Native SRS is a nice thing to have, especially if you are forwarding to Gmail.<p>A shame that DKIM wasn’t built in too, but there’s a filter/plug-in architecture and you can add a third party filter to do DKIM for you.<p>Sometimes a commitment to supporting a plug-in architecture can be a little overzealous. Yes, it’s a nice general purpose puzzle to solve if you are the engineer writing the code. When DKIM is such a critical part of email in 2022, I wouldn’t mind if it were treated as a special case and supported by default.
This had a showstopper bug a few years ago that could completely compromise a host.<p>I don't usually need this, so I disable it.<p><a href="https://blog.qualys.com/vulnerabilities-threat-research/2020/01/29/openbsd-opensmtpd-remote-code-execution-vulnerability-cve-2020-7247" rel="nofollow">https://blog.qualys.com/vulnerabilities-threat-research/2020...</a>