Mailing List Message #94820
From: Urs Gruetzner <>
Subject: hundreds of non-delivery messages
Date: Mon, 21 Apr 2008 12:07:22 +0200
To: CommuniGate Pro Discussions <>
X-Mailer: CTM PowerMail version 5.6.2 build 4501 German (PPC) <>
One of our accounts ( gets in the last days hundreds of
mails whih claim to be answers to undeliverable mails

like the example below.

I guess these non-delivery messages are faked an the attachments may
contain viruses. Has anyone the same experience? How to stop?


[SPAM] Undelivered Mail Returned to Sender.

This is the mail system at host

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

<>: host[] said: 550 5.1.1
   <>: Recipient address rejected: User unknown in
   local recipient table (in reply to RCPT TO command)

Received: from (unknown [])
by (Postfix) with ESMTP id 93C9142760A
for <>; Fri, 18 Apr 2008 13:04:30 +0400 (MSD)
Message-ID: <000701c8a133$03023581$030bb9bf@sbgkyd>
From: "jabez keshav" <>
To: <>
Subject: =?koi8-r?B?4dLFzsTBLiDwz8vV0MvBL/DSz8TB1sE=?=
Date: Fri, 18 Apr 2008 07:17:08 +0000
MIME-Version: 1.0
Content-Type: multipart/alternative;
X-Priority: 3
X-MSMail-Priority: Normal
X-Mailer: Microsoft Outlook Express 6.00.2900.3138
X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3198

This is a multi-part message in MIME format.

Content-Type: text/plain;
Content-Transfer-Encoding: quoted-printable

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