Knowledge Base

XCON: IMC Sends NDR and OOF Messages to Bulk Mailing Lists

Article ID: 136786

Article Last Modified on 10/28/2006

APPLIES TO

This article was previously published under Q136786

SUMMARY

The Microsoft Exchange Internet Mail Connector (IMC) sends Non Delivery Reports (NDR) and Out of Office (OOF) messages to bulk mailing lists.

MORE INFORMATION

Messages that come into the IMC from a bulk mail distribution service, such as a listserver, have a SMTP header of Precedence with a value of junk or bulk. The IMC ignores this header and sends NDR and OOF reply messages to the bulk mailing list.

STATUS

Microsoft has confirmed this to be a problem in Microsoft Exchange Server version 4.0. This problem was corrected in Microsoft Exchange Server 4.0 U.S. Service Pack 2. 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


Additional query words: 4.00

Keywords: KB136786


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