>
> On Jan 12, 2016, at 9:32 PM, John R Levine <[email protected]> wrote:
>
> They've appeared under transport names for the past 15 years, which means
> that people have expectations about how they're used which I would not
> casually ignore.
And yet client identities are not really transport-specific.
>
> There are a lot of other prefixed names floating around the DNS. If someone
> attempted to use a client name like _spf or _sip or _domainkey or _dmarc or
> _adsp or _vouch they and their users would experience an eternity of pain
> from name collisions.
Only if there are TLSA records for those names.
--
Viktor.
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