[Mailman-Users] Mailman messages getting rejected by Exchange relays running Webs hield
Bueschel, Eric W RWBAHC DIN-PACS
Eric.Bueschel at CEN.AMEDD.ARMY.MIL
Wed Apr 24 00:25:44 CEST 2002
Problem solved, the FQDN did not have an MX record associated with it.
From: Bueschel, Eric W RWBAHC DIN-PACS
[mailto:Eric.Bueschel at CEN.AMEDD.ARMY.MIL]
Sent: Tuesday, April 23, 2002 2:41 PM
To: 'mailman-users at python.org'
Subject: [Mailman-Users] Mailman messages getting rejected by Exchange
relays running Webs hield
I have set up mailman running on Slackware 8.0 w/ the latest slackware
sendmail patches. Some of the list subscribers are having mail addressed to
the list bounced by Exchange servers running Webshield SMTP V4.5 MR1a Mail
Additionally, when a message is sent from Mailman to a user that has to be
relayed through one of these servers, it times out with the log entry "input
channel closed by host". If it relays through a different path, there are
Sometimes the reject messages is simply "host not found" and sometime it is:
Network Associates WebShield SMTP V4.5 MR1a on arwshkhn42 intercepted a mail
<username at userdomain.com> which caused the Content Filter MyLife.F to be
Even sending from a 'nix box will generate the above if it relays through
the server in question.
This seems to occur during a reply to a message.
The common denominator is Webshield, all other machines, including Exchange,
relay the message just fine.
Is this a problem with Mailman? Have I configured Sendmail incorrectly? Or
is this just a result of somebody incorrectly installing/configuring
Webshield? Any suggestions would be welcome.
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