On Apr 30, 2010, at 2:31 PM, John Levine wrote:
Even with your discardable adsp setting, it becomes a
matter of the order of checks at the receiver's gate (eg, whitelist
first, then adsp...)
But since mailbox providers already manage reputation at scale, how much
of a burden is adding this bit to the mix? Remember this only affects
mailbox providers who have decided to do DKIM blocking based on ADSP
discardable policies (for some, if not all senders).
You appear to be asking recipients to distinguish among legit directly
sent paypal transaction mail, legit paypal mail that comes through
known-to-be-real mailing lists, and any other paypal mail that is
presumably illegitimate.
Nope. I'm suggesting a means for enabling DKIM authenticated mail to survive
transit through a mail list and arrive with the intent/purpose/value of the
original authentication might be for MLM's to validate incoming mail and DKIM
sign their own outbound mail along with the appropriate A-R data. That's all.
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