Re: [Asrg] Fallback to MX

der Mouse <mouse@Rodents-Montreal.ORG> Fri, 12 February 2010 20:13 UTC

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Subject: Re: [Asrg] Fallback to MX
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> I have a theory that you will never, ever, have any reason to accept
> mail from IPv6 networks, since everyone you want to hear from will
> have an MTA or gateway on IPv4, but that is a separate argument.

Never's a long time.  I think you might be right, but only because I
expect Internet governance to implode before 6 overtakes 4 as the
default IP version.  If not for that, I would expect IPv6 to reach a
point where IPv4 is but a quaint curiosity within times I can
reasonably expect to live to see - say, the next 30 years.

When I worked in Tromsø for the second half of 2002, the house netlink
they set me up with was globally routable - but v6-only.  And that was
over seven years ago.  Adoption is going to be slower in the
world-facing-MTA space, but not so much slower that, well, see above.

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