[ietf-dkim] requirements

[Jon Callas]

> In short, it implies DKIM-BASE is based on a "Good Citizen" model  
> where
> every "i is dotted" and every "t is crossed."   But it lacks no  
> security
> provisions for protecting against the most obvious of all DKIM  
> failures - in
> this case as to relates the above statement - unauthorized signings.

What do you mean by an unauthorized signing, Hector?

Perhaps I don't understand something, but if some unauthorized entity  
owns my DNS and my outgoing MTAs, then I have network problems beyond  
the scope of DKIM.

	Jon