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A comment on Show HN: A self-hosted email engine. Parent comment

Re:Show HN: A self-hosted email engine by p1mrx on Thursday January 30, 2020 @01:16PM (#22193711)
> DKIM, SPF, DMARC are all properly set up.

Does the IPv6 address have matching forward/reverse DNS?

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Re:Show HN: A self-hosted email engine by sam_lowry_ on Thursday January 30, 2020 @03:25PM (#22195148)
Yes
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