winmail.dat attahments with V3.22

[Julian Field]

At 14:41 16/12/2002, you wrote:
>When running MailScanner V3.22 with Exim 4.05 on Solaris 8 we seem to be
>having trouble receiving attachments and/or formatted text from MX
>Exchange servers at attached NHS Trust.
>
>The problem manifests itself in a couple of ways.
>
>1. Emails with no attachment, sent in plain text or formatted are
>delivered with a winmail.dat file as an attachment

Your Exchange Server is sending mail in "Microsoft Outlook Rich Text
Format", which is totally incompatible with just about every non-Microsoft
email application in the world. Change the setting on your Exchange server
to use HTML instead and you will have rather more luck.

>2. reply's and forwards likewise.
>3. Sometimes attachments sent directly (i.e not a reply or forward) come
>through perfectly fine.
>
>Now, I thought this may have something to do with the MS-TNEF encoding, so
>I've tried both the C version of TNEF and the perl module but both have
>the same result.
>
>Headers from a problematic mail:
>
>
>MIME-version: 1.0
>X-MIMEOLE: Produced By Microsoft Exchange V6.0.5762.3
>Content-type: multipart/mixed;
>boundary="----_=_NextPart_001_01C2A507.2DC7552C"
>Content-class: urn:content-classes:message
>Thread-topic: Email Attachments
>Thread-index: AcKk4/exkWbdx+vpT0mzO8sb20GPywACRAXAAAZ2VFA=
>X-MS-Has-Attach:
>X-MS-TNEF-Correlator:
><5018A3F630D0AC4E82951D021084BF0BAD44 at stg1xch08.net.stgeorges.nhs.uk>
>X-Spam-Status: No, hits=1.6 required=5.7
>tests=SPAM_PHRASE_05_08,SUPERLONG_LINE version=2.43
>X-Spam-Level: *
>X-MailScanner-MXB: Found to be clean
>X-OriginalArrivalTime: 16 Dec 2002 13:29:37.0837 (UTC)
>FILETIME=[2E34EDD0:01C2A507]
>
>Headers from one which came through cleanly:
>
>X-MIMEOLE: Produced By Microsoft Exchange V6.0.5762.3
>Content-type: multipart/mixed;
>boundary="----_=_NextPart_001_01C29F86.F5037516"
>Content-class: urn:content-classes:message
>Thread-topic: mail with attachment 4
>Thread-index: AcKfhvvqteSPi8iPRDugSti99BYfpA==
>X-MS-Has-Attach: yes
>X-MS-TNEF-Correlator:
>X-Spam-Status: No, hits=1.1 required=5.7
>tests=HTML_50_70,SPAM_PHRASE_00_01 version=2.43
>X-Spam-Level: *
>X-MailScanner-MH1: Found to be clean
>X-OriginalArrivalTime: 09 Dec 2002 13:29:11.0207 (UTC)
>FILETIME=[F5714370:01C29F86]
>
>Now, the only thing I can see in the headers (apart from the
>X-MailScanner-MHS1, MXB header - they are identically configured mailhubs)
>is the X-MS-Has-Attach and X-MS-TNEF-Correlator headers!
>
>Have I missed something, or miss configured? Any light shed on this would
>be very helpful.
>
>PS. I am planning to upgrade to V4 (once the missing character issue is
>resolved! :)
>
>TIA
>
>Dan
>____________________________________
>
>Daniel Bird
>Network and Systems Manager
>Department Of Information Services
>St. George's Hospital Medical School
>Tooting
>London SW17 0RE
>
>P: +44 20 8725 2897
>F: +44 20 8725 3583
>E: dan at sghms.ac.uk
>____________________________________
>
>Everything is possible....except skiing through a revolving door.
>
>
>
>--
>This message has been scanned for viruses and
>dangerous content by MailScanner, and is
>believed to be clean.

--
Julian Field
www.MailScanner.info
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