On Apr 12, 2006, at 10:24 PM, John L wrote:
My understanding of a DKIM signature is that it's the same idea as
the clip at the end of a political ad where the candidate says "I'm
Joe Blow and I approved this message". The signature doesn't mean
that the signer wrote the message or originated it, it just means
that the signer approved it, and you can blame the signer if you
don't like it.
Yes. Yes! Just like when I sign a cheque dated April 1, 2006, my
signature is good for that specific cheque written on that date. You
cannot apply that signature to any other cheque I might have written,
on April 1 or on any other date.
And you can't guarantee that I might be alive at any future date to
stand up in court and verify the signature. The validity of the
signature is from when I wrote the cheque until the recipient cashed
it at the bank. After that, it's too late ...
--lyndon
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