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Q166531: XCLN: Mac Attachments Are Unrecognizable After Crossing IMC

Article: Q166531
Product(s): Microsoft Exchange
Version(s): 5.0
Operating System(s): 
Keyword(s): kbusage
Last Modified: 01-MAY-1999

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The information in this article applies to:

- Microsoft Exchange Macintosh client, version 5.0 
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SYMPTOMS
========

A Macintosh attachment in a message comes across as an unrecognizable document
after crossing the Internet Mail Connector (IMC). The message is sent from a
computer running Microsoft Exchange Macintosh client 4.0 Service Pack 3 (SP3) to
a computer running Microsoft Exchange Macintosh client 5.0. Both IMCs are
configured to send attachments in Binhex, always sending rich text.

CAUSE
=====

Macintosh attachments sent from Microsoft Exchange Server 4.0 SP3 to Microsoft
Exchange Server 5.0 in Binhex+TNEF are not received properly (wrong icon,
unrecognizable file type, and so on). This is because of the incompatible
Macintosh file handlings for UUENCODE/TNEF between 4.0 SP1 and 5.0.

STATUS
======

Microsoft has confirmed this to be a problem in Microsoft Exchange Server
version 5.0. This problem was corrected in the latest Microsoft Exchange Server
5.0 U.S. Service Pack. For information on obtaining the service pack, query on
the following word in the Microsoft Knowledge Base (without the spaces):

  S E R V P A C K


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Keywords          : kbusage 
Technology        : kbHWMAC kbOSMAC kbExchangeSearch kbExchangeClientSearch kbExchange500Mac
Version           : 5.0
Issue type        : kbbug
Solution Type     : kbfix

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