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Re: Micorsoft's Sender ID Authentication......?

  • From: william(at)
  • Date: Wed Jun 08 10:34:24 2005

On Wed, 8 Jun 2005, Daniel Golding wrote:

Reputation is a missing element in all sender authentications schemes and
will (likely) be solved separately.

No approach is perfect, but building closer to a solution is preferred over
sitting on our hands and debating, which (historically) seems to be the
IETF's approach.
You miss the point. Reputation is already widely being used today - every blocklist is a reputation system and we have lots of those for mail server
reputation and for network reputation and for domain names there is SURBL
All those are of course "bad reputation" lists and John wants to see good reputation lists, but it can only happen once authorization is used, but initial technologies are there. For when something more complex is needed there is in fact siq being developed at ASRG
so what is really needed are people willing to come to asrg and work with
authors on R&D (with emphasis on "d" part) and if it does not work well
than ASRG will look at something else.

William Leibzon
Elan Networks
[email protected]