1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
|
#
# configure mx node
#
class site_postfix::mx {
$domain_hash = hiera('domain')
$domain = $domain_hash['full_suffix']
$host_domain = $domain_hash['full']
$cert_name = hiera('name')
$mynetworks = join(hiera('mynetworks', ''), ' ')
$rbls = suffix(prefix(hiera('rbls', []), 'reject_rbl_client '), ',')
$root_mail_recipient = hiera('contacts')
$postfix_smtp_listen = 'all'
$postfix_use_postscreen = 'yes'
include site_config::x509::cert
include site_config::x509::key
include site_config::x509::client_ca::ca
include site_config::x509::client_ca::key
postfix::config {
'mynetworks':
value => "127.0.0.0/8 [::1]/128 [fe80::]/64 ${mynetworks}";
# Note: mydestination should not include @domain, because this is
# used in virtual alias maps.
'mydestination':
value => "\$myorigin, localhost, localhost.\$mydomain";
'myhostname':
value => $host_domain;
'mailbox_size_limit':
value => '0';
'home_mailbox':
value => '';
'virtual_mailbox_domains':
value => 'deliver.local';
'virtual_mailbox_base':
value => '/var/mail/leap-mx';
'virtual_mailbox_maps':
value => 'static:Maildir/';
# Note: virtual-aliases map will take precedence over leap-mx
# lookup (tcp:localhost)
'virtual_alias_maps':
value => 'hash:/etc/postfix/virtual-aliases tcp:localhost:4242';
'luser_relay':
value => '';
# uid and gid are set to an arbitrary hard-coded value here, this
# must match the 'leap-mx' user/group
'virtual_uid_maps':
value => 'static:42424';
'virtual_gid_maps':
value => 'static:42424';
# the two following configs are needed for matching user's client cert
# fingerprints to enable relaying (#3634). Satellites do not have
# these configured.
'smtpd_tls_fingerprint_digest':
value => 'sha1';
'relay_clientcerts':
value => 'tcp:localhost:2424';
# Note: we are setting this here, instead of in site_postfix::mx::smtp_tls
# because the satellites need to have a different value
'smtp_tls_security_level':
value => 'may';
# reject inbound mail to system users
# see https://leap.se/code/issues/6829
# this blocks *only* mails to system users, that don't appear in the
# alias map
'local_recipient_maps':
value => '$alias_maps';
# setup clamav and opendkim on smtpd
'smtpd_milters':
value => 'unix:/run/clamav/milter.ctl,inet:localhost:8891';
# setup opendkim for smtp (non-smtpd) outgoing mail
'non_smtpd_milters':
value => 'inet:localhost:8891';
'milter_default_action':
value => 'accept';
# Make sure that the right values are set, these could be set to different
# things on install, depending on preseed or debconf options
# selected (see #7478)
'relay_transport':
value => 'relay';
'default_transport':
value => 'smtp';
'mailbox_command':
value => '';
'header_checks':
value => '';
'postscreen_access_list':
value => 'permit_mynetworks';
'postscreen_greet_action':
value => 'enforce';
}
include ::site_postfix::mx::smtpd_checks
include ::site_postfix::mx::checks
include ::site_postfix::mx::smtp_tls
include ::site_postfix::mx::smtpd_tls
include ::site_postfix::mx::static_aliases
include ::site_postfix::mx::rewrite_openpgp_header
include ::site_postfix::mx::received_anon
include ::clamav
include ::opendkim
include ::postfwd
# greater verbosity for debugging, take out for production
#include site_postfix::debug
case $::operatingsystemrelease {
/^7.*/: {
$smtpd_relay_restrictions=''
}
default: {
$smtpd_relay_restrictions=" -o smtpd_relay_restrictions=\$smtps_relay_restrictions\n"
}
}
$mastercf_tail = "
smtps inet n - - - - smtpd
-o smtpd_tls_wrappermode=yes
-o smtpd_tls_security_level=encrypt
${smtpd_relay_restrictions} -o smtpd_recipient_restrictions=\$smtps_recipient_restrictions
-o smtpd_helo_restrictions=\$smtps_helo_restrictions
-o smtpd_client_restrictions=
-o cleanup_service_name=clean_smtps
clean_smtps unix n - n - 0 cleanup
-o header_checks=pcre:/etc/postfix/checks/rewrite_openpgp_headers,pcre:/etc/postfix/checks/received_anon"
class { 'postfix':
preseed => true,
root_mail_recipient => $root_mail_recipient,
smtp_listen => 'all',
mastercf_tail => $mastercf_tail,
use_postscreen => 'yes',
require => [
Class['Site_config::X509::Key'],
Class['Site_config::X509::Cert'],
Class['Site_config::X509::Client_ca::Key'],
Class['Site_config::X509::Client_ca::Ca'],
User['leap-mx'] ]
}
}
|
