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+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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- <title>HOWTO - Using exim and mailman together</title>
+ <title>Exim and Mailman HOWTO</title>
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- <body bgcolor="#FFFFFF" text="#00005A" link="#FF6600" alink="#FF9933" vlink="#990000">
- <h1>HOWTO - Using exim and mailman together</h1>
+ <body>
+ <h1>Exim and Mailman HOWTO</h1>
- <p>Mailman is a list manager with web front end and built in
- archiving functions. Details can be found at <a href="http://www.list.org/">http://www.list.org/</a></p>
+ <p><a href="http://www.list.org/">Mailman</a> is a Mailing List
+ Manager (MLM). There are 2 sets of documents on integration of
+ Mailman with exim:-</p>
- <h2>Mailman configuration</h2>
+ <ul>
- <p>There is no mailman configuration needed other than the
- standard options detailed in the mailman install documentation.
- The exim configuration is transparent to mailman. The uid/gid
- settings for mailman must match those in the config fragments
- given below.</p>
+ <li>The <a href="mailman21.html">current document</a> which
+ covers Mailman version 2.1 and Exim version 4 - this should be
+ used for all new installations, since older versions of both
+ sets of software are now obsolete.</li>
- <h2>Exim configuration</h2>
+ <li>The <a href="mailman20.html">old document</a> covering
+ Mailman 2.0 and Exim 3</li>
- <p>The exim configuration is built so that a list created within
- mailman automagically appears to exim without the need for
- additional alias files etc to be changed.</p>
-
- <p>The drawback of this configuration is that it will work poorly
- on systems supporting lists in several different mail domains -
- for that matter mailman itself has poor support for this right
- now. This may change in the future</p>
-
- <p>The configuration file segments included are to be built on top
- of an already functional exim configuration, which accepts mail
- for the domain which the list resides in (ie that domain is
- already in <tt>local_domains</tt> - should this domain be separate
- from the others handled by this exim, then add the list domain to
- <tt>local_domains</tt>, add a <tt>domains=my.list.domain</tt>
- option to each of the directors and you may wish to exclude that
- domain from the other directors.</p>
-
- <p>Your exim configuration also needs a working alias
- configuration, with entries (within the list domain) for
- <tt>mailman</tt>, <tt>mailman-request</tt> and
- <tt>mailman-admin</tt> (plus any other global contact addresses
- for the list master). These addresses point to a (or some - not
- necessarily the same for all of these aliases) human rather than
- being piped into mailman. You do <b>not</b> need to put per-list
- entries into the system alias file, and doing so will most likely
- break things since the user id used for delivery is likely to be
- incorrect or not set (which causes an exim delivery time config
- error).</p>
-
- <p>There are 3 config file sections below which need pasting into
- the appropriate parts of the main exim config file. The first one
- may also need tailoring to your mailman configuration</p>
-
- <h4>Main config file section</h4>
-<pre>
-## Top section of config file - macro definitions
-## Tailor these to fit your installation
-## pretty much everything else should just fit...
-##
-# home dir for mailman
-MAILMAN_HOME=/home/mailman
-# wrapper script for mailman
-MAILMAN_WRAP=MAILMAN_HOME/mail/wrapper
-# user and group for mailman
-MAILMAN_UID=exim
-MAILMAN_GID=exim
-</pre>
- <h4>Transports config file section</h4>
-<pre>
-## Transports section
-##
-## Three transports for list mail, request mail and admin mail
-## respectively
-## Mailman is installed in MAILMAN_HOME
-## Mailman is configured to be invoked as user exim
-list_transport:
- driver = pipe
- command = MAILMAN_WRAP post ${lc:$local_part}
- current_directory = MAILMAN_HOME
- home_directory = MAILMAN_HOME
- user = MAILMAN_UID
- group = MAILMAN_GID
-
-list_request_transport:
- driver = pipe
- command = MAILMAN_WRAP mailcmd ${lc:$local_part}
- current_directory = MAILMAN_HOME
- home_directory = MAILMAN_HOME
- user = MAILMAN_UID
- group = MAILMAN_GID
-
-list_admin_transport:
- driver = pipe
- command = MAILMAN_WRAP mailowner ${lc:$local_part}
- current_directory = MAILMAN_HOME
- home_directory = MAILMAN_HOME
- user = MAILMAN_UID
- group = MAILMAN_GID
-
-### end of transports section fragment
-</pre>
- <h4>Directors config file section</h4>
-<pre>
-## Directors section [this deals with local addresses]
-##
-## First 2 directors rewrite list-owner or owner-list to list-admin
-## This is only done if the list exists.
-## List existence checks are done by seeing if the file
-## MAILMAN_HOME/lists/<list>/config.db
-## exists.
-
-list_owner_director:
- driver = smartuser
- require_files = MAILMAN_HOME/lists/${lc:$local_part}/config.db
- suffix = "-owner"
- new_address = "${lc:$local_part}-admin@${domain}"
-
-owner_list_director:
- driver = smartuser
- require_files = MAILMAN_HOME/lists/${lc:$local_part}/config.db
- prefix = "owner-"
- new_address = "${lc:$local_part}-admin@${domain}"
-
-##
-## Next 3 directors direct admin, request and list mail to the appropriate
-## transport. List existence is checked as above.
