On Wed, 29 Jul 2020 11:00:52 -0400 (EDT), Wietse Venema stated:
>Tomas Korbar:
>> Finally,
>> This feature is useful for container deployment as you can have
>> unified configuration for multiple images.  
>
>Well, I think I solved THAT problem 20 years ago, with:
>
>    relayhost = $mydomain
>
>which nowadays might look like
>
>    relayhost = $mydomain:587
>
>or
>
>    relayhost = submission.$mydomain:587
>
>Instead of asking sites to configure an SRV record for $mydomain,
>you could ask them to configure an A record or MX record.
>
>20-year old technology may not be as sexy as implementing the support
>for an entire RFC, but it has fewer moving parts.
>
>       Wietse

+1

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