[ietf-dkim] Features that could be reconsidered as part of the bis process

[Murray S. Kucherawy]

On Mon, 11 May 2009, J.D. Falk wrote:
> +1 to dropping these, though I'm willing to be convinced otherwise if 
> there are verifiers actively using them to make policy decisions -- 
> particularly z=.

I can't imagine using "z=" as an input to a policy decision.  I've only 
found it useful when debugging at specific sites.