2009/6/20 Cory Hawkless <c...@hawkless.id.au>: > In my configuration postfix receives all mail, scans and passes to back end > mail server, but I'd like to be able to send to multiple back end mail > servers either in round robin or fail over etc.
How does mail currently get from postfix to the backends? The usual way to do this is with multiple equal-weighted MX records (for round-robin). I'm assuming a "sane" setup whereby postfix finds the nexthop via usual means (eg. you're not specifying the backends using transport mappings).