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ETRN

Printed From: LogSat Software
Category: Spam Filter ISP
Forum Name: Spam Filter ISP Support
Forum Description: General support for Spam Filter ISP
URL: https://www.logsat.com/spamfilter/forums/forum_posts.asp?TID=730
Printed Date: 04 November 2025 at 3:42am


Topic: ETRN
Posted By: Desperado
Subject: ETRN
Date Posted: 31 May 2003 at 2:16am

Support,

Will ETRN "Pass through" the SpamFilter ISP?  We seem to be suffering from vannishing ETRN commands and I am not sure where yet. For now I have my customers changing the ETRN command to go directly to our Sendmail server (running on a high port) but no one seem to be able to figure out how to get MS Exchange to send ETRN on any port except 25.  I have not personally looked at the options in Exchange but knowing Billy Boy, it would not shock me to learn that you CAN'T change it so this could become an important issue.

Thanks,

Dan Seligmann


Replies:
Posted By: LogSat
Date Posted: 01 June 2003 at 3:57pm

Hi Dan,

The ETRN command is not implemented in SpamFilter, at least not yet. Using the command will yield a "500 Syntax Error" response. Your clients will need to issue it directly to your SMTP server.

Roberto Franceschetti
LogSat Software

Posted By: Desperado
Date Posted: 02 June 2003 at 9:07am

Roberto,

That is the error we are seeing.  ALL our customers are issuing ETRN DIRECTLY to Sendmail at this point and it is working except, as I mentioned, MS Exchange.  No one seems to be able to find a port setting in Exchange.  It may not exist.  We have a support issue opened with Microsoft on that one.

Regards,

Dan


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