Postfix config help
I started using GPS few days ago and now am observing huge number of triplet.recipient attempts for nonexistent users of my domains. E.g. email@example.com while only firstname.lastname@example.org exists. How can I tell Postfix to reject unknown users _before_ greylisting takes place? These emails will be rejected anyway and it's just wasting my resources to do the greylisting before rejecting them?
My current postfix main.cf has this:
I believe I need some other reject_ statement but can't find the right one :-(