PCRE folks, a copy of the message I just sent to exim-users. Any problems, please do let me know!
Mailman on @exim.org is now version 2.1.23 with DMARC changes applied to all lists: dmarc_moderation_action = 1 dmarc_none_moderation_action = True Furthermore, Exim on @exim.org is now DKIM-signing all outbound mail which has a sender address in @exim.org. We do not publish a DMARC policy at this time, and probably won't (for a long time / ever) but DKIM is now pretty essential to not have @exim.org mail end up in the spam folders of some large mail providers. In blatant pimping of my own blog, two posts from 2012 on problems with DMARC explain why `dmarc_none_moderation_action` matters: https://bridge.grumpy-troll.org/2012/02/how-private-is-your-mailing-list-subscriber-list/ https://bridge.grumpy-troll.org/2012/07/mailing-list-recipient-disclosures-with-dmarc-redux/ Regards, -Phil
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