, ADDRESS)
+        d2 = self.km.put_raw_key(PRIVATE_KEY_2, ADDRESS_2)
+        return gatherResults([d1, d2])
+
+    def tearDown(self):
+        km = self._key_manager()
+        # wait for the indexes to be ready for the tear down
+        d = km._openpgp.deferred_init
+        d.addCallback(lambda _: self.delete_all_keys(km))
+        d.addCallback(lambda _: self._soledad.close())
+        return d
+
+    def delete_all_keys(self, km):
+        def delete_keys(keys):
+            deferreds = []
+            for key in keys:
+                d = km._openpgp.delete_key(key)
+                deferreds.append(d)
+            return gatherResults(deferreds)
+
+        def check_deleted(_, private):
+            d = km.get_all_keys(private=private)
+            d.addCallback(lambda keys: self.assertEqual(keys, []))
+            return d
+
+        deferreds = []
+        for private in [True, False]:
+            d = km.get_all_keys(private=private)
+            d.addCallback(delete_keys)
+            d.addCallback(check_deleted, private)
+            deferreds.append(d)
+        return gatherResults(deferreds)
+
+    def _key_manager(self, user=ADDRESS, url='', token=None,
+                     ca_cert_path=None):
+        return KeyManager(user, url, self._soledad, token=token,
+                          gpgbinary=self.gpg_binary_path,
+                          ca_cert_path=ca_cert_path)
+
+    def _find_gpg(self):
+        gpg_path = distutils.spawn.find_executable('gpg')
+        if gpg_path is not None:
+            return os.path.realpath(gpg_path)
+        else:
+            return "/usr/bin/gpg"
+
+    def get_public_binary_key(self):
+        with open(PATH + '/fixtures/public_key.bin', 'r') as binary_public_key:
+            return binary_public_key.read()
+
+    def get_private_binary_key(self):
+        with open(
+                PATH + '/fixtures/private_key.bin', 'r') as binary_private_key:
+            return binary_private_key.read()
+
+
+# key 24D18DDF: public key "Leap Test Key <leap@leap.se>"
+KEY_FINGERPRINT = "E36E738D69173C13D709E44F2F455E2824D18DDF"
+PUBLIC_KEY = """
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+Version: GnuPG v1.4.10 (GNU/Linux)
+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+ZtQ/VymwFL3XdUWV6B/hU4PVAFvO3qlOtdJ6TpE+nEWgcWjCv5g7RjXX
+=MuOY
+-----END PGP PUBLIC KEY BLOCK-----
+"""
+PRIVATE_KEY = """
+-----BEGIN PGP PRIVATE KEY BLOCK-----
+Version: GnuPG v1.4.10 (GNU/Linux)
+
+lQcYBFC9+dkBEADNRfwV23TWEoGc/x0wWH1P7PlXt8MnC2Z1kKaKKmfnglVrpOiz
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+RZXoH+FTg9UAW87eqU610npOkT6cRaBxaMK/mDtGNdc=
+=JTFu
+-----END PGP PRIVATE KEY BLOCK-----
+"""
+
+# key 7FEE575A: public key "anotheruser <anotheruser@leap.se>"
+PUBLIC_KEY_2 = """
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+Version: GnuPG v1.4.10 (GNU/Linux)
+
+mI0EUYwJXgEEAMbTKHuPJ5/Gk34l9Z06f+0WCXTDXdte1UBoDtZ1erAbudgC4MOR
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+I+RS/3we6zpMfHs3vvp9xgca6ZupQxivGtxlJs294TpJorx+mFFqbV17AzQ=
+=Thdu
+-----END PGP PUBLIC KEY BLOCK-----
+"""
+
+PRIVATE_KEY_2 = """
+-----BEGIN PGP PRIVATE KEY BLOCK-----
+Version: GnuPG v1.4.10 (GNU/Linux)
+
+lQHYBFGMCV4BBADG0yh7jyefxpN+JfWdOn/tFgl0w13bXtVAaA7WdXqwG7nYAuDD
+kYKriqqI9x4cNPyC6ifPBnDiZiiv2xKCALimqpcwxe1AGKTrD2WWJrUXzwtqUwp1
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+CwkIBwMCBhUIAgkKCwQWAgMBAh4BAheAAAoJEH+d+mh/7ldai24D/i0s3gSBSvsh
+8vLYeQcDHPDsDiup8w33YMgz2ZmsMZpZGs6fdpUXtVTVQbswOQd8++n9wXB7OgLD
+izgigdVz+lWU6RwdLK3j9F+Hbjy1gQmYUIlcYemQrzdUgpgkCK2E1xwnpDgkT+jT
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+cLOqZbZw8t/24+D+Pq9mMP2uUvCFFqLlVvA6D3vKSQ/XNN+YB919WQ04jh63yuRe
+94WenT1RJd6xU1aaUff4rKizuQARAQABAAP9EyElqJ3dq3EErXwwT4mMnbd1SrVC
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+/0mVAxpT6SrEvUbJ18z7kna24SgMPr3OnPMxPGfvNLJY/Xv/A17YfoqjmByCvsKE
+JCDjopXtmbcrZyoEZbEht9mko4ifBBgBAgAJBQJRjAleAhsMAAoJEH+d+mh/7lda
+z2UEAKgs0crDpbvHs+z7ogQ+Enm4EalpcWtUxdbo83y5rj4r0TmdlysOWkLLcYBk
+o6Ae7WnOPbNIboeF/FyvgbSQX1POCUvCXNrGrZX8KMmd+Sx+rA2XJCPkUv98Hus6
+THx7N776fcYHGumbqUMYrxrcZSbNveE6SaK8fphRam1dewM0
+=a5gs
+-----END PGP PRIVATE KEY BLOCK-----
+"""
diff --git a/src/leap/bitmask/mail/testing/__init__.py~ b/src/leap/bitmask/mail/testing/__init__.py~
new file mode 100644
index 0000000..ffaadd8
--- /dev/null
+++ b/src/leap/bitmask/mail/testing/__init__.py~
@@ -0,0 +1,358 @@
+# -*- coding: utf-8 -*-
+# __init__.py
+# Copyright (C) 2013 LEAP
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+"""
+Base classes and keys for leap.mail tests.
+"""
+import os
+import distutils.spawn
+from mock import Mock
+from twisted.internet.defer import gatherResults, succeed
+from twisted.trial import unittest
+from twisted.web.client import Response
+from twisted.internet import defer
+from twisted.python import log
+
+
+from leap.soledad.client import Soledad
+from leap.keymanager import KeyManager
+
+
+from leap.common.testing.basetest import BaseLeapTest
+
+ADDRESS = 'leap@leap.se'
+ADDRESS_2 = 'anotheruser@leap.se'
+
+class defaultMockSharedDB(object):
+    get_doc = Mock(return_value=None)
+    put_doc = Mock(side_effect=None)
+    open = Mock(return_value=None)
+    close = Mock(return_value=None)
+    syncable = True
+
+    def __call__(self):
+        return self
+
+
+class KeyManagerWithSoledadTestCase(unittest.TestCase, BaseLeapTest):
+
+    def setUp(self):
+        self.gpg_binary_path = self._find_gpg()
+
+        self._soledad = Soledad(
+            u"leap@leap.se",
+            u"123456",
+            secrets_path=self.tempdir + "/secret.gpg",
+            local_db_path=self.tempdir + "/soledad.u1db",
+            server_url='',
+            cert_file=None,
+            auth_token=None,
+            shared_db=defaultMockSharedDB(),
+            syncable=False)
+
+        self.km = self._key_manager()
+
+        class Response(object):
+            code = 200
+            phrase = ''
+            def deliverBody(self, x):
+                return 
+
+        # XXX why the fuck is this needed? ------------------------
+        self.km._async_client_pinned.request = Mock(
+            return_value=defer.succeed(Response()))
+        #self.km._async_client.request = Mock(return_value='')
+        #self.km._async_client_pinned.request = Mock(
+            #return_value='')
+        # -------------------------------------------------------
+
+        d1 = self.km.put_raw_key(PRIVATE_KEY, ADDRESS)
+        d2 = self.km.put_raw_key(PRIVATE_KEY_2, ADDRESS_2)
+        return gatherResults([d1, d2])
+
+    def tearDown(self):
+        km = self._key_manager()
+        # wait for the indexes to be ready for the tear down
+        d = km._openpgp.deferred_init
+        d.addCallback(lambda _: self.delete_all_keys(km))
+        d.addCallback(lambda _: self._soledad.close())
+        return d
+
+    def delete_all_keys(self, km):
+        def delete_keys(keys):
+            deferreds = []
+            for key in keys:
+                d = km._openpgp.delete_key(key)
+                deferreds.append(d)
+            return gatherResults(deferreds)
+
+        def check_deleted(_, private):
+            d = km.get_all_keys(private=private)
+            d.addCallback(lambda keys: self.assertEqual(keys, []))
+            return d
+
+        deferreds = []
+        for private in [True, False]:
+            d = km.get_all_keys(private=private)
+            d.addCallback(delete_keys)
+            d.addCallback(check_deleted, private)
+            deferreds.append(d)
+        return gatherResults(deferreds)
+
+    def _key_manager(self, user=ADDRESS, url='', token=None,
+                     ca_cert_path=None):
+        return KeyManager(user, url, self._soledad, token=token,
+                          gpgbinary=self.gpg_binary_path,
+                          ca_cert_path=ca_cert_path)
+
+    def _find_gpg(self):
+        gpg_path = distutils.spawn.find_executable('gpg')
+        if gpg_path is not None:
+            return os.path.realpath(gpg_path)
+        else:
+            return "/usr/bin/gpg"
+
+    def get_public_binary_key(self):
