New answers tagged sasl
Winning suggestion came from Twitter / @CBallou: https://twitter.com/cballou/status/727593905399734273 DNS PTR issue. Test removing check_reverse_client_hostname_access I removed it, mail passed. Re-added it below permit sasl lines and we're still golden. Definitely glad for some extra eyeballs on it. I should have stripped some of my new blocks out, ...
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