> > > If the recipient is bad then no one would have got the email > anyway. But there wouldn't a a notification to the sender. I > suppose I could make it smarter so that if the message is > blessed in one of my many white lists then I would do a > bounce message, otherwise not. > > OTOH, if someone is rarely down then the backscatter would > probably be minimal. This will probably be something to > experiment with. >
to do it properly, you must check for "validrcptto" therefore, you must sync user databases with the main email server for each domain... - rh
