I notice Spamhaus say that for smaller hosts, RBL blocking at smtp level is not recommended, and instead it’s better to use a milter for RBL checking.
https://docs.spamhaus.com/datasets/docs/source/40-real-world-usage/PublicMirrors/MTAs/030-Sendmail.html I can see the logic in that, since a milter gives you much more control. So for smaller hosts running postscreen, do I take it you just use allow lists with dnsbl_allowlist_threshold to minimise problems with pregreet tests (if you use them)? Or do you have some combination (eg to weed out very low reputation senders before they get to the milter)? Jonathan
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