Microsoft KB Archive/200059

= XFOR: IMC Generates NDR with Mail From: <> =

Article ID: 200059

Article Last Modified on 2/27/2007

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APPLIES TO


 * Microsoft Exchange Server 4.0 Standard Edition
 * Microsoft Exchange Server 5.0 Standard Edition
 * Microsoft Exchange Server 5.5 Standard Edition
 * Microsoft Exchange 2000 Server Standard Edition

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This article was previously published under Q200059



SUMMARY
The following items generate a non-delivery report (NDR) with an empty Mail From: <> header:
 * Exchange Server 4.0 Internet Mail Connector (IMC).
 * Internet Mail Service in Exchange Server 5.0 and 5.5.
 * The SMTP virtual server in Exchange 2000 Server.

This is the preferred method in accordance with RFC 2821 Section 3.7.



MORE INFORMATION
This is done to avoid looping error messages between servers as described in the RFC.

Additional query words: IMS

Keywords: kbinfo KB200059

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