On Wed, Jun 23, 2004 at 10:05:50AM +0200, Andrew Miehs wrote: > > > >On Wed, Jun 23, 2004 at 08:32:17AM +0200, Adrian 'Dagurashibanipal' > >von Bidder wrote: > > > >Well, if a host blocks mail from me, mail from that host is in fact > >unanswerable mail. It is just a subset of mail which can't be answered. > > > > I think the important part here is not the host, but the domain. If the > domain does not exist or does not have any MX records, fair enough, but > just because a host doesn't want to receive mail, thats another > story...
Well yes. Maybe I oversimplified. What I do is a callback to the MX of the envelope sender to see if it accepts mail to him/her. If not, the mail is rejected with an explicative 550. Blu.
