For what it is worth: I DID use the relayhost = [smtp.myisp.nl] syntax. I hope this is helpful to someone.
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.