+        with open(PATH + '/fixtures/public_key.bin', 'r') as binary_public_key:
+            return binary_public_key.read()
+
+    def get_private_binary_key(self):
+        with open(
+                PATH + '/fixtures/private_key.bin', 'r') as binary_private_key:
+            return binary_private_key.read()
+
+
+# key 24D18DDF: public key "Leap Test Key <leap@leap.se>"
+KEY_FINGERPRINT = "E36E738D69173C13D709E44F2F455E2824D18DDF"
+PUBLIC_KEY = """
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+Version: GnuPG v1.4.10 (GNU/Linux)
+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+=MuOY
+-----END PGP PUBLIC KEY BLOCK-----
+"""
+PRIVATE_KEY = """
+-----BEGIN PGP PRIVATE KEY BLOCK-----
+Version: GnuPG v1.4.10 (GNU/Linux)
+
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+=JTFu
+-----END PGP PRIVATE KEY BLOCK-----
+"""
+
+# key 7FEE575A: public key "anotheruser <anotheruser@leap.se>"
+PUBLIC_KEY_2 = """
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+Version: GnuPG v1.4.10 (GNU/Linux)
+
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+=Thdu
+-----END PGP PUBLIC KEY BLOCK-----
+"""
+
+PRIVATE_KEY_2 = """
+-----BEGIN PGP PRIVATE KEY BLOCK-----
+Version: GnuPG v1.4.10 (GNU/Linux)
+
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+/0mVAxpT6SrEvUbJ18z7kna24SgMPr3OnPMxPGfvNLJY/Xv/A17YfoqjmByCvsKE
+JCDjopXtmbcrZyoEZbEht9mko4ifBBgBAgAJBQJRjAleAhsMAAoJEH+d+mh/7lda
+z2UEAKgs0crDpbvHs+z7ogQ+Enm4EalpcWtUxdbo83y5rj4r0TmdlysOWkLLcYBk
+o6Ae7WnOPbNIboeF/FyvgbSQX1POCUvCXNrGrZX8KMmd+Sx+rA2XJCPkUv98Hus6
+THx7N776fcYHGumbqUMYrxrcZSbNveE6SaK8fphRam1dewM0
+=a5gs
+-----END PGP PRIVATE KEY BLOCK-----
+"""
diff --git a/src/leap/bitmask/mail/testing/common.py b/src/leap/bitmask/mail/testing/common.py
new file mode 100644
index 0000000..1bf1de2
--- /dev/null
+++ b/src/leap/bitmask/mail/testing/common.py
@@ -0,0 +1,109 @@
+# -*- coding: utf-8 -*-
+# common.py
+# Copyright (C) 2014 LEAP
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+"""
+Common utilities for testing Soledad.
+"""
+import os
+import tempfile
+
+from twisted.internet import defer
+from twisted.trial import unittest
+
+from leap.common.testing.basetest import BaseLeapTest
+from leap.soledad.client import Soledad
+
+# TODO move to common module, or Soledad itself
+# XXX remove duplication
+
+TEST_USER = "testuser@leap.se"
+TEST_PASSWD = "1234"
+
+
+def _initialize_soledad(email, gnupg_home, tempdir):
+    """
+    Initializes soledad by hand
+
+    :param email: ID for the user
+    :param gnupg_home: path to home used by gnupg
+    :param tempdir: path to temporal dir
+    :rtype: Soledad instance
+    """
+
+    uuid = "foobar-uuid"
+    passphrase = u"verysecretpassphrase"
+    secret_path = os.path.join(tempdir, "secret.gpg")
+    local_db_path = os.path.join(tempdir, "soledad.u1db")
+    server_url = "https://provider"
+    cert_file = ""
+
+    soledad = Soledad(
+        uuid,
+        passphrase,
+        secret_path,
+        local_db_path,
+        server_url,
+        cert_file,
+        syncable=False)
+
+    return soledad
+
+
+class SoledadTestMixin(unittest.TestCase, BaseLeapTest):
+    """
+    It is **VERY** important that this base is added *AFTER* unittest.TestCase
+    """
+
+    def setUp(self):
+        self.results = []
+        self.setUpEnv()
+
+        # pytest handles correctly the setupEnv for the class,
+        # but trial ignores it.
+        if not getattr(self, 'tempdir', None):
+            self.tempdir = tempfile.gettempdir()
+
+        # Soledad: config info
+        self.gnupg_home = "%s/gnupg" % self.tempdir
+        self.email = 'leap@leap.se'
+
+        # initialize soledad by hand so we can control keys
+        self._soledad = _initialize_soledad(
+            self.email,
+            self.gnupg_home,
+            self.tempdir)
+
+        return defer.succeed(True)
+
+    def tearDown(self):
+        """
+        tearDown method called after each test.
+        """
+        self.results = []
+        try:
+            self._soledad.close()
+        except Exception:
+            print "ERROR WHILE CLOSING SOLEDAD"
+            # logging.exception(exc)
+        self.tearDownEnv()
+
+    @classmethod
+    def setUpClass(self):
+        pass
+
+    @classmethod
+    def tearDownClass(self):
+        pass
diff --git a/src/leap/bitmask/mail/testing/imap.py b/src/leap/bitmask/mail/testing/imap.py
new file mode 100644
index 0000000..72acbf2
--- /dev/null
+++ b/src/leap/bitmask/mail/testing/imap.py
@@ -0,0 +1,186 @@
+# -*- coding: utf-8 -*-
+# utils.py
+# Copyright (C) 2014, 2015 LEAP
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+"""
+Common utilities for testing Soledad IMAP Server.
+"""
+from email import parser
+
+from mock import Mock
+from twisted.cred.checkers import ICredentialsChecker
+from twisted.cred.credentials import IUsernamePassword
+from twisted.cred.error import UnauthorizedLogin
+from twisted.cred.portal import Portal, IRealm
+from twisted.mail import imap4
+from twisted.internet import defer
+from twisted.protocols import loopback
+from twisted.python import log
+from zope.interface import implementer
+
+from leap.mail.adaptors import soledad as soledad_adaptor
+from leap.mail.imap.account import IMAPAccount
+from leap.mail.imap.server import LEAPIMAPServer
+from leap.mail.testing.common import SoledadTestMixin
+
+TEST_USER = "testuser@leap.se"
+TEST_PASSWD = "1234"
+
+
+#
+# Simple IMAP4 Client for testing
+#
+
+class SimpleClient(imap4.IMAP4Client):
+    """
+    A Simple IMAP4 Client to test our
+    Soledad-LEAPServer
+    """
+
+    def __init__(self, deferred, contextFactory=None):
+        imap4.IMAP4Client.__init__(self, contextFactory)
+        self.deferred = deferred
+        self.events = []
+
+    def serverGreeting(self, caps):
+        self.deferred.callback(None)
+
+    def modeChanged(self, writeable):
+        self.events.append(['modeChanged', writeable])
+        self.transport.loseConnection()
+
+    def flagsChanged(self, newFlags):
+        self.events.append(['flagsChanged', newFlags])
+        self.transport.loseConnection()
+
+    def newMessages(self, exists, recent):
+        self.events.append(['newMessages', exists, recent])
+        self.transport.loseConnection()
+
+#
+# Dummy credentials for tests
+#
+
+
+@implementer(IRealm)
+class TestRealm(object):
+
+    def __init__(self, account):
+        self._account = account
+
+    def requestAvatar(self, avatarId, mind, *interfaces):
+        avatar = self._account
+        return (imap4.IAccount, avatar,
+                getattr(avatar, 'logout', lambda: None))
+
+
+@implementer(ICredentialsChecker)
+class TestCredentialsChecker(object):
+
+    credentialInterfaces = (IUsernamePassword,)
+
+    userid = TEST_USER
+    password = TEST_PASSWD
+
+    def requestAvatarId(self, credentials):
+        username, password = credentials.username, credentials.password
+        d = self.checkTestCredentials(username, password)
+        d.addErrback(lambda f: defer.fail(UnauthorizedLogin()))
+        return d
+
+    def checkTestCredentials(self, username, password):
+        if username == self.userid and password == self.password:
+            return defer.succeed(username)
+        else:
+            return defer.fail(Exception("Wrong credentials"))
+
+
+class TestSoledadIMAPServer(LEAPIMAPServer):
+
+    def __init__(self, account, *args, **kw):
+
+        LEAPIMAPServer.__init__(self, *args, **kw)
+
+        realm = TestRealm(account)
+        portal = Portal(realm)
+        checker = TestCredentialsChecker()
+        self.checker = checker
+        self.portal = portal
+        portal.registerChecker(checker)
+
+
+class IMAP4HelperMixin(SoledadTestMixin):
+    """
+    MixIn containing several utilities to be shared across
+    different TestCases
+    """
+    serverCTX = None
+    clientCTX = None
+
+    def setUp(self):
+
+        soledad_adaptor.cleanup_deferred_locks()
+
+        USERID = TEST_USER
+
+        def setup_server(account):
+            self.server = TestSoledadIMAPServer(
+                account=account,
+                contextFactory=self.serverCTX)
+            self.server.theAccount = account
