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Article ID: 184718 - Last Review: October 28, 2006 - Revision: 3.4

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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:
191014  (http://support.microsoft.com/kb/191014/EN-US/ ) 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/ (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.


APPLIES TO
  • Microsoft Exchange Server 5.0 Standard Edition
  • Microsoft Exchange Server 5.5 Standard Edition
Keywords: 
kbhotfixserver kbqfe kbbug kbfix kbqfe kbusage KB184718
Retired KB ArticleRetired KB Content Disclaimer
This article was written about products for which Microsoft no longer offers support. Therefore, this article is offered "as is" and will no longer be updated.
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