Spam with our domain

[Paul Douglas Franklin of Yakima UGM]

Here is the relay path:
Return-Path: <webmaster at promote-biz.net>
Received: from localhost (localhost [127.0.0.1])
     by exchange.yugm.org (Cyrus v2.2.12) with LMTPA;
     Tue, 05 Feb 2008 02:40:09 -0800
X-Sieve: CMU Sieve 2.2
Received: from localhost (localhost [127.0.0.1])
    by exchange.yugm.org (Postfix) with ESMTP id 733B94579B9
    for <storage at yugm.org>; Tue,  5 Feb 2008 02:40:09 -0800 (PST)
X-Envelope-From: <webmaster at promote-biz.net>
X-Envelope-To: <roys at yugm.org>
X-Quarantine-Id: <TrJnzLpOOcYM>
Received: from localhost (localhost [127.0.0.1])
    by exchange.yugm.org (Postfix) with ESMTP id 0ADCB4579BD
    for <roys at yugm.org>; Tue,  5 Feb 2008 02:40:09 -0800 (PST)
Received: from promote-biz.net (unknown [58.244.217.40])
    by exchange.yugm.org (Postfix) with ESMTP id 255514579BA
    for <lcv at yugm.org>; Tue,  5 Feb 2008 02:40:07 -0800 (PST)
Reply-To: webmaster at promote-biz.net
From: Income at yugm.org, Machine at yugm.org

Wow!  you were very busy today, Gunnar.  Thanks for all your answers to 
questions.
--Paul

Gunnar Wrobel wrote:
> Paul Douglas Franklin of Yakima UGM <pdf at yugm.org> writes:
>
>   
>> We have been receiving spam from randomusernames at yugm.org.  These are 
>> names which do not match any real users.  This spam did not originate on 
>> our server; it has been relayed at least once.  Can anyone point me to 
>> some method of screening it out?
>>     
>
> Hm, actually the Kolab postfix configuration should not accept emails
> from the outside with a faked username that doesn't exist in the
> database. Can you be more specific on the relay path?
>
> Cheers,
>
> Gunnar
>   

-- 
Paul Douglas Franklin
Computer Manager, Union Gospel Mission of Yakima, Washington
Husband of Danette
Father of Laurene, Miriam, Tycko, Timothy, Sarabeth, Marie, Dawnita, Anna Leah, Alexander, and Caleb