On Sep 22, 2019, at 9:59 AM, Dominic Raferd <domi...@timedicer.co.uk> wrote: > I think it is inadvisable to use reject_unknown_client_hostname
Yes, you will lose legitimate mail with this, but in my limited experience it is all junk (marketing mail, remailer services, and the like; not technically spam), and a lot of spam. You will probably need to whitelist some senders? > (risk of fps) but I have found reject_unknown_reverse_client_hostname very > effective. Yep, though again, you might hot some ham. I have a mailing list right now that I subscribe to that hits this, so had to white list its server. -- No man is free who is not master of himself
