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-rw-r--r--roles/IMAP/files/etc/postfix/recipient_canonical.pcre4
-rw-r--r--roles/IMAP/tasks/mda.yml6
-rw-r--r--roles/IMAP/templates/etc/postfix/main.cf.j25
-rw-r--r--roles/MX/tasks/main.yml5
-rw-r--r--roles/MX/templates/etc/postfix/main.cf.j226
-rw-r--r--roles/MX/templates/etc/postfix/virtual/list.cf.j24
-rw-r--r--roles/MX/templates/etc/postfix/virtual/mailbox.cf.j24
-rw-r--r--roles/MX/templates/etc/postfix/virtual/transport.j213
-rw-r--r--roles/MX/templates/etc/postfix/virtual/transport_list.cf.j213
-rw-r--r--roles/MX/templates/etc/postfix/virtual/transport_reserved_alias.j21
10 files changed, 48 insertions, 33 deletions
diff --git a/roles/IMAP/files/etc/postfix/recipient_canonical.pcre b/roles/IMAP/files/etc/postfix/recipient_canonical.pcre
new file mode 100644
index 0000000..07c5859
--- /dev/null
+++ b/roles/IMAP/files/etc/postfix/recipient_canonical.pcre
@@ -0,0 +1,4 @@
+# Restore the original envelope recipient (drop our internal domain).
+# Extensions are preserved as they are included in $2.
+
+/^([^\/]+)\/(.+)@[^@]+$/ $2@$1
diff --git a/roles/IMAP/tasks/mda.yml b/roles/IMAP/tasks/mda.yml
index 1aac519..0358f12 100644
--- a/roles/IMAP/tasks/mda.yml
+++ b/roles/IMAP/tasks/mda.yml
@@ -29,6 +29,12 @@
- mailbox.cf
- transport_content_filter.cf
+- name: Copy recipient canonical
+ copy: src=etc/postfix/recipient_canonical.pcre
+ dest=/etc/postfix-{{ postfix_instance[inst].name }}/recipient_canonical.pcre
+ owner=root group=root
+ mode=0644
+
- name: Start Postfix
service: name=postfix state=started
when: not r.changed
diff --git a/roles/IMAP/templates/etc/postfix/main.cf.j2 b/roles/IMAP/templates/etc/postfix/main.cf.j2
index e4c01bd..d0421ce 100644
--- a/roles/IMAP/templates/etc/postfix/main.cf.j2
+++ b/roles/IMAP/templates/etc/postfix/main.cf.j2
@@ -55,6 +55,11 @@ virtual_mailbox_domains = ldap:$config_directory/virtual/mailbox_domains.cf
virtual_mailbox_maps = ldap:$config_directory/virtual/mailbox.cf
transport_maps = ldap:$config_directory/virtual/transport_content_filter.cf
+# Restore the original envelope recipient
+relay_domains = $myhostname
+recipient_canonical_classes = envelope_recipient
+recipient_canonical_maps = pcre:$config_directory/recipient_canonical.pcre
+
# Don't rewrite remote headers
local_header_rewrite_clients =
# Tolerate occasional high latency
diff --git a/roles/MX/tasks/main.yml b/roles/MX/tasks/main.yml
index e8dadb1..2670703 100644
--- a/roles/MX/tasks/main.yml
+++ b/roles/MX/tasks/main.yml
@@ -53,12 +53,11 @@
- list.cf
- alias_domains.cf
- catchall.cf
- - transport_reserved_alias
- - transport_list.cf
+ - transport
- name: Compile the Reserved Transport Maps
postmap: instance={{ postfix_instance[inst].name }}
- src=/etc/postfix-{{ postfix_instance[inst].name }}/virtual/transport_reserved_alias db=cdb
+ src=/etc/postfix-{{ postfix_instance[inst].name }}/virtual/transport db=cdb
owner=root group=root
mode=0644
diff --git a/roles/MX/templates/etc/postfix/main.cf.j2 b/roles/MX/templates/etc/postfix/main.cf.j2
index 6c2004a..8bed701 100644
--- a/roles/MX/templates/etc/postfix/main.cf.j2
+++ b/roles/MX/templates/etc/postfix/main.cf.j2
@@ -51,25 +51,22 @@ relayhost = [{{ MTA_out.host }}]:{{ MTA_out.port }}
relay_domains =
# Virtual transport
-{% if 'LDA' in group_names %}
-virtual_transport = smtpl:[127.0.0.1]:{{ LDA.port }}
-{% else %}
-virtual_transport = smtps:[{{ LDA.host }}]:{{ LDA.port }}
-{% endif %}
-
+# We use a dedicated "virtual" domain to decongestion potential
+# bottlenecks on trivial_rewrite(8) due to slow LDAP lookups in
+# tranport_maps.
+virtual_transport = error:5.1.1 Virtual transport unavailable
virtual_mailbox_domains = ldap:$config_directory/virtual/mailbox_domains.cf
virtual_alias_maps = pcre:$config_directory/virtual/reserved_alias.pcre
+ # first we do the alias resolution...
ldap:$config_directory/virtual/alias.cf
- # stop the alias resolution (by making finding
- # an A -> A alias) before searching for
- # catch-alls and domain aliases
- $virtual_mailbox_maps
+ # ...and unless there is matching mailbox/list...
