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<h3><a name="SECTION0016211000000000000000">
6.2.11 Doing VERP with Exim and Mailman</a>
</h3>
<p>
VERP will send one email, with a separate envelope sender (return path), for
each of your subscribers - read the information in
<span class="file"><var>$prefix</var>/Mailman/Defaults.py</span> for the options that start with VERP.
In a nutshell, all you need to do to enable VERP with Exim is to add these lines to <span class="file"><var>$prefix</var>/Mailman/mm_cfg.py</span>:
<p>
<div class="verbatim"><pre>
VERP_PASSWORD_REMINDERS = Yes
VERP_PERSONALIZED_DELIVERIES = Yes
VERP_DELIVERY_INTERVAL = Yes
VERP_CONFIRMATIONS = Yes
</pre></div>
<p>
(The director (router) above is smart enough to deal with VERP bounces.)
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<span class="release-info">Release 2.1, documentation updated on December 5, 2007.</span>
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