ietf-mxcomp
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Re: marid-submitter-02: Recipient's point of view

2004-08-06 13:06:42

On Fri, Aug 06, 2004 at 09:25:44AM -0700,
 Hadmut Danisch <hadmut(_at_)danisch(_dot_)de> wrote 
 a message of 30 lines which said:

HELLLOOOO. Wake Up! 

Not at this time of the day.

May I ask who in this working group has experience in designing
security protocols?

Not me. Now, what's the security problem? The draft says that the
*client* SMTP must derive SUBMITTER from the 2822 headers and that the
*server* SMTP should check that they still match.

Besides a lazy server which understands SHOULD as "if you please", can
you present a scenario where SUBMITTER fails, because the bad guy
forged the 2822 headers (something which is easy to do, we know it, no
need to be a security expert)?


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