X400: Downstream Users Receive Multiple Copies of Messages

PSS ID Number: Q100829
Article last modified on 12-20-1993

3.00
MS-DOS

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The information in this article applies to:

 - Microsoft Mail Gateway to X.400, version 3.0
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SYMPTOMS
========
Downstream postoffice mail recipients of Microsoft Mail Gateway to
X.400 may receive multiple copies of the same mail message.

CAUSE
=====
This problem occurs only when the message is generated by certain
foreign X.400 systems and does not occur when backboning MS Mail
postoffices through X.400. In the following text, P1 and P2 apply to
X.400 messages only.
When an X.400 message comes into the X.400 gateway with one recipient
in P1 (or one recipient with P1 responsibility bit set to TRUE and the
rest FALSE) and multiple P2 recipients AND those recipients are
located at a downstream postoffice (NOT the gateway postoffice), the
X.400 gateway formats the message using ALL the P2 recipients for
delivery.
The result is that one mail message is created and addressed to the
same recipient, for as many recipients listed in the P2.

RESOLUTION
==========
This problem has been corrected in version 3.2 of Microsoft Mail
Gateway to X.400.

Additional reference words: 3.00 X400
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Copyright Microsoft Corporation 1993.