On Wed 17/Jun/2020 21:15:57 +0200 vom513 via mailop wrote:
I run my own personal mail server, Linux, usual open source bits… One of my many layers/checks for inbound is SPF. Insofar as I reject at the “front door” (SMTP connection) if SPF fails (example is a domain using “-all”). I would imagine this is pretty vanilla so far compared to other folks.
I do more or less the same, publish spf-all and honor it at the front door, and have no hitches. Possibly, what I do is to follow SPF spec, including checking DNSWL, both in the policy published and in the front door.
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