On Thu, Mar 18, 2004 at 09:38:14PM -0500, Yakov Shafranovich wrote:
Meng Weng Wong wrote:
Does anybody not agree that designated sender is the best way to combat
RFC2821 MAIL FROM forgery? Show of hands please ...
I am not sure if it is the best way to do it, but it is one way to do it.
I share Yakov's position.
Does anybody not agree that crypto is the best way to combat RFC2822
header From: forgery?
While designated sender schemes can be used for fight header forgery
(like CID does), they might be breaking too many things. The question we
should be asking is whether we should be verifying the "from" header,
not whether proposal X is better.
Mark C. Langston Sr. Unix SysAdmin
Systems & Network Admin SETI Institute