On Tue, Jul 05, 2011 at 02:59:52PM -0700, David Pierce wrote:
> > On Tue, Jul 05, 2011 at 02:52:07PM -0700, David Pierce wrote:
> >
> > > I have a postfix instance on an admin-type node set to relay mail to a
> > host
> > > named "relayhost", i.e., relayhost = relayhost. Now, relayhost is
> > actually
> > > an A record for the IP of the relayhost. Funny enough, I do believe this
> > > worked with 2.3.3 (latest version from CentOS repo). I say "funny"
> > because
> > > I don't believe that should have worked without an MX record (correct me
> > if
> > > I'm wrong).
> >
> > It works with either A or MX records.
> >
> > > Now the fun bit comes in with version 2.8.3:
> >
> > http://www.postfix.org/postconf.5.html#smtp_dns_resolver_options
>
> Does this somehow explain why falling back to native works? I don't have
> an entry for relayhost in /etc/hosts.
Yes. Your native lookup uses DNS with (C-library) default flags.
--
Viktor.
