Sedhumadhavan Parthasarathy1:
> Hi All,
>
> Our primary outbound mail is configured in postfix MTA. We would like to
> set a secondary outbound mail server on DR sitee.
With all Postfix versions, you would set relayhost to a name that
resolves to multiple IP addresses (in DNS or /etc/hosts). In my
first 10+ years in IBM I had:
relayhost = $mydomain
i.e. use the MX records for the local domain.
Later I had to change that to
relayhost = [na.relay.ibm.com]
i.e. use the A records for a regional mail cluster.
> Will it possible to configure secondary outbound mail server on Postfix ?
> Postfix will have high availability functionality ?
Having multiple servers helps.
With Postfix 3.0.0 you could use this:
sender_dependent_relayhost_maps = randmap:{[host1], [host2]}
You could even list host1 and host2 different numbers of times
to get a load split different from 50/50.
Wietse
>
> Cheers...
>
>
>
> Sedhumadhavan (Sedhu) Parthasarathy
>
>
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