[ietf-dkim] Issue 1576: Revise wildcard discussion

[John Levine]

>>> "ADSP records always start with 'dkim=', syntax:
> 
>> There aren't enough bulldozers in the world to drain
>> this swamp.
>
>s/always/MUST/ is a cheap bulldozer.

Actually, I was referring to the swamp of prefixed TXT records.  As I
noted before, adding a prefix isn't the hard part, managing a
potentially unlimited sinkhole full of them is.

R's,
John

PS: SPF, being only experimental, isn't an interesting precedent.  A
reserved RR type doesn't make it any less experimental.