-
-list_admin_director:
- driver = smartuser
- suffix = -admin
- require_files = MAILMAN_HOME/lists/${lc:$local_part}/config.db
- transport = list_admin_transport
-
-list_request_director:
- driver = smartuser
- suffix = -request
- require_files = MAILMAN_HOME/lists/${lc:$local_part}/config.db
- transport = list_request_transport
-
-list_director:
- driver = smartuser
- require_files = MAILMAN_HOME/lists/${lc:$local_part}/config.db
- transport = list_transport
-
-## End of directors fragment
-## End of config files bits
-</pre>
-
-<p>Exim should be configured to allow reasonable volume - ie no
-setting <tt>max_recipients</tt> down to a silly value, and with normal
-degrees of security - ie allowing relaying from <tt>127.0.0.1</tt>
-(thats vital), but pretty much nothing else. Parallel deliveries and
-other tweaks can also be used. Delay warning messages should be
-switched off or configured to only happen for non-list mail - unless
-you like receiving tons of mail when a host is down.</p>
-
-<h3>Problems</h3>
-<ul>
-
- <li>Mailman's detection of exim bounces needs improving - it really
- should make use of the extra header information that exim provides.
- It also should recognise and deal with or ignore delay warning
- messages. <i>Mailman 2.0beta does handle exim bounces correctly,
- but still passes delay warnings to the list administrator</i></li>
-
- <li>List existence is checked on whether there is a config.db file
- for a list. If you delete lists by foul means, be aware of
- this.</li>
-
- <li>If you are getting exim or mailman complaining about user ids
- when you send mail to a list, check that the MAILMAN_UID and
- MAILMAN_GID match those of mailman itself. Also make sure you do
- <b>not</b> have aliases in the main alias file for the list.</li>
-</ul>
-
- <h2>Other Tweaks</h2>
-
- <p>One solution passed to me for handling virtual domains was -
- <i>Since I use mailman in a virtual domain configuration with a
- separate installation for each virtual domain, I did a slight
- modification like this:</i></p>
-
-<pre>
-## transport configurations
-
-command = "/virtual/${domain}/mailman/mail/wrapper post ${lc:$local_part}"
-current_directory = /virtual/${domain}/mailman
-home_directory = /virtual/${domain}/mailman
-
-## and in the director part:
-
-require_files = /virtual/${domain}/mailman/lists/${lc:$local_part}/config.db
-
-</pre>
-
- <h2>Exim List Efficiency Tweaks</h2>
-
- <p>This is a set of configuration directives I used on the list
- boxes I admin. Some of these are necessary, others are cosmetic,
- a few are probably superfluous - they work for me!</p>
-<pre>
-# definition of injecting IP addresses
-LOCAL_NETS=127.0.0.1/32
-#
-# Extra logging data - not necessary but makes the logs more
-# useful, but bigger
-# lookup all hostnames - puts hostnames into log as well as ips
-host_lookup = 0.0.0.0/0
-# tweak logging
-log_all_parents
-log_file_path = /var/log/exim/%s.log
-log_received_recipients
-log_refused_recipients
-log_received_sender
-log_smtp_confirmation
-#
-# RBL settings - these are more severe than I use
-rbl_domains = rbl.maps.vix.com/reject:relays.mail-abuse.org/reject:dul.maps.vix.com/reject:relays.orbs.org=127.0.0.2,127.0.0.3/reject
-rbl_hosts = !LOCAL_NETS:0.0.0.0/0
-rbl_log_rcpt_count
-recipients_reject_except=postmaster@*:*-admin@*
-#
-# relay control - from our local network only
-host_accept_relay = LOCAL_NETS
-#
-# delay warnings - second line is now default, but earlier versions of
-# exim need it setting
-delay_warning = 26h
-##delay_warning_condition = "${if match{$h_precedence:}{(?i)bulk|list|junk}{no}{yes}}"
-#
-# Verify receipient addresses on everything except local injects
-# DO NOT verify addresses from mailman - this would slow down
-# the acceptance of messages dramatically
-receiver_verify_hosts = !127.0.0.1/8:0.0.0.0/0
-sender_verify
-#
-# performance tweaks - 1st is good for linux, maybe less so for others
-split_spool_directory
-remote_max_parallel = 15
-</pre>
-
-<h2>List verification</h2>
-
-<p>This is how a set of address tests for the exim lists look on a
-working system. (command lines start with ">")</p>
-<pre>
-> /usr/sbin/exim -v -bt exim-users
-exim-users@www.exim.org
- deliver to exim-users in domain www.exim.org
- director = list_director, transport = list_transport
-
-> /usr/sbin/exim -bt exim-users-request
-exim-users-request@www.exim.org
- deliver to exim-users in domain www.exim.org
- director = list_request_director, transport = list_request_transport
-
-> /usr/sbin/exim -bt exim-users-admin
-exim-users-admin@www.exim.org
- deliver to exim-users in domain www.exim.org
- director = list_admin_director, transport = list_admin_transport
+ </ul>
<hr>
- <address><a href="mailto:Postmaster@exim.org">Nigel Metheringham</a></address>
-<!-- Created: Mon Aug 25 15:46:41 BST 1997 -->
- <h4>$Id: mailman.html,v 1.1.1.1 2000/05/22 19:54:43 nigel Exp $</h4>
+ <address>$Cambridge$</address>
+<!-- Created: Wed Jun 9 12:32:18 BST 2004 -->
+<!-- hhmts start -->
+Last modified: Wed Jun 9 12:36:34 BST 2004
+<!-- hhmts end -->
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