Undelivered Mail Returned to Sender

[Mail Delivery System]

This is the mail system at host mail.minisip.org.

I'm sorry to have to inform you that your message could not
be delivered to one or more recipients. It's attached below.

For further assistance, please send mail to postmaster.

If you do so, please include this problem report. You can
delete your own text from the attached returned message.

                   The mail system

<"minisip-users-bounces:|/var/lib/mailman/mail/mailman bounces
    minisip-users"@minisip.org> (expanded from
    <minisip-users-admin at minisip.org>): unknown user:
    "minisip-users-bounces:|/var/lib/mailman/mail/mailman bounces
    minisip-users"
-------------- next part --------------
An embedded message was scrubbed...
From: Canadian Doctor Rocky Otero <minisip-users-admin at minisip.org>
Subject: November 71% OFF
Date: Tue, 20 Nov 2007 20:52:29 +0100 (CET)
Size: 889
Url: http://lists.minisip.org/pipermail/minisip-devel/attachments/20071120/99baa40c/attachment.eml