Microsoft KB Archive/184718

= XADM: Text Attachments Modified for Internet Mail =

Article ID: 184718

Article Last Modified on 10/28/2006

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APPLIES TO


 * Microsoft Exchange Server 5.0 Standard Edition
 * Microsoft Exchange Server 5.5 Standard Edition

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This article was previously published under Q184718





SYMPTOMS
A small text file attachment (140 characters or fewer) containing line-feed  characters, but no carriage-return line-feed combinations , will be modified during outbound delivery of the Internet Mail Service. The modification will be the extra insertion of a  just after the original  character, resulting in a  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  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 XGEN: How to Obtain the Latest Exchange Server 5.5 Service Pack



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.

Keywords: kbhotfixserver kbqfe kbbug kbfix kbqfe kbusage KB184718

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