Ken N:
> Hello
>
> Given my domain has this two MXes:
>
> example.us. 299 IN MX 5 mx-1.example.com.
> example.us. 299 IN MX 5 mx-2.example.com.
>
> Do you think if I can setup a rule to tell any peer MTA that:
>
> Messages for [email protected] will go to mx-1.example.com.
> Messages for [email protected] will go to mx-2.example.com.
There is no such feature in DNS that I know of.
Instead, install aliases or transport maps on each MX host, so that
user_a is routed to the 'right' server. This could be a use case
for LDAP.
Wietse