--On Wednesday, 26 March, 2008 17:09 +0000 Tony Finch
<dot@xxxxxxxx> wrote:
>> With that change to "address record", if no MX record is
>> found, the SMTP client is required to look for DNS names with
>> either A or AAAA RRs, rather than A RRs only.
>
> There's also RFC 3974 (Jan 2005, informational) which
> recommends treating AAAA like A. The most popular MTAs
> implement this logic.
Yep. But the people who are already convinced that treating
AAAA like A is the Right Thing are, well, already convinced.
And those who aren't will probably just say "well, 3974 is
informational".
Please see comments (yours, mine, and others) on the ietf-smtp
list.
john
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