Microsoft KB Archive/157000

= XFOR: Korean UUENCODED Attachments Corrupted =

Article ID: 157000

Article Last Modified on 10/28/2006

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APPLIES TO


 * Microsoft Exchange Server 4.0 Standard Edition

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This article was previously published under Q157000



SYMPTOMS
Outgoing messages with UUENCODED attachments from the Microsoft Exchange Internet Mail Connector (IMC) in the Korean language might have corrupt attachments, and the receiving SMTP host might not be able to uudecode the attachments correctly. This can occur if a message is sent with an attachment with a Korean file name, or a message with a Korean body followed by an attachment with a Korean file name.



CAUSE
In the first case, the X-MS-Attachment header line has the Korean Escape sequence, which adds a carriage-return line-feed (CRLF) sequence that corrupts the header. It will look like this:

  X-MS-Attachment: $)C   E8@O.bmp 0 00-00-1980 00:00

In addition, the Begin line of the UUENCODEd data is incorrect. It will look like this:

  begin 600 $)C   E8@O.bmp   M0DU"`@```````$(````H````( ```" ````!``0````````"```3"P``$PL`

In the second message example, a Korean body with an attachment that has a Korean file name, you will see the same issues as with the first message, and also an Escape sequence in the message body. It will look like this:

                       $)C   0!3*4Y

begin 600 $)C  E8@O.bmp   M0DU"`@```````$(````H````( ```" ````!``0````````"```3"P``$PL`



STATUS
Microsoft has confirmed this to be a problem in Microsoft Exchange Server version 4.0. This problem was corrected in the latest Microsoft Exchange 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

Keywords: kbusage KB157000

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