Knowledge Base

XFOR: MS Mail Users Sending SMTP, NDR, 2375, 2113 Inconsistently

Article ID: 169117

Article Last Modified on 10/8/2003

APPLIES TO

This article was previously published under Q169117

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.

Keywords: kbprb kbusage KB169117


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