Adri van Loopik:
> For what it is worth: I DID use the relayhost = [smtp.myisp.nl] syntax.
>
> I hope this is helpful to someone.
It's not helpful without a descripton of the problem symptoms.
A working Postfix does not need /etc/hosts lookups just because you
add a transport map. That makes absolutely no sense.
You need /etc/hosts lookups because you changed something else that
wasn't mentioned in this thread.
Wietse
> 2013/1/18 Viktor Dukhovni <[email protected]>:
> > On Fri, Jan 18, 2013 at 09:12:31PM +0100, Adri van Loopik wrote:
> >
> >> I had first also to put smtp_host_lookup on 'native, dns' (I did the
> >> same for lmtp_host_lookup, not sure that was needed).
> >
> > The real issue was that you failed to use the correct relayhost
> > syntax:
> >
> > relayhost = [relay.example.com]
> >
> > not
> >
> > relayhost = example.com
> >
> > typically the first form is for relay servers ISPs give their
> > customers as submission servers, ... while the second is for relays
> > that are domains with MX RRsets. Your ISP probably had MX records
> > for the relayhost that pointed elsewhere.
> >
> > --
> > Viktor.
>
