An e-mail message is in disorder and is unreadable in an Exchange Server 2007 environment

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Article ID: 945428 - View products that this article applies to.
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SYMPTOMS

In a Microsoft Exchange Server 2007 environment, an e-mail message is in disorder and is unreadable. However, the same e-mail message is readable if it is received by a user in a Microsoft Exchange Server 2003 environment.

CAUSE

This problem occurs because the boundary conditions of the e-mail message are set to have more than 70 characters. For example, the message header contains the following text:
Content-Type: multipart/mixed; boundary="xx...xx"
This problem may also occur if space characters and carriage return/line feed (CR/LF) characters increase the boundary conditions to more than 70 characters. For example, the message header contains the following text:
Content-Type: multipart/related; boundary="xx...xx"; type="multipart/alternative"
In Exchange Server 2007, the boundary conditions are always treated as invalid. Therefore, the "multipart/" element is treated as invalid and is then converted to a "text/plain" element.

RESOLUTION

To resolve this problem in Exchange Server 2007 Service Pack 1, install Update Rollup 1 for Exchange Server 2007 Service Pack 1. For more information about Update Rollup 1 for Exchange Server 2007 Service Pack 1, see the following Exchange Help topic:
Description of Update Rollup 1 for Exchange Server 2007 Service Pack 1
To resolve this problem in the release version of Exchange Server 2007, install Update Rollup 6 for Exchange Server 2007. For more information about Update Rollup 6 for Exchange Server 2007, see the following Exchange Help topic:
Description of Update Rollup 6 for Exchange Server 2007
For more information about how to install 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

STATUS

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

MORE INFORMATION

For more information, click the following article numbers to view the articles in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates
817903 New naming schema for Exchange Server software update packages
For more information about RFC 2046, visit the following Web site:
http://www.ietf.org/rfc/rfc2046.txt

Properties

Article ID: 945428 - Last Review: February 21, 2008 - Revision: 1.6
APPLIES TO
  • Microsoft Exchange Server 2007 Standard Edition
  • Microsoft Exchange Server 2007 Enterprise Edition
Keywords: 
kbexpertiseinter kbfix kbqfe kbhotfixrollup KB945428

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