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Q169117: XFOR: MS Mail Users Send SMTP, NDR, 2375, 2113 Inconsistently

Article: Q169117
Product(s): Microsoft Exchange
Version(s): winnt:4.0,5.0
Operating System(s): 
Keyword(s): kbusage
Last Modified: 21-MAY-2000

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The information in this article applies to:

- Microsoft Exchange Server, versions 4.0, 5.0 
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SYMPTOMS
========

When Microsoft Mail users send SMTP mail through the Internet Mail Service (or
Internet Mail Connector in version 4.0), they may sometimes get a non- delivery
report (NDR) that reads:

  Delivery to (SMTP:user1@domain1.com) failed.
  Reason: unable to transfer diagnostic: no route to intended MS Mail
  recipient.

Where user1 is not a Microsoft Mail recipient but any recipient on the Internet.
The Microsoft Mail users are, however, receiving local mail and SMTP mail with
no problem.

One of the following six errors might be found in the Event Viewer:

Error1:

  5/22/97 12:55:53 PM MSExchangeMSMI Error Session Error 2375 N/A TRADE MS
  Mail Connector Interchange has detected a configuration problem. No
  mailbag on the MS Mail Connector Post Office was found for recipient:
  SMTP:rlaporte@sierrahitek.com in the message with message id
  CA/TCAHQPO/00000C9D.

Error2:

  5/22/97 12:55:53 PM  MSExchangeMSMI  Warning    NDR 2371   N/A  TRADE
  Invalid recipient(s) found in CA/TCAHQPO/00000C9D. Generating
  non-delivery report.

Error3:

  5/22/97 12:55:53 PM  MSExchangeMSMI  Information Routing   2444 N/A
  TRADE
  Message ID <00000C9D> processed from INQUEUE

Error4:

  MSExchangeMSMI Warning NDR 2371 N/A TRADE Invalid recipient(s) found
  in CA/TCAHQPO/00000C9D. Generating non-delivery report.
  MSExchangeMSMI Information Routing 2444 N/A TRADE Message ID <00000C9D>
  processed from INQUEUE

Error5:

  MSExchangeMSMI Error Session Error 2375 N/A TRADE MS Mail Connector
  Interchange has detected a configuration problem. No mailbag on
  the MS Mail Connector Post Office was found for recipient:
  SMTP:rlaporte@sierrahitek.com in the message with message id
           CA/TCAHQPO/00000C9D.

Error6:

  Event ID 2113 Message ID delivered to exchange. ID 2375 invalid
  recipients found in Exchange PO. No mailbag found on MS Mail
   connector PO was found." Delivery to  (SMTP:rlaporte@sierrahitek.com)
  failed.
  Reason: unable to transfer diagnostic: no route to intended MS Mail
  recipient.

CAUSE
=====

After translating a recipient address, MS Mail Connector Interchange was unable
to route the message to a Microsoft Mail post office. A non delivery report is
generated for this message. This may be caused by the existence of an SMTP
address space in the MSMail Connector. If it exists, then messages intended for
the IMS will randomly be sent to the MSMail connector. This is caused by the
steps taken by the MTA to determine routing. If outbound SMTP messages are
delivered to the MSMail connector, an NDR is generated because there is no
MSMail postoffice that matches the address.

RESOLUTION
==========

To resolve this problem:

1. Do not enter the SMTP address type in the address space property page of the
  MS Mail Connector, unless SMTP mail is being sent via the MS Mail Connector
  to an SMTP gateway or "Gateway to AT&T" on the Microsoft Mail side.

2. Ensure the proper MS Mail Gateway Access components are set up at the MS Mail
  Connector post office.

3. In the Exchange Server Administrator program, double-click the MS Mail
  connector and select the Address Space tab. If there is an address of SMTP
  type, select it and click Remove.

Additional query words:

======================================================================
Keywords          : kbusage 
Technology        : kbExchangeSearch kbExchange500 kbExchange400 kbZNotKeyword2
Version           : winnt:4.0,5.0
Issue type        : kbprb

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