On 15/03/2019 18:35, Mike Tubby via Exim-users wrote:
>
> On 15/03/2019 14:54, Jeremy Harris via Exim-users wrote:
>> On 15/03/2019 14:36, Mike Tubby via Exim-users wrote:
>>> Does the use of a CNAME in this case violate an RFC?
>> I've not looked hard to find one. The original RFC
>> for SRV doesn't mention CNAME.
>
> Discussion here:
>
> https://serverfault.com/questions/765743/published-srv-records-pointing-to-cname-alias-in-violation-of-rfc-2782
That wasn't this case. We had an initial lookup for
a SRV record, key starting _client._smtp.
which didn't find a SRV record but did find a CNAME
which had content _not_ starting _client._smtp
and the lookup for a SRV using that content as key
found no SRV record, either.
--
Cheers,
Jeremy