Edgar Pettijohn: > I use pf to prevent such things but thats native for openbsd perhaps > your os has something similar or some sort of firewall that catches > these connections and blacklists them.
It's very likely that postscreen (Postfix 2.8 and later) will trap
a bad client like that before it even gets to talk to a Postfix
SMTP daemon process.
Wietse
