Noel Jones a écrit : > mouss wrote: >> I am trying to "collect" methods to setup postfix in an HA >> configuration, for "outbound" relay (no MUA involved). a use case is >> using multiple postfix boxes to relay mail out for one or more exchange >> servers. there are many possibilities. which one is >> "good/recommended/easy/blahblah"? This is somewhat off topic since the >> problem is mostly on the client (exchange or other) side rather than >> postfix. but I think this is a real need. and if I get enough infos, I >> can aggregate them and submit that as a howto/readme. >> >> >> > > Isn't this what MX records are for? >
well, my doubt is how exchange behaves with multiple MXes (I don't want load balancing, because one of the servers will host web applications, and should only be used if the other is not usable). Viktor suggestions look simpler than clustering/vrrp/carp/... to me (I mean from the pov of the customer ;-). Thanks to all for the feedback.