list...@tutanota.com: > Hola. > > I installed PostFix 3.1. > > I added these to the main.cf configuration file: > > unverified_recipient_reject_reason = bad address > unverified_recipient_defer_code = 450 > unverified_recipient_reject_code = 550 > > So a unverified_recipient rejection I think should respond by a 550.
Postfix WILL NOT use unverified_recipient_reject_code if the verification result was a soft error. Wietse