#18: implement SMTP Submission (587/465), SASL PLAIN/LOGIN auth and preflight diagnostics

config/rspamd/actions.conf

@@ -0,0 +1,7 @@
+# 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