+
+            d_server_ready = defer.Deferred()
+            self.client = SimpleClient(
+                d_server_ready, contextFactory=self.clientCTX)
+            self.connected = d_server_ready
+
+        def setup_account(_):
+            self.parser = parser.Parser()
+
+            # XXX this should be fixed in soledad.
+            # Soledad sync makes trial block forever. The sync it's mocked to
+            # fix this problem. _mock_soledad_get_from_index can be used from
+            # the tests to provide documents.
+            # TODO see here, possibly related?
+            # -- http://www.pythoneye.com/83_20424875/
+            self._soledad.sync = Mock()
+
+            d = defer.Deferred()
+            self.acc = IMAPAccount(self._soledad, USERID, d=d)
+            return d
+
+        d = super(IMAP4HelperMixin, self).setUp()
+        d.addCallback(setup_account)
+        d.addCallback(setup_server)
+        return d
+
+    def tearDown(self):
+        SoledadTestMixin.tearDown(self)
+        del self._soledad
+        del self.client
+        del self.server
+        del self.connected
+
+    def _cbStopClient(self, ignore):
+        self.client.transport.loseConnection()
+
+    def _ebGeneral(self, failure):
+        self.client.transport.loseConnection()
+        self.server.transport.loseConnection()
+        if hasattr(self, 'function'):
+            log.err(failure, "Problem with %r" % (self.function,))
+
+    def loopback(self):
+        return loopback.loopbackAsync(self.server, self.client)
diff --git a/src/leap/bitmask/mail/testing/smtp.py b/src/leap/bitmask/mail/testing/smtp.py
new file mode 100644
index 0000000..d8690f1
--- /dev/null
+++ b/src/leap/bitmask/mail/testing/smtp.py
@@ -0,0 +1,51 @@
+from twisted.mail import smtp
+
+from leap.mail.smtp.gateway import SMTPFactory, LOCAL_FQDN
+from leap.mail.smtp.gateway import SMTPDelivery
+from leap.mail.outgoing.service import outgoingFactory
+
+TEST_USER = u'anotheruser@leap.se'
+
+
+class UnauthenticatedSMTPServer(smtp.SMTP):
+
+    encrypted_only = False
+
+    def __init__(self, soledads, keyms, opts, encrypted_only=False):
+        smtp.SMTP.__init__(self)
+
+        userid = TEST_USER
+        keym = keyms[userid]
+
+        class Opts:
+            cert = '/tmp/cert'
+            key = '/tmp/cert'
+            hostname = 'remote'
+            port = 666
+
+        outgoing = outgoingFactory(
+            userid, keym, Opts, check_cert=False)
+        avatar = SMTPDelivery(userid, keym, encrypted_only, outgoing)
+        self.delivery = avatar
+
+    def validateFrom(self, helo, origin):
+        return origin
+
+
+class UnauthenticatedSMTPFactory(SMTPFactory):
+    """
+    A Factory that produces a SMTP server that does not authenticate user.
+    Only for tests!
+    """
+    protocol = UnauthenticatedSMTPServer
+    domain = LOCAL_FQDN
+    encrypted_only = False
+
+
+def getSMTPFactory(soledad_s, keymanager_s, sendmail_opts,
+                   encrypted_only=False):
+    factory = UnauthenticatedSMTPFactory
+    factory.encrypted_only = encrypted_only
+    proto = factory(
+        soledad_s, keymanager_s, sendmail_opts).buildProtocol(('127.0.0.1', 0))
+    return proto
diff --git a/src/leap/bitmask/mail/tests/rfc822.bounce.message b/src/leap/bitmask/mail/tests/rfc822.bounce.message
new file mode 100644
index 0000000..7a51ac0
--- /dev/null
+++ b/src/leap/bitmask/mail/tests/rfc822.bounce.message
@@ -0,0 +1,152 @@
+Return-Path: <>
+X-Original-To: yoyo@dev.pixelated-project.org
+Delivered-To: a6973ec1af0a6d1e2a1e4db4ff85f6c2@deliver.local
+Received: by dev1.dev.pixelated-project.org (Postfix)
+    id 92CEA83164; Thu, 16 Jun 2016 14:53:34 +0200 (CEST)
+Date: Thu, 16 Jun 2016 14:53:34 +0200 (CEST)
+From: MAILER-DAEMON@dev1.dev.pixelated-project.org (Mail Delivery System)
+Subject: Undelivered Mail Returned to Sender
+To: yoyo@dev.pixelated-project.org
+Auto-Submitted: auto-replied
+MIME-Version: 1.0
+Content-Type: multipart/report; report-type=delivery-status;
+    boundary="8F60183010.1466081614/dev1.dev.pixelated-project.org"
+Message-Id: <20160616125334.92CEA83164@dev1.dev.pixelated-project.org>
+
+This is a MIME-encapsulated message.
+
+--8F60183010.1466081614/dev1.dev.pixelated-project.org
+Content-Description: Notification
+Content-Type: text/plain; charset=us-ascii
+
+This is the mail system at host dev1.dev.pixelated-project.org.
+
+I'm sorry to have to inform you that your message could not
+be delivered to one or more recipients. It's attached below.
+
+For further assistance, please send mail to postmaster.
+
+If you do so, please include this problem report. You can
+delete your own text from the attached returned message.
+
+                   The mail system
+
+<nobody@leap.se>: host caribou.leap.se[176.53.69.122] said: 550 5.1.1
+    <nobody@leap.se>: Recipient address rejected: User unknown in virtual alias
+    table (in reply to RCPT TO command)
+
+--8F60183010.1466081614/dev1.dev.pixelated-project.org
+Content-Description: Delivery report
+Content-Type: message/delivery-status
+
+Reporting-MTA: dns; dev1.dev.pixelated-project.org
+X-Postfix-Queue-ID: 8F60183010
+X-Postfix-Sender: rfc822; yoyo@dev.pixelated-project.org
+Arrival-Date: Thu, 16 Jun 2016 14:53:33 +0200 (CEST)
+
+Final-Recipient: rfc822; nobody@leap.se
+Original-Recipient: rfc822;nobody@leap.se
+Action: failed
+Status: 5.1.1
+Remote-MTA: dns; caribou.leap.se
+Diagnostic-Code: smtp; 550 5.1.1 <nobody@leap.se>: Recipient address rejected:
+    User unknown in virtual alias table
+
+--8F60183010.1466081614/dev1.dev.pixelated-project.org
+Content-Description: Undelivered Message
+Content-Type: message/rfc822
+
+Return-Path: <yoyo@dev.pixelated-project.org>
+Received: from leap.mail-0.4.0rc1+111.g736ea86 (localhost [127.0.0.1])
+    (using TLSv1 with cipher ECDHE-RSA-AES128-SHA (128/128 bits))
+    (Client CN "yoyo@dev.pixelated-project.org", Issuer "Pixelated Project Root CA (client certificates only!)" (verified OK))
+    by dev1.dev.pixelated-project.org (Postfix) with ESMTPS id 8F60183010
+    for <nobody@leap.se>; Thu, 16 Jun 2016 14:53:33 +0200 (CEST)
+MIME-Version: 1.0
+Content-Type: multipart/signed; protocol="application/pgp-signature";
+ micalg="pgp-sha512"; boundary="===============7598747164910592838=="
+To: nobody@leap.se
+Subject: vrgg
+From: yoyo@dev.pixelated-project.org
+Date: Thu, 16 Jun 2016 13:53:32 -0000
+Message-Id: <20160616125332.16961.677041909.5@dev1.dev.pixelated-project.org>
+OpenPGP: id=CB546109E857BC34DFF2BCB3288870B39C400C24;
+ url="https://dev.pixelated-project.org/key/yoyo"; preference="signencrypt"
+
+--===============7598747164910592838==
+Content-Type: multipart/mixed; boundary="===============3737055506052708210=="
+MIME-Version: 1.0
+To: nobody@leap.se
+Subject: vrgg
+From: yoyo@dev.pixelated-project.org
+Date: Thu, 16 Jun 2016 13:53:32 -0000
+
+--===============3737055506052708210==
+Content-Type: text/plain; charset="utf-8"
+MIME-Version: 1.0
+Content-Transfer-Encoding: base64
+
+
+--===============3737055506052708210==
+Content-Type: application/pgp-keys
+MIME-Version: 1.0
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+
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+MIME-Version: 1.0
+Content-Description: OpenPGP Digital Signature
+
+-----BEGIN PGP SIGNATURE-----
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diff --git a/src/leap/bitmask/mail/tests/rfc822.message b/src/leap/bitmask/mail/tests/rfc822.message
new file mode 100644
index 0000000..ee97ab9
--- /dev/null
+++ b/src/leap/bitmask/mail/tests/rfc822.message
@@ -0,0 +1,86 @@
+Return-Path: <twisted-commits-admin@twistedmatrix.com>
+Delivered-To: exarkun@meson.dyndns.org
+Received: from localhost [127.0.0.1]
+	by localhost with POP3 (fetchmail-6.2.1)
+	for exarkun@localhost (single-drop); Thu, 20 Mar 2003 14:50:20 -0500 (EST)
+Received: from pyramid.twistedmatrix.com (adsl-64-123-27-105.dsl.austtx.swbell.net [64.123.27.105])
+	by intarweb.us (Postfix) with ESMTP id 4A4A513EA4
+	for <exarkun@meson.dyndns.org>; Thu, 20 Mar 2003 14:49:27 -0500 (EST)
+Received: from localhost ([127.0.0.1] helo=pyramid.twistedmatrix.com)
