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Old 10th November 2007, 00:45
chuckl chuckl is offline
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I don't use Thunderbird, so I'm afraid I can't help you there. I have no idea what it does or doesn't do.
Normally, you connect to a mail server with a mail client, the server accepts the mail from the client, and then sends it on to the destination mail server, with itself as the originating server. So if my domain is mydomain.com, and my email address is someone@mydomain.com, the headers would show that my mail server has mail from someone@mydomain.com which it is delivering to someoneelse@someotherdomain.com.

This is normal mail server operation. Your server however, is reporting the connection from you to itself, almost as a server-server mail transport connection, which is I think why the receiving mail servers at Gmail yahoo etc regard it as mail relaying and spam. PArticularly when it is shown as a home DSL type source, almost all of which are automatically blacklisted.

I don't know if this is normal for Thunderbird, or whether it is a Postfix setting, but I've never seen it on my Postfix servers. Altering or deleting mail header components is also not a good idea. Very likely a standards violation, and even MORE likely to get it labelled as spam.
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Old 27th January 2008, 03:41
mrtornado79 mrtornado79 is offline
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I have the exact same problem here are the headers and everything seems ok.

headers from Iloha Webmail.

X-Apparently-To: altealea@yahoo.com via; Sat, 26 Jan 2008 17:38:14 -0800
X-Originating-IP: []
Return-Path: <toro@usarmydt.com>
Authentication-Results: mta174.mail.re3.yahoo.com from=; domainkeys=neutral (no sig)
Received: from (EHLO www.usarmydt.com) ( by mta174.mail.re3.yahoo.com with SMTP; Sat, 26 Jan 2008 17:38:14 -0800
Received: by www.usarmydt.com (Postfix, from userid 33) id BC1B030C252; Sun, 27 Jan 2008 02:38:13 +0100 (CET)
To: altealea@yahoo.com
Subject: bulk or not ?
Received: from (auth. user toro@usarmydt.com) by www.usarmydt.com with HTTP; Sun, 27 Jan 2008 01:38:13 +0000
X-IlohaMail-Blah: toro@usarmydt.com
X-IlohaMail-Method: mail() [mem]
X-IlohaMail-Dummy: moo
X-Mailer: IlohaMail/0.8.14 (On: www.usarmydt.com)
Message-ID: <FfxLQcZo.1201397893.7227030.toro@usarmydt.com>
From: toro@usarmydt.com Add Mobile Alert
Bounce-To: <toro@usarmydt.com>
Errors-To: <toro@usarmydt.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable
Date: Sun, 27 Jan 2008 02:38:13 +0100 (CET)
Content-Length: 2

Headers from Thunderbird.

X-Apparently-To: altealea@yahoo.com via; Sat, 26 Jan 2008 17:35:38 -0800
X-Originating-IP: []
Return-Path: <toro@usarmydt.com>
Authentication-Results: mta163.mail.re2.yahoo.com from=usarmydt.com; domainkeys=neutral (no sig)
Received: from (EHLO www.usarmydt.com) ( by mta163.mail.re2.yahoo.com with SMTP; Sat, 26 Jan 2008 17:35:38 -0800
Received: from [] (AC853D93.ipt.aol.com []) by www.usarmydt.com (Postfix) with ESMTP id 4CABB30C251 for <altealea@yahoo.com>; Sun, 27 Jan 2008 02:35:36 +0100 (CET)
Message-ID: <479BDFE4.4010209@usarmydt.com>
Date: Sat, 26 Jan 2008 17:35:32 -0800
From: "toro" <toro@usarmydt.com> Add Mobile Alert
User-Agent: Thunderbird (Windows/20071031)
MIME-Version: 1.0
To: "Gigi Kent" <altealea@yahoo.com>
Subject: whatever
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
Content-Length: 10

If anyone can help that would be nice

Last edited by mrtornado79; 27th January 2008 at 03:44.
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Old 27th January 2008, 11:05
iyeat iyeat is offline
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Interestingly enough, I have the same issue at Yahoo... Here are the headers of a mail that I forwarded from my account on my Fedora 8 setup that was marked as spam by Yahoo... I don't have domain keys nor spf though...

From caio@basicprototype.com Sun Jan 27 01:02:54 2008
Return-Path: <caio@basicprototype.com>
Authentication-Results: mta560.mail.mud.yahoo.com  from=basicprototype.com; domainkeys=neutral (no sig)
Received: from  (EHLO echo.basicprototype.com) (
  by mta560.mail.mud.yahoo.com with SMTP; Sun, 27 Jan 2008 01:02:57 -0800
Received: from localhost (unknown [])
	by echo.basicprototype.com (Postfix) with ESMTP id 587784070209
	for <caiojames@yahoo.com>; Sun, 27 Jan 2008 09:02:57 +0000 (UTC)
Received: from echo.basicprototype.com ([])
	by localhost (echo.basicprototype.com []) (amavisd-new, port 10024)
	with ESMTP id iRDbJ0GIAmMk for <caiojames@yahoo.com>;
	Sun, 27 Jan 2008 01:02:54 -0800 (PST)
Received: from mail.basicprototype.com (echo.basicprototype.com [])
	by echo.basicprototype.com (Postfix) with ESMTP id D3A064070132
	for <caiojames@yahoo.com>; Sun, 27 Jan 2008 01:02:54 -0800 (PST)
MIME-Version: 1.0
Date: Sun, 27 Jan 2008 01:02:54 -0800
From: <caio@basicprototype.com>
To: caiojames@yahoo.com
Subject: Fwd: Re: is =?UTF-8?Q?DOS=5FOUTLOOK=5FTO=5FMX=20too=20low=3F?=
Message-ID: <086da7590311b957e0b518b20036d59c@localhost>
User-Agent: Basic Prototype&reg; Webmail/0.1-rc2
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: 8bit
Content-Length: 2884
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