You're questioning the transition issues. I'm asking where do we want to end
up. I'm suggesting that SSP should be designed for our end-goal.
This is the Internet -- the transition will never be over, so something
that only works after the transition won't happen.
My strawman is that our end-goal is we don't want to accept mail unless it's
authenticated by DKIM. If you agree with that, then SSP should push us in
that direction.
I agree that's a fine goal, but I don't see how SSP helps. Ideally, at
some point there will be little enough unsigned mail that the benefit of
picking through it to find the trickle of non-spam is less than the cost
of the picking. We'll know that by looking at our mail streams, not from
individual assertions by mailers.
R's,
John
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