+	by pyramid.twistedmatrix.com with esmtp (Exim 3.35 #1 (Debian))
+	id 18w648-0007Vl-00; Thu, 20 Mar 2003 13:51:04 -0600
+Received: from acapnotic by pyramid.twistedmatrix.com with local (Exim 3.35 #1 (Debian))
+	id 18w63j-0007VK-00
+	for <twisted-commits@twistedmatrix.com>; Thu, 20 Mar 2003 13:50:39 -0600
+To: twisted-commits@twistedmatrix.com
+From: etrepum CVS <etrepum@twistedmatrix.com>
+Reply-To: twisted-python@twistedmatrix.com
+X-Mailer: CVSToys
+Message-Id: <E18w63j-0007VK-00@pyramid.twistedmatrix.com>
+Subject: [Twisted-commits] rebuild now works on python versions from 2.2.0 and up.
+Sender: twisted-commits-admin@twistedmatrix.com
+Errors-To: twisted-commits-admin@twistedmatrix.com
+X-BeenThere: twisted-commits@twistedmatrix.com
+X-Mailman-Version: 2.0.11
+Precedence: bulk
+List-Help: <mailto:twisted-commits-request@twistedmatrix.com?subject=help>
+List-Post: <mailto:twisted-commits@twistedmatrix.com>
+List-Subscribe: <http://twistedmatrix.com/cgi-bin/mailman/listinfo/twisted-commits>,
+	<mailto:twisted-commits-request@twistedmatrix.com?subject=subscribe>
+List-Id: <twisted-commits.twistedmatrix.com>
+List-Unsubscribe: <http://twistedmatrix.com/cgi-bin/mailman/listinfo/twisted-commits>,
+	<mailto:twisted-commits-request@twistedmatrix.com?subject=unsubscribe>
+List-Archive: <http://twistedmatrix.com/pipermail/twisted-commits/>
+Date: Thu, 20 Mar 2003 13:50:39 -0600
+
+Modified files:
+Twisted/twisted/python/rebuild.py 1.19 1.20
+
+Log message:
+rebuild now works on python versions from 2.2.0 and up.
+
+
+ViewCVS links:
+http://twistedmatrix.com/users/jh.twistd/viewcvs/cgi/viewcvs.cgi/twisted/python/rebuild.py.diff?r1=text&tr1=1.19&r2=text&tr2=1.20&cvsroot=Twisted
+
+Index: Twisted/twisted/python/rebuild.py
+diff -u Twisted/twisted/python/rebuild.py:1.19 Twisted/twisted/python/rebuild.py:1.20
+--- Twisted/twisted/python/rebuild.py:1.19	Fri Jan 17 13:50:49 2003
++++ Twisted/twisted/python/rebuild.py	Thu Mar 20 11:50:08 2003
+@@ -206,15 +206,27 @@
+             clazz.__dict__.clear()
+             clazz.__getattr__ = __getattr__
+             clazz.__module__ = module.__name__
++    if newclasses:
++        import gc
++        if (2, 2, 0) <= sys.version_info[:3] < (2, 2, 2):
++            hasBrokenRebuild = 1
++            gc_objects = gc.get_objects()
++        else:
++            hasBrokenRebuild = 0
+     for nclass in newclasses:
+         ga = getattr(module, nclass.__name__)
+         if ga is nclass:
+             log.msg("WARNING: new-class %s not replaced by reload!" % reflect.qual(nclass))
+         else:
+-            import gc
+-            for r in gc.get_referrers(nclass):
+-                if isinstance(r, nclass):
++            if hasBrokenRebuild:
++                for r in gc_objects:
++                    if not getattr(r, '__class__', None) is nclass:
++                        continue
+                     r.__class__ = ga
++            else:
++                for r in gc.get_referrers(nclass):
++                    if getattr(r, '__class__', None) is nclass:
++                        r.__class__ = ga
+     if doLog:
+         log.msg('')
+         log.msg('  (fixing   %s): ' % str(module.__name__))
+
+
+_______________________________________________
+Twisted-commits mailing list
+Twisted-commits@twistedmatrix.com
+http://twistedmatrix.com/cgi-bin/mailman/listinfo/twisted-commits
diff --git a/src/leap/bitmask/mail/tests/rfc822.multi-minimal.message b/src/leap/bitmask/mail/tests/rfc822.multi-minimal.message
new file mode 100644
index 0000000..582297c
--- /dev/null
+++ b/src/leap/bitmask/mail/tests/rfc822.multi-minimal.message
@@ -0,0 +1,16 @@
+Content-Type: multipart/mixed; boundary="===============6203542367371144092=="
+MIME-Version: 1.0
+Subject: [TEST] 010 - Inceptos cum lorem risus congue
+From: testmailbitmaskspam@gmail.com
+To: test_c5@dev.bitmask.net
+
+--===============6203542367371144092==
+Content-Type: text/plain; charset="us-ascii"
+MIME-Version: 1.0
+Content-Transfer-Encoding: 7bit
+
+Howdy from python!
+The subject: [TEST] 010 - Inceptos cum lorem risus congue
+Current date & time: Wed Jan  8 16:36:21 2014
+Trying to attach: []
+--===============6203542367371144092==--
diff --git a/src/leap/bitmask/mail/tests/rfc822.multi-nested.message b/src/leap/bitmask/mail/tests/rfc822.multi-nested.message
new file mode 100644
index 0000000..694bef5
--- /dev/null
+++ b/src/leap/bitmask/mail/tests/rfc822.multi-nested.message
@@ -0,0 +1,619 @@
+From: TEST <test.bitmask@example.com>
+Content-Type: multipart/alternative;
+	boundary="Apple-Mail=_F4EF9C8E-2E66-4FC6-8840-F435ADBED5C8"
+X-Smtp-Server: smtp.example.com:test.bitmask
+Subject: test simple attachment
+X-Universally-Unique-Identifier: 0ea1b4b2-cdb8-43c3-b54c-dc88a19c6e0a
+Date: Wed, 8 Jul 2015 04:25:56 +0900
+Message-Id: <47278179-628A-43F5-95C9-BC7E1753C521@example.com>
+To: test_alpha14_001@dev.bitmask.net
+Mime-Version: 1.0 (Apple Message framework v1251.1)
+
+
+--Apple-Mail=_F4EF9C8E-2E66-4FC6-8840-F435ADBED5C8
+Content-Transfer-Encoding: 7bit
+Content-Type: text/plain;
+	charset=us-ascii
+
+this is a simple attachment
+--Apple-Mail=_F4EF9C8E-2E66-4FC6-8840-F435ADBED5C8
+Content-Type: multipart/related;
+	type="text/html";
+	boundary="Apple-Mail=_C7D5288F-B043-4A7F-AF3F-1EDF1A78438B"
+
+
+--Apple-Mail=_C7D5288F-B043-4A7F-AF3F-1EDF1A78438B
+Content-Transfer-Encoding: 7bit
+Content-Type: text/html;
+	charset=us-ascii
+
+<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">this is a simple attachment<img height="286" width="300" apple-width="yes" apple-height="yes" id="fd3d0c89-709d-419f-b293-a6827f75c8d4" src="cid:163B7957-4342-485F-8FD6-D46A4A53A2C1"></body></html>
+--Apple-Mail=_C7D5288F-B043-4A7F-AF3F-1EDF1A78438B
+Content-Transfer-Encoding: base64
+Content-Disposition: inline;
+	filename="saing_ergol.jpg"
+Content-Type: image/jpg;
+	x-mac-hide-extension=yes;
+	x-unix-mode=0600;
+	name="saint_ergol.jpg"
+Content-Id: <163B7957-4342-485F-8FD6-D46A4A53A2C1>
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+
+--Apple-Mail=_C7D5288F-B043-4A7F-AF3F-1EDF1A78438B--
+
+--Apple-Mail=_F4EF9C8E-2E66-4FC6-8840-F435ADBED5C8--
diff --git a/src/leap/bitmask/mail/tests/rfc822.multi-signed.message b/src/leap/bitmask/mail/tests/rfc822.multi-signed.message
new file mode 100644
index 0000000..9907c2d
--- /dev/null
+++ b/src/leap/bitmask/mail/tests/rfc822.multi-signed.message
@@ -0,0 +1,238 @@
+Date: Mon, 6 Jan 2014 04:40:47 -0400
+From: Kali Kaneko <kali@leap.se>
+To: penguin@example.com
+Subject: signed message
+Message-ID: <20140106084047.GA21317@samsara.lan>
+MIME-Version: 1.0
+Content-Type: multipart/signed; micalg=pgp-sha1;
+	protocol="application/pgp-signature"; boundary="z9ECzHErBrwFF8sy"
+Content-Disposition: inline
+User-Agent: Mutt/1.5.21 (2012-12-30)
+
+
+--z9ECzHErBrwFF8sy
+Content-Type: multipart/mixed; boundary="z0eOaCaDLjvTGF2l"
+Content-Disposition: inline
+
+
+--z0eOaCaDLjvTGF2l
+Content-Type: text/plain; charset=utf-8
+Content-Disposition: inline
+Content-Transfer-Encoding: quoted-printable
+
+This is an example of a signed message,
+with attachments.
+
+
+--=20
+Nihil sine chao! =E2=88=B4
+
+--z0eOaCaDLjvTGF2l
+Content-Type: text/plain; charset=us-ascii
+Content-Disposition: attachment; filename="attach.txt"
+
+this is attachment in plain text.
+
+--z0eOaCaDLjvTGF2l
+Content-Type: application/octet-stream
+Content-Disposition: attachment; filename="hack.ico"
+Content-Transfer-Encoding: base64
+
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+AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABKRC5ESDRELi4uNEUhIhcK
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+AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACgAAAAgAAAAQAAAAAEACAAAAAAA
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+AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
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diff --git a/src/leap/bitmask/mail/tests/rfc822.multi.message b/src/leap/bitmask/mail/tests/rfc822.multi.message
new file mode 100644
index 0000000..30f74e5
--- /dev/null
+++ b/src/leap/bitmask/mail/tests/rfc822.multi.message
@@ -0,0 +1,96 @@
+Date: Fri, 19 May 2000 09:55:48 -0400 (EDT)

