On Mon, 17 Sep 2001, Greg A. Woods wrote:
> I really don't know what's going to happen for SMTP over IPv6. RFC 2821
> still doesn't mention IPv6 w.r.t. DNS (only w.r.t. literal address
> representation). Domain names are still only referred to in terms of MX
> and A records and there is no mention anywhere of AAAA records. I know
> what the logical thing to do is, but it would be nice to see some of the
> inticracies spelled out in an RFC. Even RFC 2893 makes no mention of
> SMTP (though it does suggest "A6" will supplant "AAAA" records).
1. At the recent IETF meeting in London, that last suggestion was reversed.
I now expect A6 records to die a quiet death, and have commented out
their support in the latest Exim.
2. See draft-ietf-ngtrans-ipv6-smtp-requirements-01.txt for a current
proposal on SMTP and IPv6. Basically, it explicitly lays down what is
(IMHO) the common sense, "obvious" approach.
--
Philip Hazel University of Cambridge Computing Service,
ph10@??? Cambridge, England. Phone: +44 1223 334714.
