Matthew Elvey <matthew(_at_)elvey(_dot_)com> wrote:
I think John Leslie said that under SenderID, a domain's reputation 
would be looked up by looking up the IPs its SPF2 record lists in an IP 
blacklist.
   More exactly, I said one could build a reputation service this way.
It was _a_ way to build a reputation service; not an _only_ way.
I think John is confused - that's not what I am expecting.  I'm 
expecting the domain itself to be looked up in a RHSBL. 
   The question is, how would such a RHSBL be maintained? It seemed to
me that any RHS that scored poorly under that scheme would need to be
on a hair-trigger because it could go from zero to a million spams in
a matter of seconds.
   (I'm not the least bit sure this is a good time to discuss the issue,
but I'd like to minimize confusion about what the issue is...)
--
John Leslie <john(_at_)jlc(_dot_)net>