[mail-vet-discuss] Auth-Results issues? #5 removing A-R header

[Murray S. Kucherawy]

Tony Hansen wrote:
> I'm really surprised that these are SHOULDs and MAYs, instead of MUSTs.
> If one of those got through, there'd be serious difficulties.
> 
> Is the reason a problem with mandating something for all MTAs?

Speed of adoption, yes.

 > If so,
> how about using the phrase "an Authentication-Results aware MTA" instead
> of "an MTA"? Or "an MTA representing a given hostname"?

I like the former.