DOCUMENT:Q99854  29-OCT-1999  [pcmail]
TITLE   :SMTP: Err Msg: 500 Huh?
PRODUCT :Microsoft Mail For PC Networks
PROD/VER:MS-DOS:2.1,3.0
OPER/SYS:
KEYWORDS:

======================================================================
-------------------------------------------------------------------------------
The information in this article applies to:

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

SYMPTOMS
========

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

   500 Huh?

CAUSE
=====

This error message indicates that an unknown SMTP command was received by the
gateway. After sending this error message, the SMTP Gateway usually closes the
connection.

RESOLUTION
==========

Check the SMTPGATE.LOG file to find the command that the SMTP did not
understand. Then, contact the sending host to ascertain 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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