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Old 6th March 2013, 04:55
scientist scientist is offline
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Default Posts to Mailman list bouncing- User unknown

I installed ISPConfig, with Apache, Postfix, Dovecot on a CentOS-flavor system.

I made the language correction and disabled CGI with domains I am testing for Mailman use.

I can send and receive emails externally and int5ernally with SquirrelMail. I can create Mailman lists from the ISPConfig interface. I can add subscribers through the web and they receive email confirmation requests from

If I click the link, the subscriber is added. However, if I reply, the email is sent back with a permanent fail. I also get a permanent fail if I try to post, using the and list prefix in the subject line. I've tried setting up with non-subdomains as well (

I get this error in my maillog:

NOQUEUE: reject: RCPT from[]: 550 5.1.1 <>: Recipient address rejected: User unknown in virtual mailbox table; from=<> to=<> proto=ESMTP helo=<>
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