+From: Doug Sauder <doug@penguin.example.com>

+To: Joe Blow <blow@example.com>

+Subject: Test message from PINE

+Message-ID: <Pine.LNX.4.21.0005190951410.8452-102000@penguin.example.com>

+MIME-Version: 1.0

+Content-Type: MULTIPART/MIXED; BOUNDARY="-1463757054-952513540-958744548=:8452"

+

+  This message is in MIME format.  The first part should be readable text,

+  while the remaining parts are likely unreadable without MIME-aware tools.

+  Send mail to mime@docserver.cac.washington.edu for more info.

+

+---1463757054-952513540-958744548=:8452

+Content-Type: TEXT/PLAIN; charset=US-ASCII

+

+This is a test message from PINE MUA.

+

+

+---1463757054-952513540-958744548=:8452

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+Content-Transfer-Encoding: BASE64

+Content-ID: <Pine.LNX.4.21.0005190955480.8452@penguin.example.com>

+Content-Description: A PNG graphic file

+Content-Disposition: attachment; filename="redball.png"

+

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+Z3VldDZzO7wAAAAASUVORK5CYII=

+---1463757054-952513540-958744548=:8452--

diff --git a/src/leap/bitmask/mail/tests/rfc822.plain.message b/src/leap/bitmask/mail/tests/rfc822.plain.message
new file mode 100644
index 0000000..fc627c3
--- /dev/null
+++ b/src/leap/bitmask/mail/tests/rfc822.plain.message
@@ -0,0 +1,66 @@
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diff --git a/src/leap/bitmask/mail/tests/test_mail.py b/src/leap/bitmask/mail/tests/test_mail.py
new file mode 100644
index 0000000..f9cded2
--- /dev/null
+++ b/src/leap/bitmask/mail/tests/test_mail.py
@@ -0,0 +1,399 @@
+# -*- coding: utf-8 -*-
+# test_mail.py
+# Copyright (C) 2014 LEAP
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+"""
+Tests for the mail module.
+"""
+import os
+import time
+import uuid
+
+from functools import partial
+from email.parser import Parser
+from email.Utils import formatdate
+
+from leap.mail.adaptors.soledad import SoledadMailAdaptor
+from leap.mail.mail import MessageCollection, Account, _unpack_headers
+from leap.mail.mailbox_indexer import MailboxIndexer
+from leap.mail.testing.common import SoledadTestMixin
+
+HERE = os.path.split(os.path.abspath(__file__))[0]
+
+
+def _get_raw_msg(multi=False):
+    if multi:
+        sample = "rfc822.multi.message"
+    else:
+        sample = "rfc822.message"
+    with open(os.path.join(HERE, sample)) as f:
+        raw = f.read()
+    return raw
+
+
+def _get_parsed_msg(multi=False):
+    mail_parser = Parser()
+    raw = _get_raw_msg(multi=multi)
+    return mail_parser.parsestr(raw)
+
+
+def _get_msg_time():
+    timestamp = time.mktime((2010, 12, 12, 1, 1, 1, 1, 1, 1))
+    return formatdate(timestamp)
+
+
+class CollectionMixin(object):
+
+    def get_collection(self, mbox_collection=True, mbox_name=None,
+                       mbox_uuid=None):
+        """
+        Get a collection for tests.
+        """
+        adaptor = SoledadMailAdaptor()
+        store = self._soledad
+        adaptor.store = store
+
+        if mbox_collection:
+            mbox_indexer = MailboxIndexer(store)
+            mbox_name = mbox_name or "TestMbox"
+            mbox_uuid = mbox_uuid or str(uuid.uuid4())
+        else:
+            mbox_indexer = mbox_name = None
+
+        def get_collection_from_mbox_wrapper(wrapper):
+            wrapper.uuid = mbox_uuid
+            return MessageCollection(
+                adaptor, store,
+                mbox_indexer=mbox_indexer, mbox_wrapper=wrapper)
+
+        d = adaptor.initialize_store(store)
+        if mbox_collection:
+            d.addCallback(lambda _: mbox_indexer.create_table(mbox_uuid))
+        d.addCallback(lambda _: adaptor.get_or_create_mbox(store, mbox_name))
+        d.addCallback(get_collection_from_mbox_wrapper)
+        return d
+
+
+# TODO profile add_msg. Why are these tests so SLOW??!
+class MessageTestCase(SoledadTestMixin, CollectionMixin):
+    """
+    Tests for the Message class.
+    """
+    msg_flags = ('\Recent', '\Unseen', '\TestFlag')
+    msg_tags = ('important', 'todo', 'wonderful')
+    internal_date = "19-Mar-2015 19:22:21 -0500"
+
+    maxDiff = None
+
+    def _do_insert_msg(self, multi=False):
+        """
+        Inserts and return a regular message, for tests.
+        """
+        def insert_message(collection):
+            self._mbox_uuid = collection.mbox_uuid
+            return collection.add_msg(
+                raw, flags=self.msg_flags, tags=self.msg_tags,
+                date=self.internal_date)
+
+        raw = _get_raw_msg(multi=multi)
+
+        d = self.get_collection()
+        d.addCallback(insert_message)
+        return d
+
+    def get_inserted_msg(self, multi=False):
+        d = self._do_insert_msg(multi=multi)
+        d.addCallback(lambda _: self.get_collection(mbox_uuid=self._mbox_uuid))
+        d.addCallback(lambda col: col.get_message_by_uid(1))
+        return d
+
+    def test_get_flags(self):
+        d = self.get_inserted_msg()
+        d.addCallback(self._test_get_flags_cb)
+        return d
+
+    def _test_get_flags_cb(self, msg):
+        self.assertTrue(msg is not None)
+        self.assertEquals(tuple(msg.get_flags()), self.msg_flags)
+
+    def test_get_internal_date(self):
+        d = self.get_inserted_msg()
+        d.addCallback(self._test_get_internal_date_cb)
+
+    def _test_get_internal_date_cb(self, msg):
+        self.assertTrue(msg is not None)
+        self.assertDictEqual(msg.get_internal_date(),
+                             self.internal_date)
+
+    def test_get_headers(self):
+        d = self.get_inserted_msg()
+        d.addCallback(self._test_get_headers_cb)
+        return d
+
+    def _test_get_headers_cb(self, msg):
+        self.assertTrue(msg is not None)
+        expected = [
+            (str(key.lower()), str(value))
+            for (key, value) in _get_parsed_msg().items()]
+        self.assertItemsEqual(_unpack_headers(msg.get_headers()), expected)
+
+    def test_get_body_file(self):
+        d = self.get_inserted_msg(multi=True)
+        d.addCallback(self._test_get_body_file_cb)
+        return d
+
+    def _test_get_body_file_cb(self, msg):
+        self.assertTrue(msg is not None)
+        orig = _get_parsed_msg(multi=True)
+        expected = orig.get_payload()[0].get_payload()
+        d = msg.get_body_file(self._soledad)
+
+        def assert_body(fd):
+            self.assertTrue(fd is not None)
+            self.assertEqual(fd.read(), expected)
+        d.addCallback(assert_body)
+        return d
+
+    def test_get_size(self):
+        d = self.get_inserted_msg()
+        d.addCallback(self._test_get_size_cb)
+        return d
+
+    def _test_get_size_cb(self, msg):
+        self.assertTrue(msg is not None)
+        expected = len(_get_parsed_msg().as_string())
+        self.assertEqual(msg.get_size(), expected)
+
+    def test_is_multipart_no(self):
+        d = self.get_inserted_msg()
+        d.addCallback(self._test_is_multipart_no_cb)
+        return d
+
+    def _test_is_multipart_no_cb(self, msg):
+        self.assertTrue(msg is not None)
+        expected = _get_parsed_msg().is_multipart()
+        self.assertEqual(msg.is_multipart(), expected)
+
+    def test_is_multipart_yes(self):
+        d = self.get_inserted_msg(multi=True)
+        d.addCallback(self._test_is_multipart_yes_cb)
+        return d
+
+    def _test_is_multipart_yes_cb(self, msg):
+        self.assertTrue(msg is not None)
+        expected = _get_parsed_msg(multi=True).is_multipart()
+        self.assertEqual(msg.is_multipart(), expected)
+
+    def test_get_subpart(self):
+        d = self.get_inserted_msg(multi=True)
+        d.addCallback(self._test_get_subpart_cb)
+        return d
+
+    def _test_get_subpart_cb(self, msg):
+        self.assertTrue(msg is not None)
+
+    def test_get_tags(self):
+        d = self.get_inserted_msg()
+        d.addCallback(self._test_get_tags_cb)
+        return d
+
+    def _test_get_tags_cb(self, msg):
+        self.assertTrue(msg is not None)
+        self.assertEquals(msg.get_tags(), self.msg_tags)
+
+
+class MessageCollectionTestCase(SoledadTestMixin, CollectionMixin):
+    """
+    Tests for the MessageCollection class.
+    """
+    _mbox_uuid = None
+
+    def assert_collection_count(self, _, expected):
+        def _assert_count(count):
+            self.assertEqual(count, expected)
+
+        d = self.get_collection()
+        d.addCallback(lambda col: col.count())
+        d.addCallback(_assert_count)
+        return d
+
+    def add_msg_to_collection(self):
+        raw = _get_raw_msg()
+
+        def add_msg_to_collection(collection):
+            # We keep the uuid in case we need to instantiate the same
+            # collection afterwards.
+            self._mbox_uuid = collection.mbox_uuid
+            d = collection.add_msg(raw, date=_get_msg_time())
+            return d
+
+        d = self.get_collection()
+        d.addCallback(add_msg_to_collection)
+        return d
+
+    def test_is_mailbox_collection(self):
+        d = self.get_collection()
+        d.addCallback(self._test_is_mailbox_collection_cb)
+        return d
+
+    def _test_is_mailbox_collection_cb(self, collection):
+        self.assertTrue(collection.is_mailbox_collection())
+
+    def test_get_uid_next(self):
+        d = self.add_msg_to_collection()
+        d.addCallback(lambda _: self.get_collection())
+        d.addCallback(lambda col: col.get_uid_next())
+        d.addCallback(self._test_get_uid_next_cb)
+
+    def _test_get_uid_next_cb(self, next_uid):
+        self.assertEqual(next_uid, 2)
+
+    def test_add_and_count_msg(self):
+        d = self.add_msg_to_collection()
+        d.addCallback(self._test_add_and_count_msg_cb)
+        return d
+
+    def _test_add_and_count_msg_cb(self, _):
+        return partial(self.assert_collection_count, expected=1)
+
+    def test_copy_msg(self):
