[Mailman-Users] error: user unknown

[Brendan Chard]

This happened to me and the problem was that, in my virtual hosting
environment, I had a catch-all virtmap setup for the domain I wanted to use
that went to a non-existent user.  I placed that virtmap on my server
because I wanted mail that wasn't addressed properly to be returned to the
sender.

When an e-mail goes into a server with virtual hosts, the virtmaps
(virtusertable) file is read first, then the aliases.  So make sure you
don't have a catchall set up that returns mail or stops it from getting to
your alias entries.

-----Original Message-----
From: mailman-users-bounces at python.org
[mailto:mailman-users-bounces at python.org] On Behalf Of Jon Carnes
Sent: Saturday, March 06, 2004 3:59 PM
To: ??
Cc: mailman-users at python.org
Subject: RE: [Mailman-Users] error: user unknown

On Sat, 2004-03-06 at 03:23, ?? wrote:
> Hi,
> My description maybe not very clear.
> The problem I met is that I can not post message to my mail list.
> I sent a mail to my list via the email server B, then I got a error
message,
> "there was not such a user" from B.
> At the same time, Mailman can send me message, such as "welcome join this
> mail list", "you created a mail list successfully" etc.
> I installed Sendmail 8.12.10 and Mailman 2.1.4 on the same machine.
> So the problem is the Mailman can send mails but it can't receive mail.
> 
Check out FAQ 3.14. This sounds like a classic case of the aliases not
being added.

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