Hello,

since roundabout 10 days my email account got spammed by "failure notice" emails.
my email address (here xxx@xxx.xxx) is used as "envelope-from" or "return-path".

funny thing is: I think every mail has this line:

X-Original-Helo: dc001.nefteteh.ru (iRedMail: http://www.iredmail.org/)
(with changing servers)

so, this spam is specialized to ired mail servers?

is there any way to stop that?

best,
achim

=== EXAMPLE MAIL ===

Return-Path: <MAILER-DAEMON>
Delivered-To: xxx@xxx.com
Received: from localhost (mailserver.xxx.xxx [127.0.0.1])
    by mailserver.xxx.xxx (iRedMail) with ESMTP id DEE635CD3E
    for <xxx@xxx.com>; Wed,  1 Dec 2010 10:51:35 +0100 (CET)
X-Virus-Scanned: by amavisd at mailserver.xxx.xxx
Received: from mailserver.xxx.xxx ([127.0.0.1])
    by localhost (mailserver.xxx.xxx [127.0.0.1]) (amavisd-new, port 10024)
    with ESMTP id Q6Ra4QjtNmfV for <xxx@xxx.com>;
    Wed,  1 Dec 2010 10:51:35 +0100 (CET)
X-Original-Helo: dc001.nefteteh.ru (iRedMail: http://www.iredmail.org/)
Received: from dc001.nefteteh.ru (unknown [213.33.213.227])
    by mailserver.xxx.xxx (iRedMail) with ESMTP id 37D3E5CD39
    for <xxx@xxx.com>; Wed,  1 Dec 2010 10:51:35 +0100 (CET)
From: postmaster@nefteteh.ru
To: xxx@xxx.com
Date: Wed, 1 Dec 2010 12:47:32 +0300
MIME-Version: 1.0
Content-Type: multipart/report; report-type=delivery-status;
    boundary="9B095B5ADSN=_01CB7F2982FBE8C8004FA43Cdc001.nefteteh.r"
X-DSNContext: 335a7efd - 4523 - 00000001 - 80040546
Message-ID: <pGKy3hrbn0014aa43@dc001.nefteteh.ru>
Subject: Delivery Status Notification (Failure)

This is a MIME-formatted message. 
Portions of this message may be unreadable without a MIME-capable mail program.

--9B095B5ADSN=_01CB7F2982FBE8C8004FA43Cdc001.nefteteh.r
Content-Type: text/plain; charset=unicode-1-1-utf-7

This is an automatically generated Delivery Status Notification.

Delivery to the following recipients failed.

       sili84@nefteteh.ru
       sk@nefteteh.ru
       slavaostrov@nefteteh.ru
       slowcrum@nefteteh.ru
       sm@nefteteh.ru
       smcru@nefteteh.ru
       smirnov@nefteteh.ru
       smirnova@nefteteh.ru
       snab@nefteteh.ru
       snejana95@nefteteh.ru

--9B095B5ADSN=_01CB7F2982FBE8C8004FA43Cdc001.nefteteh.r
Content-Type: message/delivery-status

Reporting-MTA: dns;dc001.nefteteh.ru
Received-From-MTA: dns;bd213b5e.virtua.com.br
Arrival-Date: Wed, 1 Dec 2010 12:47:31 +0300

Final-Recipient: rfc822;sili84@nefteteh.ru
Action: failed
Status: 5.1.1

Final-Recipient: rfc822;sk@nefteteh.ru
Action: failed
Status: 5.1.1

Final-Recipient: rfc822;slavaostrov@nefteteh.ru
Action: failed
Status: 5.1.1

Final-Recipient: rfc822;slowcrum@nefteteh.ru
Action: failed
Status: 5.1.1

Final-Recipient: rfc822;sm@nefteteh.ru
Action: failed
Status: 5.1.1

Final-Recipient: rfc822;smcru@nefteteh.ru
Action: failed
Status: 5.1.1

Final-Recipient: rfc822;smirnov@nefteteh.ru
Action: failed
Status: 5.1.1

Final-Recipient: rfc822;smirnova@nefteteh.ru
Action: failed
Status: 5.1.1

Final-Recipient: rfc822;snab@nefteteh.ru
Action: failed
Status: 5.1.1

Final-Recipient: rfc822;snejana95@nefteteh.ru
Action: failed
Status: 5.1.1

--9B095B5ADSN=_01CB7F2982FBE8C8004FA43Cdc001.nefteteh.r
Content-Type: message/rfc822

Received: from bd213b5e.virtua.com.br ([189.33.59.94]) by dc001.nefteteh.ru with Microsoft SMTPSVC(6.0.3790.1830);
     Wed, 1 Dec 2010 12:47:31 +0300
Received: from [189.33.59.94] by mailserver.xxx.xxx; Wed, 1 Dec 2010 06:32:09 -0300
Message-ID: <01cb9121$7ac6fa80$5e3b21bd@aki>
From: =?koi8-r?B?Iu7BxMXWxMEi?= <xxx@xxx.com>
To: <sili84@nefteteh.ru>
Subject: =?koi8-r?B?9dLPy8kgzMDC18kgICAg?=
Date: Wed, 1 Dec 2010 06:32:09 -0300
MIME-Version: 1.0
Content-Type: text/plain;
    format=flowed;
    charset="koi8-r";
    reply-type=original
Content-Transfer-Encoding: 8bit
X-Priority: 3
X-MSMail-Priority: Normal
X-Mailer: Microsoft Outlook Express 6.00.2900.2180
X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180
Return-Path: xxx@xxx.com
X-OriginalArrivalTime: 01 Dec 2010 09:47:32.0421 (UTC) FILETIME=[C67B0F50:01CB913C]

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