Microsoft KB Archive/940051

= The recipient information in an e-mail message incorrectly contains the character string &quot;%40&quot; in the address instead of the at sign (@) in Exchange Server 2007 =

Article ID: 940051

Article Last Modified on 10/30/2007

-

APPLIES TO


 * Microsoft Exchange Server 2007 Standard Edition
 * Microsoft Exchange Server 2007 Enterprise Edition

-



SYMPTOMS
In Microsoft Exchange Server 2007, you send an e-mail message that has the Request a Delivery Receipt option enabled. When you do this, the recipient information in the body of the message incorrectly contains the character string &quot;%40&quot; in the address instead of the at sign (@).

Additionally, you may receive a delivery status notification (DSN) message that resembles the following DSN message:

Your message has been delivered to the following recipients:

user01

Subject: xxxx

Sent by Microsoft Exchange Server 2007

Note In this example, the recipient address should be &quot;user01@contoso.com.&quot;



CAUSE
This problem occurs if you change the settings of the Exchange Server 2007 transport server to send a DSN message in plain text format. When you do this, the transport server generates a plain text DSN message that treats the at sign (@) as an escape character. Therefore, the at sign is replaced by the character string &quot;%40.&quot;



RESOLUTION
To resolve this problem, install Update Rollup 5 for Exchange 2007. For more information about Update Rollup 5 for Exchange 2007, click the following article number to view the article in the Microsoft Knowledge Base:

941421 Description of Update Rollup 5 for Exchange 2007



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section.



MORE INFORMATION
To send a DSN message in plain text format, run the following command in the Exchange Management Shell:

Set-TransportServer -Identity  -InternalDsnSendHtml: $false

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

Keywords: kbqfe kbexpertiseinter KB940051

-

[mailto:TECHNET@MICROSOFT.COM Send feedback to Microsoft]

© Microsoft Corporation. All rights reserved.