> just deduced from trial and error. Also greylisting should happen at > RCPT TO, and probably not at DATA as there are some widely used MTAs > that are buggy and choke when a 4xx error is sent in the DATA phase.
I've been running this at DATA for months, and not seen any
issues with it.
anyone here got hard evidence of such bugs - please show
me. Or is this just uninformed speculation?
-Bob
