Problem with mailman

Brett Hamann brett at consumersbeverages.com
Wed Oct 29 16:16:27 EST 2003


> As it turns out, it seems that the problem is with my machine accepting
> connections on port 25.  It doesn't matter whether I'm running sendmail or
> postfix, I still get the same response:
>
> [dudek at hal9000 ~]$ telnet hal9000.cit.buffalo.edu 25
> Trying 128.205.3.127...
> telnet: Unable to connect to remote host: Connection refused
>
>
> However, If I try to connect via loopback:
>
> [dudek at hal9000 ~]$ telnet localhost 25
> Trying 127.0.0.1...
> Connected to localhost.localdomain (127.0.0.1).
> Escape character is '^]'.
> 220 daviddudek.com ESMTP Postfix
>
> Before someone suggests firewall config, let me note that for
> troubleshooting purposes, I shut off iptables.  I even unloaded the kernel
> modules just to be sure.

Hi everyone..I'm kinda new to the group. I've been reading a lot and not
writting...

Anyway Dave, are you sure sendmail is listening on the externel interface?
Does netstat -a show smtp listening?

Brett



>
> Any suggestions?
>
> --
> David Thomas Dudek     http://www.buffalo.edu/~dudek/
>
> On Tue, 28 Oct 2003, Mark T. Valites wrote:
>
> > Date: Tue, 28 Oct 2003 19:13:59 -0500 (EST)
> > From: Mark T. Valites <valites at geneseo.edu>
> > Reply-To: nflug at nflug.org
> > To: nflug at nflug.org
> > Subject: Re: Problem with mailman
> >
> > On Tue, 28 Oct 2003, David Dudek wrote:
> >
> >
> > > Are there any mailman process running (ps auwwx | grep
> > > <your_mailman_username>)?
> >
> > You didn't answer this.
> >
> > > Have you regenerated the aliases (newaliases)?
> >
> > > Yes.
> >
> > Just checking - did you also first add the lists to your alias file?
> >
> > > telnet localhost 25
> > > expn <a-test-list-name>
> > >
> > > (assuming you have expn turn on...)
> >
> > > I don't have expn.  what's that?
> >
> > vrfy and expn are two command specified in the smtp rfc that help you
> > verify that an address is vaild. See section 3.3 of rfc 821 for
additional
> > information:
> >
> > http://www.sendmail.org/rfc/0821.html
> >
> > (Don't worry, it's very readable)
> >
> > Unless you've tweaked your sendmail, I doubt you're missing it.
> >
> > Here's what I would do to test it:
> >
> > prompt$ telnet <your_mailman_server> 25
> > Trying <your_mail_server_ip>...
> > Connected to <your_mail_server>.
> > Escape character is '^]'.
> > 220 <your_mail_server> ESMTP Sendmail 8.12.9/8.12.9; Tue, 28 Oct 2003
18:54:12 -0500 (EST)
> > expn listname-l
> > 250 2.1.5 <"|/usr/local/mailman/mail/mailman post listname-l">
> >
> > Let us know where that leaves you.
> >
> > --
> > Mark T. Valites
> > Unix Systems Analyst
> > CIT - SUNY Geneseo
> > >--))> >--))>
> >
> >
> >
>
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