+        # TODO ---- update when implementing messagecopier
+        # interface
+        pass
+    test_copy_msg.skip = "Not yet implemented"
+
+    def test_delete_msg(self):
+        d = self.add_msg_to_collection()
+
+        def del_msg(collection):
+            def _delete_it(msg):
+                self.assertTrue(msg is not None)
+                return collection.delete_msg(msg)
+
+            d = collection.get_message_by_uid(1)
+            d.addCallback(_delete_it)
+            return d
+
+        # We need to instantiate an mbox collection with the same uuid that
+        # the one in which we inserted the doc.
+        d.addCallback(lambda _: self.get_collection(mbox_uuid=self._mbox_uuid))
+        d.addCallback(del_msg)
+        d.addCallback(self._test_delete_msg_cb)
+        return d
+
+    def _test_delete_msg_cb(self, _):
+        return partial(self.assert_collection_count, expected=0)
+
+    def test_update_flags(self):
+        d = self.add_msg_to_collection()
+        d.addCallback(self._test_update_flags_cb)
+        return d
+
+    def _test_update_flags_cb(self, msg):
+        pass
+
+    def test_update_tags(self):
+        d = self.add_msg_to_collection()
+        d.addCallback(self._test_update_tags_cb)
+        return d
+
+    def _test_update_tags_cb(self, msg):
+        pass
+
+
+class AccountTestCase(SoledadTestMixin):
+    """
+    Tests for the Account class.
+    """
+    def get_account(self, user_id):
+        store = self._soledad
+        return Account(store, user_id)
+
+    def test_add_mailbox(self):
+        acc = self.get_account('some_user_id')
+        d = acc.callWhenReady(lambda _: acc.add_mailbox("TestMailbox"))
+        d.addCallback(lambda _: acc.list_all_mailbox_names())
+        d.addCallback(self._test_add_mailbox_cb)
+        return d
+
+    def _test_add_mailbox_cb(self, mboxes):
+        expected = ['INBOX', 'TestMailbox']
+        self.assertItemsEqual(mboxes, expected)
+
+    def test_delete_mailbox(self):
+        acc = self.get_account('some_user_id')
+        d = acc.callWhenReady(lambda _: acc.delete_mailbox("Inbox"))
+        d.addCallback(lambda _: acc.list_all_mailbox_names())
+        d.addCallback(self._test_delete_mailbox_cb)
+        return d
+
+    def _test_delete_mailbox_cb(self, mboxes):
+        expected = []
+        self.assertItemsEqual(mboxes, expected)
+
+    def test_rename_mailbox(self):
+        acc = self.get_account('some_user_id')
+        d = acc.callWhenReady(lambda _: acc.add_mailbox("OriginalMailbox"))
+        d.addCallback(lambda _: acc.rename_mailbox(
+            "OriginalMailbox", "RenamedMailbox"))
+        d.addCallback(lambda _: acc.list_all_mailbox_names())
+        d.addCallback(self._test_rename_mailbox_cb)
+        return d
+
+    def _test_rename_mailbox_cb(self, mboxes):
+        expected = ['INBOX', 'RenamedMailbox']
+        self.assertItemsEqual(mboxes, expected)
+
+    def test_get_all_mailboxes(self):
+        acc = self.get_account('some_user_id')
+        d = acc.callWhenReady(lambda _: acc.add_mailbox("OneMailbox"))
+        d.addCallback(lambda _: acc.add_mailbox("TwoMailbox"))
+        d.addCallback(lambda _: acc.add_mailbox("ThreeMailbox"))
+        d.addCallback(lambda _: acc.add_mailbox("anotherthing"))
+        d.addCallback(lambda _: acc.add_mailbox("anotherthing2"))
+        d.addCallback(lambda _: acc.get_all_mailboxes())
+        d.addCallback(self._test_get_all_mailboxes_cb)
+        return d
+
+    def _test_get_all_mailboxes_cb(self, mailboxes):
+        expected = ["INBOX", "OneMailbox", "TwoMailbox", "ThreeMailbox",
+                    "anotherthing", "anotherthing2"]
+        names = [m.mbox for m in mailboxes]
+        self.assertItemsEqual(names, expected)
+
+    def test_get_collection_by_mailbox(self):
+        acc = self.get_account('some_user_id')
+        d = acc.callWhenReady(lambda _: acc.get_collection_by_mailbox("INBOX"))
+        d.addCallback(self._test_get_collection_by_mailbox_cb)
+        return d
+
+    def _test_get_collection_by_mailbox_cb(self, collection):
+        self.assertTrue(collection.is_mailbox_collection())
+
+        def assert_uid_next_empty_collection(uid):
+            self.assertEqual(uid, 1)
+        d = collection.get_uid_next()
+        d.addCallback(assert_uid_next_empty_collection)
+        return d
+
+    def test_get_collection_by_docs(self):
+        pass
+
+    test_get_collection_by_docs.skip = "Not yet implemented"
+
+    def test_get_collection_by_tag(self):
+        pass
+
+    test_get_collection_by_tag.skip = "Not yet implemented"
diff --git a/src/leap/bitmask/mail/tests/test_mailbox_indexer.py b/src/leap/bitmask/mail/tests/test_mailbox_indexer.py
new file mode 100644
index 0000000..5c1891d
--- /dev/null
+++ b/src/leap/bitmask/mail/tests/test_mailbox_indexer.py
@@ -0,0 +1,250 @@
+# -*- coding: utf-8 -*-
+# test_mailbox_indexer.py
+# Copyright (C) 2014 LEAP
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+"""
+Tests for the mailbox_indexer module.
+"""
+import uuid
+from functools import partial
+
+from leap.mail import mailbox_indexer as mi
+from leap.mail.testing.common import SoledadTestMixin
+
+hash_test0 = '590c9f8430c7435807df8ba9a476e3f1295d46ef210f6efae2043a4c085a569e'
+hash_test1 = '1b4f0e9851971998e732078544c96b36c3d01cedf7caa332359d6f1d83567014'
+hash_test2 = '60303ae22b998861bce3b28f33eec1be758a213c86c93c076dbe9f558c11c752'
+hash_test3 = 'fd61a03af4f77d870fc21e05e7e80678095c92d808cfb3b5c279ee04c74aca13'
+hash_test4 = 'a4e624d686e03ed2767c0abd85c14426b0b1157d2ce81d27bb4fe4f6f01d688a'
+
+
+def fmt_hash(mailbox_uuid, hash):
+    return "M-" + mailbox_uuid.replace('-', '_') + "-" + hash
+
+mbox_id = str(uuid.uuid4())
+
+
+class MailboxIndexerTestCase(SoledadTestMixin):
+    """
+    Tests for the MailboxUID class.
+    """
+    def get_mbox_uid(self):
+        m_uid = mi.MailboxIndexer(self._soledad)
+        return m_uid
+
+    def list_mail_tables_cb(self, ignored):
+        def filter_mailuid_tables(tables):
+            filtered = [
+                table[0] for table in tables if
+                table[0].startswith(mi.MailboxIndexer.table_preffix)]
+            return filtered
+
+        sql = "SELECT name FROM sqlite_master WHERE type='table';"
+        d = self._soledad.raw_sqlcipher_query(sql)
+        d.addCallback(filter_mailuid_tables)
+        return d
+
+    def select_uid_rows(self, mailbox):
+        sql = "SELECT * FROM %s%s;" % (
+            mi.MailboxIndexer.table_preffix, mailbox.replace('-', '_'))
+        d = self._soledad.raw_sqlcipher_query(sql)
+        return d
+
+    def test_create_table(self):
+        def assert_table_created(tables):
+            self.assertEqual(
+                tables, ["leapmail_uid_" + mbox_id.replace('-', '_')])
+
+        m_uid = self.get_mbox_uid()
+        d = m_uid.create_table(mbox_id)
+        d.addCallback(self.list_mail_tables_cb)
+        d.addCallback(assert_table_created)
+        return d
+
+    def test_create_and_delete_table(self):
+        def assert_table_deleted(tables):
+            self.assertEqual(tables, [])
+
+        m_uid = self.get_mbox_uid()
+        d = m_uid.create_table(mbox_id)
+        d.addCallback(lambda _: m_uid.delete_table(mbox_id))
+        d.addCallback(self.list_mail_tables_cb)
+        d.addCallback(assert_table_deleted)
+        return d
+
+    def test_insert_doc(self):
+        m_uid = self.get_mbox_uid()
+
+        h1 = fmt_hash(mbox_id, hash_test0)
+        h2 = fmt_hash(mbox_id, hash_test1)
+        h3 = fmt_hash(mbox_id, hash_test2)
+        h4 = fmt_hash(mbox_id, hash_test3)
+        h5 = fmt_hash(mbox_id, hash_test4)
+
+        def assert_uid_rows(rows):
+            expected = [(1, h1), (2, h2), (3, h3), (4, h4), (5, h5)]
+            self.assertEquals(rows, expected)
+
+        d = m_uid.create_table(mbox_id)
+        d.addCallback(lambda _: m_uid.insert_doc(mbox_id, h1))
+        d.addCallback(lambda _: m_uid.insert_doc(mbox_id, h2))
+        d.addCallback(lambda _: m_uid.insert_doc(mbox_id, h3))
+        d.addCallback(lambda _: m_uid.insert_doc(mbox_id, h4))
+        d.addCallback(lambda _: m_uid.insert_doc(mbox_id, h5))
+        d.addCallback(lambda _: self.select_uid_rows(mbox_id))
+        d.addCallback(assert_uid_rows)
+        return d
+
+    def test_insert_doc_return(self):
+        m_uid = self.get_mbox_uid()
+
+        def assert_rowid(rowid, expected=None):
+            self.assertEqual(rowid, expected)
+
+        h1 = fmt_hash(mbox_id, hash_test0)
+        h2 = fmt_hash(mbox_id, hash_test1)
+        h3 = fmt_hash(mbox_id, hash_test2)
+
+        d = m_uid.create_table(mbox_id)
+        d.addCallback(lambda _: m_uid.insert_doc(mbox_id, h1))
+        d.addCallback(partial(assert_rowid, expected=1))
+        d.addCallback(lambda _: m_uid.insert_doc(mbox_id, h2))
+        d.addCallback(partial(assert_rowid, expected=2))
+        d.addCallback(lambda _: m_uid.insert_doc(mbox_id, h3))
+        d.addCallback(partial(assert_rowid, expected=3))
+        return d
+
+    def test_delete_doc(self):
+        m_uid = self.get_mbox_uid()
+
+        h1 = fmt_hash(mbox_id, hash_test0)
+        h2 = fmt_hash(mbox_id, hash_test1)
+        h3 = fmt_hash(mbox_id, hash_test2)
+        h4 = fmt_hash(mbox_id, hash_test3)
+        h5 = fmt_hash(mbox_id, hash_test4)
+
+        def assert_uid_rows(rows):
+            expected = [(4, h4), (5, h5)]
+            self.assertEquals(rows, expected)
+
+        d = m_uid.create_table(mbox_id)
+        d.addCallback(lambda _: m_uid.insert_doc(mbox_id, h1))
+        d.addCallback(lambda _: m_uid.insert_doc(mbox_id, h2))
+        d.addCallback(lambda _: m_uid.insert_doc(mbox_id, h3))
+        d.addCallback(lambda _: m_uid.insert_doc(mbox_id, h4))
+        d.addCallback(lambda _: m_uid.insert_doc(mbox_id, h5))
+
+        d.addCallbacks(lambda _: m_uid.delete_doc_by_uid(mbox_id, 1))
