Dan Boresjo wrote:
The idea is to permit SMTP servers not only to publish their own authorization
data, but also to talk to each other and form a 'web of trust' for lookups
using different heuristic sender authorization schemes. I'm thinking this
would enable the scheme to become useful long before widespread adoption,
since muliple server's local mechanisms can be aggregated to establish levels
of confidence.
I welcome comments :)
My concern about using any TCP based protocol is that the latencies and
setup costs will be significant when delivering email. The good news
about the current SPF (non-http) is that all the data is availabe via
UDP and it already makes use of existing caching infrastructure in the
'net.
Philip
--
Philip Gladstone
* Check out the live pondcam at http://pond.gladstonefamily.net
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