ietf-mxcomp
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RE: How would SPF or Sender Id caught this one?

2004-07-30 16:44:34
How would SPF or Sender ID have managed to catch that attack?

I think the answer is: they cannot.  If the phisher successfully
spoofed the an SMTP over TCP session, there is nothing that SPF
or Sender ID can do about that.

You might want to look at section 6.2 of draft-ietf-marid-core-02.txt.

Regards,
Daryl Odnert
Tumbleweed Communications
Redwood City, California