I tried to help with the IPv4 and IPv6 selection complexity process:
http://datatracker.ietf.org/doc/draft-martin-smtp-target-host-selection-ipv4-IPv6/

but not enough people with IPv6 mail experience (or interested) to make the
draft progress

On Wed, Jun 24, 2015 at 6:09 PM, SM <[email protected]> wrote:

> Hi Kurt,
> At 01:16 17-06-2015, Kurt Jaeger wrote:
>
>> 5.1. Locating the Target Host
>>
>> can be read that MX records have preference, but it explizitly avoids
>> mentioning "A or AAAA" records if no MX is found. The sentence:
>>
>> [...]
>>    If an empty list of MXs is returned,
>>    the address is treated as if it was associated with an implicit MX
>>    RR, with a preference of 0, pointing to that host.
>> [...]
>>
>> implies a A/AAAA DNS query, but does not explicitly state so.
>>
>
> That section explains how to locate the target host.  The section also has
> the following:
>
>   'the "implicit MX" rule above applies only if there are no
>    MX records present'
>
> Regards,
> -sm
>
> _______________________________________________
> mailop mailing list
> [email protected]
> http://chilli.nosignal.org/mailman/listinfo/mailop
>
_______________________________________________
mailop mailing list
[email protected]
http://chilli.nosignal.org/mailman/listinfo/mailop

Reply via email to