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Re: Defaulting to no mail

2008-03-30 09:21:15

Getting rid of the AAAA fallback flips the default to be in line with

Flipping any 20-year default for an global installed base should be
pursued with an assumption that it won't work, not that it will.

Sure, but what's the installed base?  There's a presumably large set
of hosts accepting mail via A records.  There's no hosts accepting
mail via AAAA records.

Nobody's suggesting that we get rid of default to A.  That would have
had to happen in 1988.