Rafael Azevedo: > Thanks to Robert and Wietse, it was very clearful. By the way, if you use transport maps, then Postfix does not look up the MX hosts for the recipient domain. Instead it looks up the MX hosts for the domain in the transport map result.
If the domain in the transport map result (foo.example) has a
different MX order than recipient domain (bar.example) then the MX
order that Postfix uses does not match the MX order of the
recipient domain.
Wiete
