[Mailman-Users] MTA problem (was "mail not being sent/received")

jpsota at gmail.com jpsota at gmail.com
Fri Feb 18 00:23:07 CET 2005

> >  However, when I look at /var/log/mailog after after sending mail to
> >  the list, I don't see anything at all added to the log. That is, it
> >  seems like the mail isn't even ever getting to the smtp server.  I
> >  also sent mail to a user on the server system directly, and nothing
> >  showed up in the maillog.
>         Then it sounds like there's a disconnect between Mailman and your MTA.

Isn't /var/log/maillog an smtp-level log? I'm under the impression
that it has nothing to do with mailman in particular. I'm mentioning
this because as I said in a previous message, it seems like mail isn't
even reaching the system because when I send mail directly to a user
account on that system, there is no record of such a message in
/var/log/maillog. Likewise, there's no record of anything when I send
to a mailman list.

>         Check the logs in /usr/local/mailman/logs/smtp and
> /usr/local/mailman/logs/smtp-failure, and compare those against the
> MTA logs.

My smtp logs only contain outgoing messages sent by crond -- nothing
incoming. I don't have a smtp-failure log. Is the maillog the MTA log?
If not, where is the MTA log?

> >  I have port 25 forwarded to my server -- is this all I have to do?
>         I'm not sure what you mean by "I have port 25 forwarded to my server".

My server is behind a router and SMTP's default port is 25. Therefore,
I've forwarded incoming requests on port 25 to the server. However,
there may be something else I need to do to get incoming mail to be

>         You may need to enable increased debugging on your MTA to see
> what is going on.  If your MTA is not local, then you may need to use
> network sniffing software to watch all SMTP transactions, so that you
> can see what is going on.

My MTA is a local sendmail install. How do I increase debugging support?

Note that the only way I can get an incoming mail entry to show up in
maillog is if I send mail locally on the system from, say, root to
foo, where foo is a non-root user on the same system. Otherwise, I see
nothing at all.

So, unless I'm missing something, it looks like my problem is
independent of mailman.

Does anyone have suggestions?


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