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A transport rule is not applied to MDNs in Exchange Server 2007
Article ID: 972115 - View products that this article applies to.
In a Microsoft Exchange Server 2007 environment, you create a transport rule that operates under the "when the Content-Type contains report-type=disposition-notification" condition. However, the transport rule is not applied to Message Delivery Notifications (MDNs).
Exchange Server 2007 checks only the value of the "Content-Type" parameter of the MIME header. Exchange Server 2007 does not check the value of the "report-type=disposition-notification" parameter of the MIME header.
For example, a typical MDN MIME header resembles the following:
Exchange Server 2007 checks only the value of the first parameter of this MIME header.
To resolve this problem, install the following update rollup:
(http://support.microsoft.com/kb/971534/ )Description of Update Rollup 1 for Exchange Server 2007 Service Pack 2
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
Article ID: 972115 - Last Review: November 19, 2009 - Revision: 1.0