Hi
> 5?? code in *greeting message*:
> makes some sending MTAs (sendmail and postfix) to try
> delivery via "fallback relays" - it makes "5?? Listed in ...
> as DUL" greeting a good way to say "use your ISP smart host"
> for host that strongly insist on avoiding using smart host
> whenever possible.
>
> P.S.
> I "unintentional" change has happened in sendmail-8.13.2 (I
> wrongly wrote about 8.13.3)
You miss the point here.
The rfc FORCES you to accept emails to postmaster@ and abuse@ for any
domain, you are sending mail out for. And you need to do this conditionless.
Regards,
Steffen
