Yoshiro YONEYA <[EMAIL PROTECTED]> wrote:

> - replace internal representation of inputted domain name with
>   received answer.
> 
> And then, use the replaced internal representation for DNS queries,
> application protocol messages, and so on.  I think this requires
> upgrading applications.

This is an excellent point.  We need to keep reminding ourselves that
the problem goes beyond just DNS.  If I receive mail addressed to me and
various other people with IDN addresses, what goes in the To: field?
Will today's version of the sender's software handle that?  And will
today's version of my software allow me to reply to everyone?

AMC

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