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I have 3 postfix instances in my server. I am trying to configure my server in such a way that, the deffered mails in 1st instance need to be relayed to the 2nd instance. Thereby i can reduce the deferred load in my server. I have read about the smtp_fallback delay in postfix which does exactly my requirement. But i cant find any good tutorials to accomplish it. My another doubt is, Does the 2nd instance need to be with the same IP of the 1st or can it be any other ip?
Unnikrishnan
Posted 2013-12-10T12:07:32.333
Reputation: 1 193
You don't need multiple postfix instances, a not really tricky master.conf where enough. – peterh - Reinstate Monica – 2013-12-10T13:42:35.350
Can you please elaborate ? – Unnikrishnan – 2013-12-10T13:59:00.623
postfix is practically a hird of nearly-independent daemons interacting which eachother. This daemons are defined in master.cf . You can multiply these daemons - especially the smtp-listener - and assign them to different ports, with different configuration, but in the single postfix instance. That makes your administering work a lot easier. You can see an example in http://www.howtoforge.com/forums/archive/index.php/t-4788.html . It doesn't help your problem directly, only a simple suggestion (this is because I didn't write an answer).
– peterh - Reinstate Monica – 2013-12-10T15:31:11.730