Q245041: XFOR: Postmaster Incorrectly Receives SMTP Messages

Article: Q245041
Product(s): Microsoft Exchange
Version(s): winnt:5.5 SP2
Operating System(s): 
Keyword(s): exc55sp2 kbExchange550preSP4fix kbExchange550sp4Fix
Last Modified: 06-AUG-2002

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The information in this article applies to:

- Microsoft Exchange Server, version 5.5 SP2 
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SYMPTOMS
========

The Microsoft Exchange Server Internet Mail Service accepts a partial addresses
of p@<domain>.com (or "po", "pos", "post", "postm", and so on) and
delivers it to the designated postmaster account. If a user account exists with
the address, mail is delivered to the user as expected.

RESOLUTION
==========

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

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


STATUS
======

Microsoft has confirmed that this is a problem in Microsoft Exchange Server
version 5.5 Service Pack 2. This problem was first corrected in Exchange Server
5.5 Service Pack 4.

Additional query words:

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Keywords          : exc55sp2 kbExchange550preSP4fix kbExchange550sp4Fix 
Technology        : kbExchangeSearch kbZNotKeyword2 kbExchange550SP2
Version           : winnt:5.5 SP2
Issue type        : kbbug
Solution Type     : kbfix

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