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Q99855: SMTP: Err Msg: 503 Bad Command Sequence

Article: Q99855
Product(s): Microsoft Mail For PC Networks
Version(s): MS-DOS:2.1,3.0
Operating System(s): 
Keyword(s): 
Last Modified: 29-OCT-1999

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The information in this article applies to:

- Microsoft Mail Gateway to SMTP, versions 2.1, 3.0 
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SYMPTOMS
========

Versions 2.1 and 3.0 of Microsoft Mail Gateway to SMTP may display this error
message:

  "503 Bad command sequence"

CAUSE
=====

This error message indicates that an SMTP command was received out of sequence.
After sending this error message to the calling host, the SMTP Gateway waits for
another command.

RESOLUTION
==========

Check the SMTPGATE.LOG file to find the offending command that caused the error.
Then, contact the sending host to determine why the command was given.

Additional query words: 2.10 3.00 alert errmsg

======================================================================
Keywords          :  
Technology        : kbMailSearch kbMailGateSearch kbZNotKeyword3 kbMailGateSMTP300 kbMailGateSMTP210
Version           : MS-DOS:2.1,3.0

=============================================================================

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