SPF on its own, as currently written will have no medium or long term impact on spam other than joe-jobs and bounces and bandwidth.
The same is true for the non-open Microsoft and Yahoo derivatives.
That's why I started the "[Asrg] LMAP: RHSBLs better than what we have now?" thread.
Doug Royer allegedly said: >Benefit - saves time by allowing automated tools to track spam sources.
><I can write tools that always get contact information given a domain name, but can't given an IP. \
I believe that's false. Both ARIN et. al. info and domain info is fairly often bogus.
Registrars ignore blatantly false info in both, unless there's been a recent change I'm not aware of.
So I don't believe switching from one to the other is likely to to be a benefit.
Doug Royer | http://INET-Consulting.com
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