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Re: Last Call: draft-klensin-rfc2821bis

2008-03-31 04:59:04
On Sat, 29 Mar 2008, John Levine wrote:

Getting rid of the AAAA fallback flips the default to be in line with
reality -- most hosts don't want to receive mail directly, so if
you're one of the minority that actually does, you affirmatively
publish an MX to say so.

I agree that this is the right thing to do in an ideal world.

However there's a lot of old running code out there that implements the
AAAA fallback. Is IPv6 still enough of a toy that the stability of its
specifications doesn't matter?

Tony (in two minds).
-- 
f.anthony.n.finch  <dot(_at_)dotat(_dot_)at>  http://dotat.at/
ROCKALL MALIN: SOUTHERLY VEERING WESTERLY, 4 IN MALIN AT FIRST, OTHERWISE 7 TO
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