On 06/17/2014 11:58 PM, Jose Borges Ferreira wrote: > If you wanto to deliver do 1.2.3.4 and , if fails, then try 8.9.10.11 > then you can create a dns entry with those IP an MX > > ex: > some_entry.local IN MX 10 1.2.3.4 > some_entry.local IN MX 20 8.9.10.11 > > then setup transport_maps to: > > domain.com smtp:some_entry.local >
Nitpick: the ".local" TLD is reserved by RFC 6762, ".invalid" may be a better long-term choice.