+        d.addCallbacks(lambda _: m_uid.delete_doc_by_uid(mbox_id, 2))
+        d.addCallbacks(lambda _: m_uid.delete_doc_by_hash(mbox_id, h3))
+
+        d.addCallback(lambda _: self.select_uid_rows(mbox_id))
+        d.addCallback(assert_uid_rows)
+        return d
+
+    def test_get_doc_id_from_uid(self):
+        m_uid = self.get_mbox_uid()
+
+        h1 = fmt_hash(mbox_id, hash_test0)
+
+        def assert_doc_hash(res):
+            self.assertEqual(res, h1)
+
+        d = m_uid.create_table(mbox_id)
+        d.addCallback(lambda _: m_uid.insert_doc(mbox_id, h1))
+        d.addCallback(lambda _: m_uid.get_doc_id_from_uid(mbox_id, 1))
+        d.addCallback(assert_doc_hash)
+        return d
+
+    def test_count(self):
+        m_uid = self.get_mbox_uid()
+
+        h1 = fmt_hash(mbox_id, hash_test0)
+        h2 = fmt_hash(mbox_id, hash_test1)
+        h3 = fmt_hash(mbox_id, hash_test2)
+        h4 = fmt_hash(mbox_id, hash_test3)
+        h5 = fmt_hash(mbox_id, hash_test4)
+
+        d = m_uid.create_table(mbox_id)
+        d.addCallback(lambda _: m_uid.insert_doc(mbox_id, h1))
+        d.addCallback(lambda _: m_uid.insert_doc(mbox_id, h2))
+        d.addCallback(lambda _: m_uid.insert_doc(mbox_id, h3))
+        d.addCallback(lambda _: m_uid.insert_doc(mbox_id, h4))
+        d.addCallback(lambda _: m_uid.insert_doc(mbox_id, h5))
+
+        def assert_count_after_inserts(count):
+            self.assertEquals(count, 5)
+
+        d.addCallback(lambda _: m_uid.count(mbox_id))
+        d.addCallback(assert_count_after_inserts)
+
+        d.addCallbacks(lambda _: m_uid.delete_doc_by_uid(mbox_id, 1))
+        d.addCallbacks(lambda _: m_uid.delete_doc_by_uid(mbox_id, 2))
+
+        def assert_count_after_deletions(count):
+            self.assertEquals(count, 3)
+
+        d.addCallback(lambda _: m_uid.count(mbox_id))
+        d.addCallback(assert_count_after_deletions)
+        return d
+
+    def test_get_next_uid(self):
+        m_uid = self.get_mbox_uid()
+
+        h1 = fmt_hash(mbox_id, hash_test0)
+        h2 = fmt_hash(mbox_id, hash_test1)
+        h3 = fmt_hash(mbox_id, hash_test2)
+        h4 = fmt_hash(mbox_id, hash_test3)
+        h5 = fmt_hash(mbox_id, hash_test4)
+
+        d = m_uid.create_table(mbox_id)
+        d.addCallback(lambda _: m_uid.insert_doc(mbox_id, h1))
+        d.addCallback(lambda _: m_uid.insert_doc(mbox_id, h2))
+        d.addCallback(lambda _: m_uid.insert_doc(mbox_id, h3))
+        d.addCallback(lambda _: m_uid.insert_doc(mbox_id, h4))
+        d.addCallback(lambda _: m_uid.insert_doc(mbox_id, h5))
+
+        def assert_next_uid(result, expected=1):
+            self.assertEquals(result, expected)
+
+        d.addCallback(lambda _: m_uid.get_next_uid(mbox_id))
+        d.addCallback(partial(assert_next_uid, expected=6))
+        return d
+
+    def test_all_uid_iter(self):
+
+        m_uid = self.get_mbox_uid()
+
+        h1 = fmt_hash(mbox_id, hash_test0)
+        h2 = fmt_hash(mbox_id, hash_test1)
+        h3 = fmt_hash(mbox_id, hash_test2)
+        h4 = fmt_hash(mbox_id, hash_test3)
+        h5 = fmt_hash(mbox_id, hash_test4)
+
+        d = m_uid.create_table(mbox_id)
+        d.addCallback(lambda _: m_uid.insert_doc(mbox_id, h1))
+        d.addCallback(lambda _: m_uid.insert_doc(mbox_id, h2))
+        d.addCallback(lambda _: m_uid.insert_doc(mbox_id, h3))
+        d.addCallback(lambda _: m_uid.insert_doc(mbox_id, h4))
+        d.addCallback(lambda _: m_uid.insert_doc(mbox_id, h5))
+        d.addCallback(lambda _: m_uid.delete_doc_by_uid(mbox_id, 1))
+        d.addCallback(lambda _: m_uid.delete_doc_by_uid(mbox_id, 4))
+
+        def assert_all_uid(result, expected=[2, 3, 5]):
+            self.assertEquals(result, expected)
+
+        d.addCallback(lambda _: m_uid.all_uid_iter(mbox_id))
+        d.addCallback(partial(assert_all_uid))
+        return d
diff --git a/src/leap/bitmask/mail/tests/test_walk.py b/src/leap/bitmask/mail/tests/test_walk.py
new file mode 100644
index 0000000..826ec10
--- /dev/null
+++ b/src/leap/bitmask/mail/tests/test_walk.py
@@ -0,0 +1,81 @@
+"""
+Tests for leap.mail.walk module
+"""
+import os.path
+from email.parser import Parser
+
+from leap.mail import walk
+
+CORPUS = {
+    'simple': 'rfc822.message',
+    'multimin': 'rfc822.multi-minimal.message',
+    'multisigned': 'rfc822.multi-signed.message',
+    'bounced': 'rfc822.bounce.message',
+}
+
+_here = os.path.dirname(__file__)
+_parser = Parser()
+
+
+# tests
+
+
+def test_simple_mail():
+    msg = _parse('simple')
+    tree = walk.get_tree(msg)
+    assert len(tree['part_map']) == 0
+    assert tree['ctype'] == 'text/plain'
+    assert tree['multi'] is False
+
+
+def test_multipart_minimal():
+    msg = _parse('multimin')
+    tree = walk.get_tree(msg)
+
+    assert tree['multi'] is True
+    assert len(tree['part_map']) == 1
+    first = tree['part_map'][1]
+    assert first['multi'] is False
+    assert first['ctype'] == 'text/plain'
+
+
+def test_multi_signed():
+    msg = _parse('multisigned')
+    tree = walk.get_tree(msg)
+    assert tree['multi'] is True
+    assert len(tree['part_map']) == 2
+
+    _first = tree['part_map'][1]
+    _second = tree['part_map'][2]
+    assert len(_first['part_map']) == 3
+    assert(_second['multi'] is False)
+
+
+def test_bounce_mime():
+    msg = _parse('bounced')
+    tree = walk.get_tree(msg)
+
+    ctypes = [tree['part_map'][index]['ctype']
+              for index in sorted(tree['part_map'].keys())]
+    third = tree['part_map'][3]
+    three_one_ctype = third['part_map'][1]['ctype']
+    assert three_one_ctype == 'multipart/signed'
+
+    assert ctypes == [
+        'text/plain',
+        'message/delivery-status',
+        'message/rfc822']
+
+
+# utils
+
+def _parse(name):
+    _str = _get_string_for_message(name)
+    return _parser.parsestr(_str)
+
+
+def _get_string_for_message(name):
+    filename = os.path.join(_here, CORPUS[name])
+    with open(filename) as f:
+        msgstr = f.read()
+    return msgstr
diff --git a/src/leap/bitmask/mail/utils.py b/src/leap/bitmask/mail/utils.py
new file mode 100644
index 0000000..64fca98
--- /dev/null
+++ b/src/leap/bitmask/mail/utils.py
@@ -0,0 +1,375 @@
+# -*- coding: utf-8 -*-
+# utils.py
+# Copyright (C) 2013 LEAP
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+"""
+Mail utilities.
+"""
+from email.utils import parseaddr
+import json
+import re
+import traceback
+import Queue
+
+from leap.soledad.common.document import SoledadDocument
+from leap.common.check import leap_assert_type
+from twisted.mail import smtp
+
+
+CHARSET_PATTERN = r"""charset=([\w-]+)"""
+CHARSET_RE = re.compile(CHARSET_PATTERN, re.IGNORECASE)
+
+
+def first(things):
+    """
+    Return the head of a collection.
+    """
+    try:
+        return things[0]
+    except (IndexError, TypeError):
+        return None
+
+
+def empty(thing):
+    """
+    Return True if a thing is None or its length is zero.
+    If thing is a number (int, float, long), return False.
+    """
+    if thing is None:
+        return True
+    if isinstance(thing, (int, float, long)):
+        return False
+    if isinstance(thing, SoledadDocument):
+        thing = thing.content
+    try:
+        return len(thing) == 0
+    except (ReferenceError, TypeError):
+        return True
+
+
+def maybe_call(thing):
+    """
+    Return the same thing, or the result of its invocation if it is a
+    callable.
+    """
+    return thing() if callable(thing) else thing
+
+
+def find_charset(thing, default=None):
+    """
+    Looks into the object 'thing' for a charset specification.
+    It searchs into the object's `repr`.
+
+    :param thing: the object to look into.
+    :type thing: object
+    :param default: the dafault charset to return if no charset is found.
+    :type default: str
+
+    :return: the charset or 'default'
+    :rtype: str or None
+    """
+    charset = first(CHARSET_RE.findall(repr(thing)))
+    if charset is None:
+        charset = default
+    return charset
+
+
+def lowerdict(_dict):
+    """
+    Return a dict with the keys in lowercase.
+
+    :param _dict: the dict to convert
+    :rtype: dict
+    """
+    # TODO should properly implement a CaseInsensitive dict.
+    # Look into requests code.
+    return dict((key.lower(), value)
+                for key, value in _dict.items())
+
+
+PART_MAP = "part_map"
+PHASH = "phash"
+
+
+def _str_dict(d, k):
+    """
+    Convert the dictionary key to string if it was a string.
+
+    :param d: the dict
+    :type d: dict
+    :param k: the key
+    :type k: object
+    """
+    if isinstance(k, int):
+        val = d[k]
+        d[str(k)] = val
+        del(d[k])
+
+
+def stringify_parts_map(d):
+    """
+    Modify a dictionary making all the nested dicts under "part_map" keys
+    having strings as keys.
+
+    :param d: the dictionary to modify
+    :type d: dictionary
+    :rtype: dictionary
+    """
+    for k in d:
+        if k == PART_MAP:
+            pmap = d[k]
+            for kk in pmap.keys():
+                _str_dict(d[k], kk)
+            for kk in pmap.keys():
+                stringify_parts_map(d[k][str(kk)])
+    return d
+
+
+def phash_iter(d):
+    """
+    A recursive generator that extracts all the payload-hashes
+    from an arbitrary nested parts-map dictionary.
+
+    :param d: the dictionary to walk
+    :type d: dictionary
+    :return: a list of all the phashes found
+    :rtype: list
+    """
+    if PHASH in d:
+        yield d[PHASH]
+    if PART_MAP in d:
+        for key in d[PART_MAP]:
+            for phash in phash_iter(d[PART_MAP][key]):
+                yield phash
+
+
+def accumulator(fun, lim):
+    """
+    A simple accumulator that uses a closure and a mutable
+    object to collect items.
+    When the count of items is greater than `lim`, the
