Dave Crocker wrote:
If I understand your goals correctly, you see DKIM mainly defining the
domain owner the accountable entity for messages sent from that domain
versus the author/sender of the message.
This is precisely what DKIM does. It is the domain administrator who defines
the DNS records used by DKIM and DKIM's granularity of the validated identity is
a domain name.
That is not correct. The local part of the i= is intended to
provide a binding to the local part of outside origination
headers, not just the domain part. Which is why it is,
in fact, a primary goal.
One only has to look at Yahoo's web mail interface to
understand what significance they place on that binding.
Mike
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