# Score thresholds from PLAN.md section 10.1. The principle behind them is # that mail is refused during the SMTP session or delivered, never accepted # and silently discarded: a silent discard loses legitimate mail with nobody # aware of it. reject = 15; # refuse with 550 5.7.1 add_header = 4; # tag as spam and let Sieve file it into Junk greylist = 9; # ask the sender to retry