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<title>GNU Mailman</title>
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<h1 align="center"><font color="#ffffff">GNU Mailman/Postfix the Easy
Way</font></h1>
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<h1 align="center"><EFBFBD></h1>
<h4>The following was posted on the Postfix mailing list on 5/4/2002 by Michael
Tokarev as a suggested addition to the Postfix FAQ.</h4>
<p>Q: Mailman does not work with Postfix, complaining about GID mismatch<br>
<br>
A: Mailman uses a setgid wrapper that is designed to be used in system-wide
aliases file so that rest of mailman's mail handling processes will run
with proper uid/gid. Postfix has an ability to run a command specified in
an alias as owner of that alias, thus mailman's wrapper is not needed here.
The best method to invoke mailman's mail handling via aliases is to use
separate alias file especially for mailman, and made it owned by mailman
and group mailman. Like:<br>
<br>
alias_maps = hash:/etc/postfix/aliases, hash:/var/mailman/aliases<br>
<br>
Make sure that /var/mailman/aliases.db is owned by mailman user (this
may be done by executing postalias as mailman userid).<br>
<br>
Next, instead of using mailman-suggested aliases entries with wrapper,
use the following:<br>
<br>
instead of<br>
mailinglist: /var/mailman/mail/wrapper post mailinglist<br>
mailinglist-admin: /var/mailman/mail/wrapper mailowner mailinglist<br>
mailinglist-request: /var/mailman/mail/wrapper mailcmd mailinglist<br>
...<br>
<br>
use<br>
mailinglist: /var/mailman/scripts/post mailinglist<br>
mailinglist-admin: /var/mailman/scripts/mailowner mailinglist<br>
mailinglist-request: /var/mailman/scripts/mailcmd mailinglist<br>
...</p>
<h4>The above tip works with Mailman 2.0; Mailman 2.1 has adopted something
very similar so that no workaround is necessary. See the README.POSTFIX file
included with Mailman-2.1.<2E></h4>
<p align="left"><font size="2">Last updated 12/29/2002 - <a
href="support.htm">Tom Eastep</a></font></p>
<p align="left"><font face="Trebuchet MS"><a href="copyright.htm"> <font
size="2">Copyright</font> <20> <font size="2">2001, 2002 Thomas M. Eastep.</font></a></font></p>
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