Microsoft KB Archive/153940

= XFOR: Microsoft Mail Recipients Do Not Receive NDRs If CRs Exist =

Article ID: 153940

Article Last Modified on 10/28/2006

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APPLIES TO


 * Microsoft Exchange Server 5.0 Standard Edition

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This article was previously published under Q153940





SYMPTOMS
A message sent from a Microsoft Mail user to a Microsoft Exchange Server system via the Microsoft Mail Connector interchange (MSMI) and routed to the Internet Mail Service (IMS) may not be delivered because the destination host is unavailable. If the message remains in the IMS queue until the message timeouts expire, the non-delivery report (NDR) will not be delivered to the originating Microsoft Mail sender. The NDR will reach the shadow postoffice of the MSMI and be renamed with a .max extension.



CAUSE
The SMTP proxy address for the custom recipient is the destination address rather than the Microsoft Mail address.



WORKAROUND
To work around this problem:
 * Remove the custom recipient object. If this is not an acceptable option, please see STATUS section below.



STATUS
Microsoft has confirmed this to be a problem in Microsoft Exchange Server version 5.0. This problem was corrected in the latest Microsoft Exchange 5.0 Server U.S. 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: kbbug kbfix kbusage KB153940

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