On Thu, Apr 03, 2008 at 12:26:09PM -0500, David Nicol wrote:
I belive it be appropriate to include the distributed (rather than
centralized) dns-based robust distribution paradigm of SPF,
as a creature within the taxonomy of DNS-based reputation systems.
(a) I think of SPF et.al. as very different animals than DNSBLs,
so -- at least to me -- this would be out-of-scope.
(b) SPF et.al. have already been rendered largely moot, whereas DNSBLs
still have considerably utility. (I've often argued that they're
the single most effective tool we have.)
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