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A comment on Ask HN: Why can't I host my own email?. Parent comment

Re:Ask HN: Why can't I host my own email? by wahern on Wednesday April 27, 2022 @03:07PM (#31184379)
I also use the dkimproxy package, but there's now a third-party OpenSMTPd module that can sign messages in-line.[1] I've always found dkimproxy setup a little confusing compared to a built-in/in-line solution. I might try to switch to the module during the OpenBSD 7.1 upgrade process.

[1] I think this is the one I had I mind, though I didn't realize it was already in ports: https://cvsweb.openbsd.org/ports/mail/opensmtpd-filters/dkim...

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Re:Ask HN: Why can't I host my own email? by throw0101a on Wednesday April 27, 2022 @07:18PM (#31187028)
If you run a mailing list you generally have to worry about ARC (re-signing 'chain of custody') in addition to DKIM:

* https://en.wikipedia.org/wiki/Authenticated_Received_Chain

I've found ARC to fiddle some to get going than ARC.

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