[ietf-dkim] Internationalized domain names
phoffman at proper.com
Wed Jul 19 10:29:31 PDT 2006
At 9:30 AM -0700 7/19/06, Douglas Otis wrote:
>On Jul 18, 2006, at 5:25 PM, Paul Hoffman wrote:
>>Eric added the following to base-04:
>> Internationalized domain names MUST be punycode-encoded
>>This is very wrong. The Punycode encoded value does not include the
>>The text should instead read:
>> Internationalized domain names MUST be converted using
>> the steps in section 4 of [RFC3490] using the ToASCII
>Calling this an ACE label which is identified by the "xn--" prefix
>may avoid some of the confusion.
>This could also be written as:
> Internationalized domain names MUST be converted using the
> steps in section 4 of [RFC3490] into "ACE" labels using the
> ToASCII function.
No, that's wrong: only the labels that have non-LDH characters are
converted. Section 4 in IDNA covers this correctly.
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