Hector Santos wrote:
It is BAD. It is terrible.
It's harmless, and the header field clearly said "best guess",
i.e. some kind of "receiver policy". In that case you get a
PASS for "plausible" and a NEUTRAL for "who knows". That's
still better than "NONE" if the "best guess" is good enough.
In theory you could also reject on a "best guess" FAIL base.
If it's clear that "best guess" is NOT a "sender policy" I
don't get why you are so excited, it's a receiver policy and
no new idea.
Bye, Frank
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