On Sun, 2004-11-14 at 15:11 +0000, Eliot Stock wrote: > >It might also be worth trying: > > > >define(`SMART_HOST',`relay:[relay.plus.net]') > > > >Paul. > > > > > It works! Thanks so much. > > why does it work though? what does the relay:[] thing do? The relay: tells it explicitly to use the "relay" mailer defined in your sendmail.cf (which it should be doing anyway). The square brackets tell it not to try an MX lookup for the hostname; you want to send the mail to that host, not to any MX host for that domain. Paul. -- Paul Howarth <paul@xxxxxxxxxxxx>