Extended characters are replaced by question marks when you send an e-mail message that contains extended ASCII characters by using an IMAP4 client in Exchange 2007

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Article ID: 960703 - View products that this article applies to.
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SYMPTOMS

Consider the following scenario. In Microsoft Exchange Server 2007, you send a message by using an IMAP4 client. The message contains extended ASCII characters, such as ê, ä, and so on. In this scenario, when another user receives the message, the extended ASCII characters are replaced with question marks.

CAUSE

When an Exchange 2007 server receives an APPEND command from the IMAP4 client for the message body in separate packets, an incorrect conversion occurs. This causes the extended ASCII characters to be replaced with question marks.

RESOLUTION

To resolve this problem, install Update Rollup 8 for Exchange 2007 Service Pack 1.

For more information about Update Rollup 8 for Exchange Server 2007 Service Pack 1, see the following Exchange Help topic:
Description of Update Rollup 8 for Exchange Server 2007 Service Pack 1
For more information about how to obtain the latest Exchange service pack or update rollup, see the following Exchange Help topic:
How to Obtain the Latest Service Pack or Update Rollup for Exchange 2007

MORE INFORMATION


For more information about IMAP4 and the APPEND command, visit the following RFC Web site:
http://www.faqs.org/rfcs/rfc2060.html

For more information about Extended ASCII character, visit the following Microsoft Web site:
http://msdn.microsoft.com/en-us/library/4z4t9ed1.aspx

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

Properties

Article ID: 960703 - Last Review: May 19, 2009 - Revision: 1.1
APPLIES TO
  • Microsoft Exchange Server 2007 Service Pack 1, when used with:
    • Microsoft Exchange Server 2007 Standard Edition
    • Microsoft Exchange Server 2007 Enterprise Edition
Keywords: 
kbqfe kbsurveynew kbhotfixrollup kbexpertiseadvanced KB960703

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