| Re: Spammers breaking SMTP connections to send SPAM ? > It's trivial to prevent this: Do not allow "<>" to send mail to "postmaster". > Unless you actually send out e-mail from your "postmaster" address, there's > absolutely no reason mail from "<>" should ever go to that address. > > I do this on my domain (in fact, I do it for _all_ our receive-only > addresses like "info@", "sales@", etc.). The only thing it breaks is > a stupid SourceForge filter that insists on checking if > "postmaster@roaringpenguin.com" exists, using "<>" as the sender > address. > > To get around that bit of idiocy, I bounce mail from "<>" to "postmaster" > after the end of the DATA phase. All the others get rejected at > RCPT time. > > -- > David. Interesting! How are you doing this? bfons |