Hi,
thanks for your detailed discussion about this term.
I think the best way in handling obviously malformed SPF
records is generally to reject (say: ignore) them.
As you mentioned, "\"vspf=1 is NOT "vspf=1 and should not
be guessed to form a syntactical correct record.
I never thought about this earlier, but you're right saying
this could lead away from standards and weaken SPF at all.
Cheers,
Stephan
Frank Ellermann schrieb:
Stuart D. Gathman wrote:
I suggest standardizing a Received-SPF tag for heuristic
results (and I have a long and growing list of them).
I use x-bestguess.
For the Authentication-Results Murray invented a "policy"
flag (don't know his terminology by heart) for DKIM, and
I asked what that is, because there is no "policy" in the
DKIM spec., and if it's a general idea it could also make
sense for SPF among others. If you want it convince him,
so far "policy" is only for DKIM + ADSP, not SPF + PRA.
I've no problem with such ideas - as long as it is clear
downstream what's "guess" and what's "spec".
Frank
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