[Mailman-Users] failed with code -1: (111, 'Connection refused')

[Stephen J. Turnbull]

Andrei writes:

 > I don't know how to resolve this. Mailman is running.
 > Everything seems OK but when I try to send an email to the list I see
 > the following error messages and message is never gets sent (by
 > mailman)

You need to look at the logs of your MTA (sendmail, Exim, Postfix,
qmail are common ones) to see exactly what it is doing and where the
failure is happening.  It is strange that a list post would result in
"can't deliver to owner", though.  Is the list owner address a member
of the list?