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Re: How did I get this [Sender address rejected: User unknown in virtual alias table] and how do I get rid of it?

From: Ansgar Wiechers (listsplanetcobalt.net)
Date: Wed Sep 16 2009 - 02:35:12 CDT

On 2009-09-15 Paul Beard wrote:
> 554 5.1.0 <XXXXXexample.org>: Sender address rejected: User unknown
> in virtual alias table
[...]
> virtual_alias_domains = example.org
> virtual_alias_maps = hash:/usr/local/etc/postfix/example.cf

If mail sent to XXXXXexample.org should be delivered to local mailbox
YYYYY, you need a line like this in example.cf:

----8<----
XXXXXexample.org YYYYY
---->8----

Is that line present in /usr/local/etc/postfix/example.cf, and did you
run "postmap /usr/local/etc/postfix/example.cf"?

Regards
Ansgar Wiechers
--
"All vulnerabilities deserve a public fear period prior to patches
becoming available."
--Jason Coombs on Bugtraq