Q191163: XFOR: Non-Delivery Report Returned When Message Includes Several

Article: Q191163
Product(s): Microsoft Exchange
Version(s): winnt:5.5
Operating System(s): 
Keyword(s): exc55sp2fix
Last Modified: 06-APR-2000

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The information in this article applies to:

- Microsoft Exchange Server, version 5.5 
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SYMPTOMS
========

When users and administrators send messages that have three or more attached
files through two Microsoft Mail Connectors, a non-delivery report (NDR) will be
sent to the postmaster with the following message:

  MS Mail Connector failed parsing the message content.

CAUSE
=====

This occurs because the attachment tags are not being parsed correctly.


RESOLUTION
==========

To resolve this problem, obtain the latest service pack for Exchange Server 5.5.
For additional information, please see the following article in the Microsoft
Knowledge Base:

  Q191014 XGEN: How to Obtain the Latest Exchange Server 5.5 Service Pack



STATUS
======

Microsoft has confirmed this to be a problem in Exchange Server version 5.5.

MORE INFORMATION
================

In the following environment, User-A and User-B can send and receive messages to
each other as usual. However, when User-A sends a message with three or more
attachments to User-B, User-B does not receive it, and User-A receives an NDR
from the Microsoft Mail shadow postoffice postmaster of XSRV-B.

                          same site
                  (or any other connectors)
   Exchange Server  ---------------------  Exchange Server
         (XSRV-A)                              (XSRV-B)
            |                                     |
            |MS Mail Connector                    |MS Mail Connector
            |                                     |
       MS-Mail PO                            MS-Mail PO
         (PO-A)                                (PO-B)
            |                                     |
            |                                     |
            |                                     |
   Any MS Mail Client                    Any MS Mail Client
         (User-A)                              (User-B)


Additional query words:

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Keywords          : exc55sp2fix 
Technology        : kbExchangeSearch kbExchange550 kbZNotKeyword2
Version           : winnt:5.5
Issue type        : kbbug
Solution Type     : kbfix

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