Re: limitations of reputation, was Spam sent from compromised

"John Levine" <[email protected]> 23 Mar 2013 04:52:21 -0000
Newsgroups gmane.ietf.asrg
Message-ID <[email protected]>
In article <[email protected]> you write:
>>2. How can each of those potentially affect spam et al? ...

>I can think of at least two reasons that's not true, and there are
>likely more.

1.  The introduction problem: what do you do when you see an identity
you haven't seen before?

2.  Identity theft: when a botnet sends spam from Grandma's computer,
it sends it with Grandma's identity.



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