On Thu, Jan 22, 2009 at 02:20:33PM -0600, Noel Jones wrote:
>> Is there another way of adding multiple addresses for transport of a
>> domain? Round robin DNS would work I guess but not as good as a failover.
>> If one of the addresses in the DNS is down the transport is going to get
>> delayed for that MX and the mailq is going to build up.
>
> Why would an address in DNS being down be any different from an address
> specified in a config file being down?
It would not. Postfix handles multipe IP addresses and/or MX hosts
robustly. If multiple servers are equally good destinations for a message
use either a logical DNS name with multiple IPs or equal weight MX hosts.
If one server is better than all the rest, use non-equal weight MX records.
--
Viktor.
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