Benoit@makuharigaijin @codewiz I don't have this issue, on mailcow, greylisting is applied by rspamd if the mail is getting a score near the spam flag score.
Basically to wait a little bit if the score will increase like sender finally appearing in a RBL.
Then it will be flagged spam or even rejected if score too high.
Basically:
Near flag spam score and new sender domain/IP?
Wait...
Score increased? Reject or flag spam
Otherwise, normal delivery. 1/2
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