On Nov 2, 2011, at 3:45 PM, Douglas Otis wrote:
I can put together an I-D describing the Kerberos ticket extension if you
think this would be a logical next step. Its use would supplant RBL like
reputation services and gray-listing normally cached by IP address applied at
every SMTP exchange.
Before you try to describe protocol extensions, perhaps you should start by
writing an I-D describing how Kerberos actually helps. e.g. How do you
establish trust between realms on the scale required for global email?