Hello, Is it possible to do a custom action (greylisting with an external program or RBL checks or RHSBL checks) only if the checks below failed? If yes, how could that be done with postfix (I prefer to do it with settings in main.cf and without an extra program)? - Match PTR/A-record (no "unknown" client hostname) - Helo matches client hostname
Using extra smtpd_restriction_classes isn't a problem (as I do it already for certain "whitelists"). With kind regards, Mark Scholten
