Werner Schalk:
> Dear all,
>
> I am running Postfix and Mailman on my server with MySQL as backend. It
> works like a charm (including mailman) but for one domain (customerA.com)
> the following error message is generating when the admin user maintains a
> list and an email is being generated (e.g. when adding/removing a member):
>
> Mar 6 18:12:46 localhost postfix/smtpd[23391]: NOQUEUE: reject: RCPT from
> localhost[127.0.0.1]: 550 5.1.0 <[email protected]>: Sender
> address rejected: User unknown in virtual mailbox table;
> from=<[email protected]> to=<[email protected]> proto=ESMTP
> helo=<[127.0.0.1]>
As described in (among others) VIRTUAL_README.html:
1 - The sender address must exist in virtual_alias_maps.
2 - The virtual_alias_maps must rewrite this address into an address
in a different domain.
You need to find out which of the two requirements is not satisfied.
Wietse
