ietf-dkim
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Re: [ietf-dkim] Re: 3rd party signing

2006-07-31 09:48:20
> If a message has a valid signature from the same domain as the From:
> domain, can SSP tell you anything useful?  If you looked up the SSP on
> such a message and it said "we send no mail", who do you believe?
> (Keep in mind that if the signature is valid, the same DNS that had
> the SSP also had the DKIM key.)

Yes, yes. John is right. "We send no mail" does have an inherent contradiction problem. Dumping it would rid us of that problem and allow an optimization because we wouldn't have to do SSP queries in cases where there's a valid signature on behalf of the From: domain.

--
Arvel



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