Michael Maymann:
> If RoundRobin is best practise/preferred solution, should I then do:
>
> ; zone file fragment
> IN MX 10 mail.example.com.
> ....
> mail IN A 192.168.0.4
> IN A 192.168.0.5
> IN A 192.168.0.6
>
> or
>
> ; zone file fragment
> IN MX 10 mail.example.com.
> IN MX 10 mail1.example.com.
> IN MX 10 mail2.example.com.
> ....
> mail IN A 192.168.0.4
> mail1 IN A 192.168.0.5
> mail2 IN A 192.168.0.6
>
> I think I would prefer the first solution - as a single hostname can be
> distributed to "endusers".
MX lookups are for MTAs, end-user mail clients should connect
to the A record on port 587.
Wietse
