2 files changed, 13 insertions, 6 deletions
diff --git a/puppet/modules/site_postfix/manifests/mx.pp b/puppet/modules/site_postfix/manifests/mx.pp
index 7ec60d49..75378480 100644
--- a/puppet/modules/site_postfix/manifests/mx.pp
+++ b/puppet/modules/site_postfix/manifests/mx.pp
@@ -51,6 +51,12 @@ class site_postfix::mx {
       value => 'static:42424';
     'smtpd_tls_received_header':
       value => 'yes';
+    # the following is needed for matching user's client cert fingerprints to
+    # enable relaying (#3634)
+    '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':
diff --git a/puppet/modules/site_postfix/manifests/mx/smtpd_checks.pp b/puppet/modules/site_postfix/manifests/mx/smtpd_checks.pp
index 1c3e5c92..f2bd571b 100644
--- a/puppet/modules/site_postfix/manifests/mx/smtpd_checks.pp
+++ b/puppet/modules/site_postfix/manifests/mx/smtpd_checks.pp
@@ -15,13 +15,14 @@ class site_postfix::mx::smtpd_checks {
       value => 'permit_mynetworks, reject_invalid_helo_hostname, reject_non_fqdn_helo_hostname, check_helo_access hash:$checks_dir/helo_checks, permit';
     'smtpd_recipient_restrictions':
       value => 'reject_unknown_recipient_domain, permit_mynetworks, check_recipient_access tcp:localhost:2244, reject_unauth_destination, permit';
-    # We should change from permit_tls_all_clientcerts to permit_tls_clientcerts
-    # with a lookup on $relay_clientcerts! Right now we are listing the only
-    # valid CA that client certificates can use in the $smtp_tls_CAfile parameter
-    # but we cannot cut off a certificate that should no longer be used unless
-    # we use permit_tls_clientcerts with the $relay_clientcerts lookup
+
+    # permit_tls_clientcerts will lookup client cert fingerprints from the tcp
+    # lookup on port 2424 (based on what is configured in relay_clientcerts
+    # paramter, see site_postfix::mx postfix::config resource) to determine
+    # if a client is allowed to relay mail through us. This enables us to
+    # disable a user by removing their valid client cert (#3634)
     'smtps_recipient_restrictions':
-      value => 'permit_tls_all_clientcerts, check_recipient_access tcp:localhost:2244, reject_unauth_destination, permit';
+      value => 'permit_tls_clientcerts, check_recipient_access tcp:localhost:2244, reject_unauth_destination, permit';
     'smtps_helo_restrictions':
       value => 'permit_mynetworks, check_helo_access hash:$checks_dir/helo_checks, permit';
     'smtpd_sender_restrictions':