+    collection is flushed after invoking a map of the function `fun`
+    over it.
+
+    The returned accumulator can also be flushed at any moment
+    by passing a boolean as a second parameter.
+
+    :param fun: the function to call over the collection
+                when its size is greater than `lim`
+    :type fun: callable
+    :param lim: the turning point for the collection
+    :type lim: int
+    :rtype: function
+
+    >>> from pprint import pprint
+    >>> acc = accumulator(pprint, 2)
+    >>> acc(1)
+    >>> acc(2)
+    [1, 2]
+    >>> acc(3)
+    >>> acc(4)
+    [3, 4]
+    >>> acc = accumulator(pprint, 5)
+    >>> acc(1)
+    >>> acc(2)
+    >>> acc(3)
+    >>> acc(None, flush=True)
+    [1,2,3]
+    """
+    KEY = "items"
+    _o = {KEY: []}
+
+    def _accumulator(item, flush=False):
+        collection = _o[KEY]
+        collection.append(item)
+        if len(collection) >= lim or flush:
+            map(fun, filter(None, collection))
+            _o[KEY] = []
+
+    return _accumulator
+
+
+def accumulator_queue(fun, lim):
+    """
+    A version of the accumulator that uses a queue.
+
+    When the count of items is greater than `lim`, the
+    queue is flushed after invoking the function `fun`
+    over its items.
+
+    The returned accumulator can also be flushed at any moment
+    by passing a boolean as a second parameter.
+
+    :param fun: the function to call over the collection
+                when its size is greater than `lim`
+    :type fun: callable
+    :param lim: the turning point for the collection
+    :type lim: int
+    :rtype: function
+    """
+    _q = Queue.Queue()
+
+    def _accumulator(item, flush=False):
+        _q.put(item)
+        if _q.qsize() >= lim or flush:
+            collection = [_q.get() for i in range(_q.qsize())]
+            map(fun, filter(None, collection))
+
+    return _accumulator
+
+
+def validate_address(address):
+    """
+    Validate C{address} as defined in RFC 2822.
+
+    :param address: The address to be validated.
+    :type address: str
+
+    @return: A valid address.
+    @rtype: str
+
+    @raise smtp.SMTPBadRcpt: Raised if C{address} is invalid.
+    """
+    leap_assert_type(address, str)
+    # in the following, the address is parsed as described in RFC 2822 and
+    # ('', '') is returned if the parse fails.
+    _, address = parseaddr(address)
+    if address == '':
+        raise smtp.SMTPBadRcpt(address)
+    return address
+
+#
+# String manipulation
+#
+
+
+class CustomJsonScanner(object):
+    """
+    This class is a context manager definition used to monkey patch the default
+    json string parsing behavior.
+    The emails can have more than one encoding, so the `str` objects have more
+    than one encoding and json does not support direct work with `str`
+    (only `unicode`).
+    """
+
+    def _parse_string_str(self, s, idx, *args, **kwargs):
+        """
+        Parses the string "s" starting at the point idx and returns an `str`
+        object. Which basically means it works exactly the same as the regular
+        JSON string parsing, except that it doesn't try to decode utf8.
+        We need this because mail raw strings might have bytes in multiple
+        encodings.
+
+        :param s: the string we want to parse
+        :type s: str
+        :param idx: the starting point for parsing
+        :type idx: int
+
+        :returns: the parsed string and the index where the
+                  string ends.
+        :rtype: tuple (str, int)
+        """
+        # NOTE: we just want to use this monkey patched version if we are
+        # calling the loads from our custom method. Otherwise, we use the
+        # json's default parser.
+        monkey_patched = False
+        for i in traceback.extract_stack():
+            # look for json_loads method in the call stack
+            if i[2] == json_loads.__name__:
+                monkey_patched = True
+                break
+
+        if not monkey_patched:
+            return self._orig_scanstring(s, idx, *args, **kwargs)
+
+        # TODO profile to see if a compiled regex can get us some
+        # benefit here.
+        found = False
+        end = s.find("\"", idx)
+        while not found:
+            try:
+                if s[end - 1] != "\\":
+                    found = True
+                else:
+                    end = s.find("\"", end + 1)
+            except Exception:
+                found = True
+        return s[idx:end].decode("string-escape"), end + 1
+
+    def __enter__(self):
+        """
+        Replace the json methods with the needed ones.
+        Also make a backup to restore them later.
+        """
+        # backup original values
+        self._orig_make_scanner = json.scanner.make_scanner
+        self._orig_scanstring = json.decoder.scanstring
+
+        # We need the make_scanner function to be the python one so we can
+        # monkey_patch the json string parsing
+        json.scanner.make_scanner = json.scanner.py_make_scanner
+
+        # And now we monkey patch the money method
+        json.decoder.scanstring = self._parse_string_str
+
+    def __exit__(self, exc_type, exc_value, traceback):
+        """
+        Restores the backuped methods.
+        """
+        # restore original values
+        json.scanner.make_scanner = self._orig_make_scanner
+        json.decoder.scanstring = self._orig_scanstring
+
+
+def json_loads(data):
+    """
+    It works as json.loads but supporting multiple encodings in the same
+    string and accepting an `str` parameter that won't be converted to unicode.
+
+    :param data: the string to load the objects from
+    :type data: str
+
+    :returns: the corresponding python object result of parsing 'data', this
+              behaves similarly as json.loads, with the exception of that
+              returns always `str` instead of `unicode`.
+    """
+    obj = None
+    with CustomJsonScanner():
+        # We need to use the cls parameter in order to trigger the code
+        # that will let us control the string parsing method.
+        obj = json.loads(data, cls=json.JSONDecoder)
+
+    return obj
+
+
+class CaseInsensitiveDict(dict):
+    """
+    A dictionary subclass that will allow case-insenstive key lookups.
+    """
+    def __init__(self, d=None):
+        if d is None:
+            d = []
+        if isinstance(d, dict):
+            for key, value in d.items():
+                self[key] = value
+        else:
+            for key, value in d:
+                self[key] = value
+
+    def __setitem__(self, key, value):
+        super(CaseInsensitiveDict, self).__setitem__(key.lower(), value)
+
+    def __getitem__(self, key):
+        return super(CaseInsensitiveDict, self).__getitem__(key.lower())
diff --git a/src/leap/bitmask/mail/walk.py b/src/leap/bitmask/mail/walk.py
new file mode 100644
index 0000000..d143d61
--- /dev/null
+++ b/src/leap/bitmask/mail/walk.py
@@ -0,0 +1,107 @@
+# -*- coding: utf-8 -*-
+# walk.py
+# Copyright (C) 2013-2015 LEAP
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+"""
+Walk a message tree and generate documents that can be inserted in the backend
+store.
+"""
+from email.parser import Parser
+
+from cryptography.hazmat.backends.multibackend import MultiBackend
+from cryptography.hazmat.backends.openssl.backend import (
+    Backend as OpenSSLBackend)
+from cryptography.hazmat.primitives import hashes
+
+from leap.mail.utils import first
+
+crypto_backend = MultiBackend([OpenSSLBackend()])
+
+_parser = Parser()
+
+
+def get_tree(msg):
+    p = {}
+    p['ctype'] = msg.get_content_type()
+    p['headers'] = msg.items()
+
+    payload = msg.get_payload()
+    is_multi = msg.is_multipart()
+    if is_multi:
+        p['part_map'] = dict(
+            [(idx, get_tree(part)) for idx, part in enumerate(payload, 1)])
+        p['parts'] = len(payload)
+        p['phash'] = None
+    else:
+        p['parts'] = 0
+        p['size'] = len(payload)
+        p['phash'] = get_hash(payload)
+        p['part_map'] = {}
+    p['multi'] = is_multi
+    return p
+
+
+def get_tree_from_string(messagestr):
+    return get_tree(_parser.parsestr(messagestr))
+
+
+def get_body_phash(msg):
+    """
+    Find the body payload-hash for this message.
+    """
+    for part in msg.walk():
+        # XXX what other ctypes should be considered body?
+        if part.get_content_type() in ("text/plain", "text/html"):
+            # XXX avoid hashing again
+            return get_hash(part.get_payload())
+
+
+def get_raw_docs(msg):
+    """
+    We get also some of the headers to be able to
+    index the content. Here we remove any mutable part, as the the filename
+    in the content disposition.
+    """
+    return (
+        {'type': 'cnt',
+         'raw': part.get_payload(),
+         'phash': get_hash(part.get_payload()),
+         'content-type': part.get_content_type(),
+         'content-disposition': first(part.get(
+             'content-disposition', '').split(';')),
+         'content-transfer-encoding': part.get(
+             'content-transfer-encoding', '')
+         } for part in msg.walk() if not isinstance(part.get_payload(), list))
+
+
+def get_hash(s):
+    digest = hashes.Hash(hashes.SHA256(), crypto_backend)
+    digest.update(s)
+    return digest.finalize().encode("hex").upper()
+
+
+"""
+Groucho Marx: Now pay particular attention to this first clause, because it's
+              most important. There's the party of the first part shall be
+              known in this contract as the party of the first part. How do you
+              like that, that's pretty neat eh?
+
+Chico Marx: No, that's no good.
+Groucho Marx: What's the matter with it?
+
+Chico Marx: I don't know, let's hear it again.
+Groucho Marx: So the party of the first part shall be known in this contract as
+              the party of the first part.
+"""