[ietf-dkim] over-the-wire (in)compatibility between pre-IETFDKIM and (eventual) IETF DKIM

[Arvel Hathcock]

> PS: I still didn't hear much about what specific parallel scenarios we'd 
> like to support btw. e.g. if a single message can have both new and old 
> signatures from the same domain, do we require that the same public key be 
> usable to verify both, or should we remain silent on that, or something 
> else?

If anything, I'd prefer that the same public key be required to verify both.

-- 
Arvel