X-Git-Url: https://git.exim.org/exim-website.git/blobdiff_plain/d0a23d95ff73057bd33493b75522f58815123f0b..c22e79070947faaabf3fd6cfb01acfb00c4c47db:/howto/mailman20.html diff --git a/howto/mailman20.html b/howto/mailman20.html new file mode 100644 index 0000000..0fa8f2d --- /dev/null +++ b/howto/mailman20.html @@ -0,0 +1,270 @@ + + + + HOWTO - Using exim and Mailman together + + + +

HOWTO - Using exim and Mailman together

+ +

Mailman is a list manager with web front end and built in + archiving functions. Details can be found at http://www.list.org/

+ +

Mailman configuration

+ +

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.

+ +

Exim configuration

+ +

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.

+ +

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

+ +

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 local_domains - should this domain be separate + from the others handled by this exim, then add the list domain to + local_domains, add a domains=my.list.domain + option to each of the directors and you may wish to exclude that + domain from the other directors.

+ +

Your exim configuration also needs a working alias + configuration, with entries (within the list domain) for + mailman, mailman-request and + mailman-admin (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 not 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).

+ +

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

+ +

Main config file section

+
+## 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
+
+

Transports config file section

+
+## 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
+
+

Directors config file section

+
+## 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//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
+
+ +

Exim should be configured to allow reasonable volume - ie no +setting max_recipients down to a silly value, and with normal +degrees of security - ie allowing relaying from 127.0.0.1 +(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.

+ +

Problems

+ + +

Other Tweaks

+ +

One solution passed to me for handling virtual domains was - + Since I use Mailman in a virtual domain configuration with a + separate installation for each virtual domain, I did a slight + modification like this:

+ +
+## 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
+
+
+ +

Exim List Efficiency Tweaks

+ +

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!

+
+# 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
+
+ +

List verification

+ +

This is how a set of address tests for the exim lists look on a +working system. (command lines start with ">")

+
+> /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
+
+    
+
Nigel Metheringham
+ +

$Id: mailman.html,v 1.3 2002/06/14 10:42:18 nigel Exp $

+ +