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Q184718: XADM: Text Attachments Modified for Internet Mail

Article: Q184718
Product(s): Microsoft Exchange
Version(s): WINDOWS:5.0,5.5
Operating System(s): 
Keyword(s): kbusage exc55sp2fix
Last Modified: 10-APR-1999

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The information in this article applies to:

- Microsoft Exchange Server, versions 5.0, 5.5 
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SYMPTOMS
========

A small text file attachment (140 characters or fewer) containing line-feed
<LF> characters, but no carriage-return line-feed combinations
<CR><LF>, will be modified during outbound delivery of the Internet
Mail Service. The modification will be the extra insertion of a
<CR><LF> just after the original <LF> character, resulting in
a <LF><CR><LF> combination at the end of each line. This may
cause problems for the receiving system.

CAUSE
=====

A logic error treats the text file attachment as a text/plain body part with
7-bit encoding. Larger attachments (those greater than 140 characters), are
being encoded as Quoted-Printable, which correctly preserves the <LF>
character sequences.

RESOLUTION
==========

To resolve this problem, obtain the latest service pack for Exchange Server
version 5.5. For more information, please see the following article in the
Microsoft Knowledge Base:

  Q191014 XGEN: How to Obtain the Latest Exchange Server 5.5 Service Pack


STATUS
======

Exchange Server 5.0
-------------------

Microsoft has confirmed this to be a problem in Microsoft Exchange Server version
5.0.


A supported fix is now available, but has not been fully regression-tested and
should be applied only to systems experiencing this specific problem. Unless you
are severely impacted by this specific problem, Microsoft recommends that you
wait for the next service pack that contains this fix. Contact Microsoft
Technical Support for more information.

This fix has been posted to the following Internet location:

  ftp://ftp.microsoft.com/bussys/exchange/exchange-public/fixes/Eng/Exchg5.0/Post-SP2-STORE/




Exchange Server 5.5
-------------------

Microsoft has confirmed this to be a problem in Microsoft Exchange Server version
5.5. This problem was first corrected in Exchange Server 5.5 Service Pack 2.




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Keywords          : kbusage exc55sp2fix 
Technology        : kbExchangeSearch kbExchange500 kbExchange550 kbZNotKeyword2
Version           : WINDOWS:5.0,5.5
Issue type        : kbbug
Solution Type     : kbfix

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