+ ldap:$config_directory/virtual/mailbox.cf
+ ldap:$config_directory/virtual/list.cf
+ # ...we resolve alias domains and catch alls
ldap:$config_directory/virtual/alias_domains.cf
ldap:$config_directory/virtual/catchall.cf
-virtual_mailbox_maps = ldap:$config_directory/virtual/mailbox.cf
- ldap:$config_directory/virtual/list.cf
-transport_maps = cdb:$config_directory/virtual/transport_reserved_alias
- ldap:$config_directory/virtual/transport_list.cf
+virtual_mailbox_maps =
+transport_maps = cdb:$config_directory/virtual/transport
# Don't rewrite remote headers
local_header_rewrite_clients =
@@ -77,6 +74,7 @@ local_header_rewrite_clients =
smtp_send_xforward_command = yes
# Avoid splitting the envelope and scanning messages multiple times
smtp_destination_recipient_limit = 1000
+reserved-alias_recipient_limit = 1
# Tolerate occasional high latency
smtp_data_done_timeout = 1200s
diff --git a/roles/MX/templates/etc/postfix/virtual/list.cf.j2 b/roles/MX/templates/etc/postfix/virtual/list.cf.j2
index 8bcd5df..6100c01 100644
--- a/roles/MX/templates/etc/postfix/virtual/list.cf.j2
+++ b/roles/MX/templates/etc/postfix/virtual/list.cf.j2
@@ -6,4 +6,6 @@ scope = base
bind = none
query_filter = (&(objectClass=FripostVirtualList)(fvl=%u))
result_attribute = fvl
-result_format = %S
+# Use a dedicated "virtual" domain to decongestion potential bottlenecks
+# on trivial_rewrite(8) due to slow LDAP lookups in tranport_maps.
+result_format = %D/%U@lists.guilhem.org
diff --git a/roles/MX/templates/etc/postfix/virtual/mailbox.cf.j2 b/roles/MX/templates/etc/postfix/virtual/mailbox.cf.j2
index b421e9a..fe27124 100644
--- a/roles/MX/templates/etc/postfix/virtual/mailbox.cf.j2
+++ b/roles/MX/templates/etc/postfix/virtual/mailbox.cf.j2
@@ -6,4 +6,6 @@ scope = base
bind = none
query_filter = (&(objectClass=FripostVirtualUser)(fvl=%u))
result_attribute = fvl
-result_format = %S
+# Use a dedicated "virtual" domain to decongestion potential bottlenecks
+# on trivial_rewrite(8) due to slow LDAP lookups in tranport_maps.
+result_format = %D/%U@mda.guilhem.org
diff --git a/roles/MX/templates/etc/postfix/virtual/transport.j2 b/roles/MX/templates/etc/postfix/virtual/transport.j2
new file mode 100644
index 0000000..6d244dc
--- /dev/null
+++ b/roles/MX/templates/etc/postfix/virtual/transport.j2
@@ -0,0 +1,13 @@
+reserved.locahost.localdomain reserved-alias:
+
+{% if 'LDA' in group_names %}
+mda.guilhem.org smtpl:[127.0.0.1]:{{ LDA.port }}
+{% else %}
+mda.guilhem.org smtps:[{{ LDA.host }}]:{{ LDA.port }}
+{% endif %}
+
+{% if 'lists' in group_names %}
+lists.guilhem.org smtpl:[127.0.0.1]:{{ lists.port }}
+{% else %}
+lists.guilhem.org smtps:[{{ lists.host }}]:{{ lists.port }}
+{% endif %}
diff --git a/roles/MX/templates/etc/postfix/virtual/transport_list.cf.j2 b/roles/MX/templates/etc/postfix/virtual/transport_list.cf.j2
deleted file mode 100644
index eb696db..0000000
--- a/roles/MX/templates/etc/postfix/virtual/transport_list.cf.j2
+++ /dev/null
@@ -1,13 +0,0 @@
-server_host = ldapi://%2Fprivate%2Fldapi/
-version = 3
-search_base = fvl=%u,fvd=%d,ou=virtual,o=mailHosting,dc=fripost,dc=org
-domain = static:all
-scope = base
-bind = none
-query_filter = (&(objectClass=FripostVirtualList)(fvl=%u))
-result_attribute = fvl
-{% if 'lists' in group_names %}
-result_format = smtpl:[127.0.0.1]:{{ lists.port }}
-{% else %}
-result_format = smtps:[{{ lists.host }}]:{{ lists.port }}
-{% endif %}
diff --git a/roles/MX/templates/etc/postfix/virtual/transport_reserved_alias.j2 b/roles/MX/templates/etc/postfix/virtual/transport_reserved_alias.j2
deleted file mode 100644
index 4af5318..0000000
--- a/roles/MX/templates/etc/postfix/virtual/transport_reserved_alias.j2
+++ /dev/null
@@ -1 +0,0 @@
-reserved.locahost.localdomain reserved-alias: