In message <5.1.0.14.2.20020314104854.02d7f050@???>, Riccardo
Baldanzi <riccardo.baldanzi@???> writes
>Hi all,
>
>i'm receiving a lot of spam mail with an empty sender <>.
>
>How can i reject all mail without a valid sender (perharps checking domain)
>or anyway reject empty sender's mail?
>
I can't help on how to do this, but an empty sender <> is legitimate for
Delivery Status Notifications (RFC1894) and for Message Disposition
Notifications (RFC2298). So you might want to consider making these a
special case.
Regards
--
Paul Overell T U R N P I K E