From: "David Koblas" <koblas(_at_)mailfrontier(_dot_)com>
Spam at one level is a security problem, it's the allowance of non-validated
sender to send messages impersonating other users.
Certainly a lot of spam does this, but it's not clear this is critical
to spam.
A fair number of spammers send from domains they probably own,
cheapmortgages.com and that kind of thing, so who's to say that's an
impersonation of any sort?
Others send from domains with fraudulent intent, but which likely
would slip by most proposed systems, such as xyz(_at_)yah00(_dot_)com (those are
two zeros) or joe(_at_)aol-mailserver(_dot_)com (not real examples but similar
to
real examples, a common real example I see is whatever(_at_)hotmial(_dot_)com).
--
-Barry Shein
Software Tool & Die | bzs(_at_)TheWorld(_dot_)com |
http://www.TheWorld.com
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