Re: Question: UseSTD3ASCIIRules on RHS of IMA

Roy Badami <[email protected]> writes:

>    Why should IMAA discuss it at all?  IDNA defines how domain names are
>    internationalized, and that takes care of RHS.
>
> Because, as IDNA says, the rules as to where the STD3 hostname rules
> should be applied are imprecise and the subject of debate, and the
> implementor needs to interpret the RFCs to decide whether they apply
> in any given circumstance.
>
> If the RFCs are clear on the matter, then it's surely helpful to the
> implementor to document in IMAA the required value of the
> UseSTD3ASCIIRules flag for processing IMAs.  (And I'd appreciate a
> reference to the RFC that makes it clear whether mail domains are
> subject to hostname rules, if there is one.)
>
> If there's any ambiguity or disagreement as to whether the hostname
> rules apply, then perhaps IMAA should take the opportunity of
> clarifying the situation.

Informative text doesn't hurt, I guess, but IMAA shouldn't make
normative statements about this IMHO.

All application must already know the answer to this problem, as the
same problem existed before IDNA.  If the RFCs are unclear, that
should be fixed independently of IMAA.