Dave Crocker wrote:
old news, but i'm trying to catch up.
Steve Atkins wrote:
While I strongly agree with this interpretation of dkim-base,
some have argued that there are three states
in dkim-base: signature verification suceeds, signature
verification fails and "no signature".
Since -base explicitly direct a failure as being equivalent to no
signature, that leaves a total of 2 states:
1. GoodSig
2. NoSig
Unfortunately, it will probably not have that effect when it all said
and done - "Cry Wolf Syndrome."
FAILURE SIGNATURE ==> NOSIG
has no logical basis for it.
In short, when systems begin to see an avalanche of DKIM failures, a
pattern of NOSIGS will not be ignored.
---
HLS
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