On Wed, Apr 04, 2012 at 02:02:02PM +0200, Patrick Westenberg wrote: > Timo Sirainen schrieb: > >> Another director. They're meant to connect to each others and do LB/HA. > > But what about my MTAs? How can I tell my two postfix servers that there > are two directors and it should/can use the other one if the > first is down?
We use hardware loadbalancers in front of the directors. If a director goes down, the hardware loadbalancers sees that. We also use the poolmon script to tell the directors if a certain imap server is missing. Cor