> Yes thanks, I tried that, the down side for me is that it sends a
> "User Unknown" reject notification, which I'm trying to avoid. I
> don't want my server to waste time sending 10,000 rejects to a zombie
It doesn't send a notification. All it does is reply with a 5xx SMTP
It's very rude to bit-bucket mail to nonexistent recipients; valid senders
might never know that their mail has bounced.
NOTE: If there is a disclaimer or other legal boilerplate in the above
message, it is NULL AND VOID. You may ignore it.