Here's how I do Exim4 <-> Mailman integration. It works well with
Mailman's virtual domain support and permits mixing mailman lists and
other email on the same domain.
It is slightly edited from my production configuration. The only thing
that worries me is that I run with MAILMAN_GID=list, and so does the
submitter. Everything works, yet multiple sources say that this should
match the argument to --with-mail-gid, namely daemon (so I've put that
in this draft). Could somebody comment on that? I couldn't find any
mailman-related file owned by group "daemon" and the daemons run with
gid list (and not daemon, even not as a supplementary group), too.
Could someone comment on that? It feels weird to me.
--
Lionel
Here's a way to integrate mailman with Exim4 that will automatically
play nice with mailman's virtual domains support and VERP. It does not
require dedicating domain(s) to mailman.
Configure your Mailman (in /etc/mailman/mm_cfg.py) with:
MTA = 'Postfix'
POSTFIX_ALIAS_CMD = '/bin/true'
POSTFIX_MAP_CMD = 'chgrp Debian-exim'
and list all your Mailman domains in "POSTFIX_STYLE_VIRTUAL_DOMAINS".
Put this in your exim4 main configuration (if you use a split config,
for example /etc/exim4/conf.d/main/04_local_mailman_macros)
---------------------- BEGIN EXIM4 MAIN ----------------------------
# Home dir for your Mailman installation -- aka Mailman's prefix
# directory.
MAILMAN_HOME=/var/lib/mailman
MAILMAN_WRAP=MAILMAN_HOME/mail/mailman
# User and group for Mailman, should match your --with-mail-gid
# switch to Mailman's configure script.
MAILMAN_USER=list
MAILMAN_GROUP=daemon
---------------------- END EXIM4 MAIN ----------------------------
Put this in your exim4 router configuration (if you use a split
config, then for example /etc/exim4/conf.d/router/970_local_mailman)
---------------------- BEGIN EXIM4 ROUTER ----------------------------
# Messages get sent out with
# envelope from "[EMAIL PROTECTED]"
# But mailman doesn't put such addresses
# in the aliases. Recognise these here.
mailman_workaround:
domains = +local_domains
require_files = MAILMAN_HOME/lists/$local_part/config.pck
driver = accept
local_parts = mailman
local_part_suffix_optional
local_part_suffix = -bounces : -bounces+* : \
-confirm+* : -join : -leave : \
-owner : -request : -admin
transport = mailman_transport
group = MAILMAN_GROUP
# Mailman lists
mailman_router:
domains = +local_domains
condition = [EMAIL PROTECTED]/data/virtual-mailman}{1}{0}}
require_files = MAILMAN_HOME/lists/$local_part/config.pck
driver = accept
local_part_suffix_optional
local_part_suffix = -bounces : -bounces+* : \
-confirm+* : -join : -leave : \
-owner : -request : -admin
transport = mailman_transport
group = MAILMAN_GROUP
---------------------- END EXIM4 ROUTER ----------------------------
Put this in your exim4 transport configuration (if you use a split
config, then for example /etc/exim4/conf.d/transport/40_local_mailman)
---------------------- BEGIN EXIM4 TRANSPORT -------------------------
mailman_transport:
driver = pipe
command = MAILMAN_WRAP \
'${if def:local_part_suffix \
{${sg{$local_part_suffix}{-(\\w+)(\\+.*)?}{\$1}}} \
{post}}' \
$local_part
current_directory = MAILMAN_HOME
home_directory = MAILMAN_HOME
user = MAILMAN_USER
group = MAILMAN_GROUP
freeze_exec_fail = true
---------------------- END EXIM4 TRANSPORT -------------------------
You are done!
