Victor Duchovni said the following on 01/22/2009 12:31 PM:
On Thu, Jan 22, 2009 at 12:26:54PM -0500, Cory Coager wrote:
What is the syntax for specifying multiple addresses in transport for smtp?
Something like:
example.com smtp:[gateway1.example.com] smtp:[gateway2.example.com]
No, there is no multi-nexthop syntax in the transport table. However, with
SMTP, you are free to use names that resolve to multiple IP addresses,
or names (without []) that have multiple MX records.
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.
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