[ietf-dkim] Re: ISSUE 1521 -- Limit the application of SSP to unsigned messages

[Arvel Hathcock]

 > If we remove the "required" we're left only with the bare
 > "characteristic" which tells us nothing useful except in cases where
 > there's a preexisting trust.

Well, "nothing useful" is not entirely true.  It's still better to know 
what a signature alone can tell you than to not have any information at 
all however in the context of SSP just any old signature doesn't say enough.

Arvel