[clug-talk] Postix Only Listening on Localhost

Mark Carlson carlsonmark at gmail.com
Wed May 31 08:46:38 PDT 2006

On 5/31/06, Jon <me at jonwatson.ca> wrote:
> This should be a no-brainer. I've Googled the hell out of it and
> tried a bajillion things, but no go. KMail can't connect to my
> (Kolab) postfix. A netstat -tpl (thanks Aaron!) shows
> tcp 0 0 localhost:smtp *:* LISTEN 1 3150/sendmail: MTA
> I take this to mean that postfix will only accept localhost
> connections. Telnetting to localhost 25 from the box works, but
> telnetting from outside to port 25 fails with a "connection
> refused" which seems to bear this theory out.
> I can't help but feel this is so lame, but I can't suss it. Can
> someone tell me where to tell postix to accept connections from
> the outside world?

By the outside world, do you mean outside your local network or
outside the one computer?  If you mean outside your local network,
which ISP are you on?  Some ISPs "block" port 25 traffic, but I don't
know if they do it in Calgary...  just a thought.


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