Autor: W B Hacker Datum: To: exim users Betreff: Re: [exim] A cry for help - are there any plusnet admins out there ?
Heiko Schlittermann wrote: > Hello,
>
> Dave Restall - System Administrator,,,<dave@???> (Thu Mar 24 15:50:22 2011):
>> I use exim to receive and process my emails - have done for years.
>> I also use sender callouts - have done for years. Occasionally emails
>> get rejected because they are sent from non-existent addresses and sender
>> callouts don't like that.
>
> We're using callouts for sender verification, but we do not tell
> anybody.
'Stealth' callouts?
Is that like invisible ink? Does one need a secret encoder ring?
