> Is there a way or a quick patch to put the address with which a user is
> subscribed to a list in the trailer that is added to each message?
They could look into the header lines to whom the mail was sent:
Received: from [63.102.49.29] (helo=mail.python.org)
by mxng00.kundenserver.de with esmtp (Exim 3.22 #2)
id 157iHu-0007Uc-00
for [EMAIL PROTECTED]; Wed, 06 Jun 2001 20:44:14 +0200
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Mailman-Users maillist - [EMAIL PROTECTED]
http://mail.python.org/mailman/listinfo/mailman-users