Question

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Blank 'From' in user to user EMail within Exchange 2003 domain

By aschwabuff ·
We are running Windows Server 2003 SBS (SP1) , using the included Exchange (v6.5 build 7638.2 SP2). Client is Outlook 2007. User mail accounts reside on an external server hosting the business's domain with e-mail are accessed via POP3.

Mail between internal users on the network (who have accounts in Exchange) arrive with 'From' blank, also with wrong timestamp.

In checking message headers I've noticed that the headers on the internal delivery messages have less delivery information at the top and have the time zone (-6) running into the "From: <name>" section:

Internal mail header:
Received: ... 04 Dec 2009 08:12:04 -06From: "Jane ...

External mail header:
Received: ... 04 Dec 2009 08:12:04 -06
From: "Jane ...

Full Examples are below:

Internal (does NOT show From name on message):

Received: from PC03 (static-63-131-28-47.buf.onecommunications.net [63.131.28.47])
by mail.somehosthost.com (somehost Mail Server v1.1) with ASMTP id LAQ64805
for <john.smith@somedomain.com>; Fri, 04 Dec 2009 08:12:05 -06From: "Jane Doe" <jane.doe@somedomain.com>
To: "John Smith" <john.smith@somedomain.com>
Subject: good morning
Date: Fri, 4 Dec 2009 09:12:00 -0500
Message-I <001301ca74eb$bf575a30$3e060e90$@davidson@somedomain.com>
MIME-Version: 1.0
Content-Type: multipart/alternative;
boundary="----=_NextPart_000_0014_01CA74C1.D6815230"
X-Mailer: Microsoft Office Outlook 12.0
Thread-Index: Acp06708ByGej+IcReuzs5N6eMMTSA==
Content-Language: en-us

External (shows From name on message):

Return-Path: <jane.doe@somedomain.com>
Delivery-Date: Mon, 07 Dec 2009 14:16:33 -0500
Received-SPF: pass (mxus1: domain of somedomain.com designates 98.129.208.250 as permitted sender) client-ip=98.129.208.250; envelope-from=jane.doe@somedomain.com; helo=mail.somedomain.com;
Received: from mail.somedomain.com (mail.somehosthost.com [98.129.208.250])
by mx.perfora.net (node=mxus1) with ESMTP (Nemesis)
id 0LmIjS-1Nrc3P0KDC-00ZMsM for alans@consultalans.com; Mon, 07 Dec 2009 14:16:33 -0500
Received: from PC03 (static-63-131-28-47.buf.onecommunications.net [63.131.28.47])
by mail.somehosthost.com (somehost Mail Server v1.1) with ASMTP id OFX51532;
Mon, 07 Dec 2009 13:16:32 -0600
From: "Jane Doe" <jane.doe@somedomain.com>
To: "'Alan L. Schwartz'" <alans@consultalans.com>,
"John Smith" <john.smith@somedomain.com>
Subject: disability income liability release
Date: Mon, 7 Dec 2009 14:16:26 -0500
Message-I <002001ca7771$c5d375a0$517a60e0$@davidson@somedomain.com>
MIME-Version: 1.0
Content-Type: multipart/mixed;
boundary="----=_NextPart_000_0021_01CA7747.DCFD6DA0"
X-Mailer: Microsoft Office Outlook 12.0
Thread-Index: Acp3ccHli4KwcvBORh6Czl9p3nOngA==
Content-Language: en-us

The blank 'From' is causing the spam filter to put all internal e-mail into Span folder.

From the difference in headers, I assume something, either in Exchange server or Outlook client, is reading the headers differently, removing the line break between the time zone and "From: ", and so Outlook drops what looks like invalid info: "-06From: ..."

Any ideas for a solution?

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