Re: [gentoo-user] Is my postfix being used as a relay?

["Kevin O'Gorman" <kogorman@gmail.com>]

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On 3/17/06, John Jolet <john@jolet.net> wrote:
>
> >
> > Yes, I expose this machine's port 25 on purpose.  So I would like
> > to make
> > it a good netizen.
> >
> > I had done this with sendmail in previous distros, but am a
> > neophyte with
> > Postfix.  Right now I want to verify if I have (or am) a problem.
> with postfix, it will, by default ONLY accept mail for which it
> considers itself the final destination for, or destinations that are
> in relay_domains.  typically, out of the box, it will not relay mail
> for anyone, though it will accept mail for it, as resolved from the
> box's fqdn, or mydestination.
>
> I have mine set up to also allow you to relay if you authenticate
> (using sasl, via pam...or pam via sasl, if you want to look at it
> that way).  basically that means I can send mail using this server
> from any network, as long as I set my client up to authenticate on
> send.  but you can't randomly use it as a relay.
> --
> gentoo-user@gentoo.org mailing list
>
> Although it seems this host is not a relay, that does not explain the
score or so of things languishing in my mail queue attempting to
contact sites I have no knowledge of, and which do not accept
the connection.  Any hints how to explore this?

++ kevin


--
Kevin O'Gorman, PhD

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