[ietf-dkim] New issue: DNS Record type for SSP

[Scott Kitterman]

On Tuesday 17 April 2007 22:08, John Levine wrote:

> If SSP needs a new RR, it needs one out of the gate.  Given that one
> of its largest uses will be "this domain sends no mail", the ability
> to wildcard across all one's non-existent subdomains would be rather
> important, and you need a new RR to do that.

Isn't the lack of an A or MX record sufficient for non-existent domains?  Do 
we really need a new protocol to tell us a non-exitent domain is dodgy?

Scott K