Hi list,
a customer of us wanted to send
another customer/partner of him the follwoing
eMail (all details a transferred into an anonymous form):
[this is the bounce he got back from our eMail-server in return]
-------------------------------------------------------------------
Could not deliver message to the following recipient(s):
Failed Recipient: [EMAIL PROTECTED]
Reason: Remote host said: 550 Envelope sender does not validate in callback
-------------------------------------------------------------------
The full eMail-header was close to this:
Received: from p549A6DD9.dip.t-dialin.net [84.154.109.217] by
irgendwas.sdsolutions.de with SMTP;
Fri, 22 Aug 2008 15:22:32 +0200
Reply-To: <[EMAIL PROTECTED]>
From: "Walter Meier" <[EMAIL PROTECTED]>
To: "'Mueller, Fritz'" <[EMAIL PROTECTED]>
Subject: AW: Kontaktdaten
Date: Fri, 22 Aug 2008 15:21:32 +0200
Organization: abc
MIME-Version: 1.0
Content-Type: multipart/alternative;
boundary="----=_NextPart_000_0141_01C9046A.C25C6790"
X-Mailer: Microsoft Office Outlook, Build 11.0.5510
X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165
In-Reply-To:
<[EMAIL PROTECTED]>
Thread-Index: AckEURvHCjZkdhXDSUm7Vj6YixTp9gAAtufQ
X-Declude-Sender: [EMAIL PROTECTED] [84.154.109.217]
X-Declude-Spoolname: 809256205608.eml
X-Declude-RefID:
X-Declude-Note: Scanned by Declude 4.4.0 "http://www.declude.com/x-note.htm";
X-Declude-Scan: Outgoing Score [0] at 15:22:37 on 22 Aug 2008
X-Declude-Tests: Whitelisted
X-Country-Chain:
X-Declude-Code: 0
X-Declude-Recipcount: 1
Organization: Declude, Inc.
X-Helo: Main
X-RevDNS:
This is a multi-part message in MIME format.
------=_NextPart_000_0141_01C9046A.C25C6790
Content-Type: text/plain;
charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable
Sehr geehrter Herr xy,
=20
das Kuvert geht noch heute per Post an Sie heraus.
=20
Auch ein sch=F6nes Wochenende und beste Gr=FC=DFe, xy
*************************************************************************=
***
************
My questions:
a) has anyone seen this before ?
[Remote host said: 550 Envelope sender does not validate in callback]
b) I am not quite sure what this means:
In-Reply-To:
<[EMAIL PROTECTED]>
Is this a SPAM/verification-service, my customers partner uses ? Ideas ?
c) Any chance to avoid these kind of messages to validate with the
right SPF-records ? (We do host a couple of different domains on a
shared host SmarterMail-eMail-Server. (Version 4.3.x)
Uwe
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