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On 03/10/2011 09:09 PM, Stan Hoeppner wrote:
> Frank Bonnet put forth on 3/10/2011 9:55 AM:
>> Is it possible to configure postfix to use some round-robin
>> mechanisms to send emails with several SMTP servers ?
>> I mean to SEND emails to the external world, not to receive.
> I touched on this recently but in a different context, that being
> multiple postfix instances on one box all used as an outbound relay
> farm. You wan to use round robin DNS for this.
> What you want to accomplish is very simple. Create a DNS CNAME entry of
> something like relay-farm.your-domain.tld and point it to something like
> tractor.your-domain.tld. Then create an A record for each SMTP relay
> box's IP, with all of these A records having the name
> tractor.your-domain.tld. This should enable round robin DNS. Now,
> simply add this to main.cf:
> relayhost = relay-farm.your-domain.tld
> I think this is right. If not it's darn close.
Thanks a Stan gonna try this