> >> A: sender somerandom@???
> >> B: contact whereever.com
> >> mail from:<> fails
> >> mail from:<postmaster@???> works
> >> rcpt to:somerandom@???
> >> C: notices the connection and does a callout for postmaster@???
> >> At this point mail from:<> should not fail.
> >
> >Can you rely on every implementation of callback getting this right?
> >What if somebody has a callback scheme that doesn't use <>? I'd rather
> >not run the risk of hitting one that gets it wrong.
>
> the problem is when two that get it wrong do hit each other, isn't it...?
> Anyway, who cares, tough on those who don't accept <>.
I agree, however, in some cases, if properly setup (say using the postmaster
address) and the callout server (the first one) uses postmaster and does not
do callouts for postmaster, there shouldn't be a loop.
--
Lab tests show that use of micro$oft causes cancer in lab animals
