> I proposed the idea on the mailing list a couple of years ago about having a > centralized clearinghouse of known good senders but no one stepped up with > any ideas. Paul Stead's dkimwl.org is the closest thing to this that I have > found and I think this has been added to 3.4.2 commented out so some may > enable it but most won’t.
dnswl.org <http://dnswl.org/> also has a domain-based list which may be used on (DKIM-) auth’ed domains. > I have local whitelist_auth entries that are several times longer than what I > am putting into SA with zero customer complaints and I am filtering for about > 90,000 mailboxes. I know there are larger SA environments out there but we > all can't publish our local (secret) meta rules without the spammers abusing > them. However, we can publish these safe senders in the SA ruleset to > promote good sending to get on the list. dnswl.org <http://dnswl.org/> always welcomes new data sources for safe publishing :) — Matthias
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