James FitzGibbon <james@???> probably said:
> > The easiest solution would be to get rid of the load balancer. Just have
> > to MX records with the same priority and the DNS does the load balancing
> > for you. I can't see the need for the load balancer for email.
>
> Not so: MX only works for other MTAs attempting to send e-mail by looking
> up MX. It does nothing for Joe ISP user who has 'smtp.isp.com' set up as
> his outbound host. The load balancer is a dual-node unit that can fail
> services over to one of the two boxes within 3 seconds of one becoming
> unresponsive for SMTP, POP, IMAP (or any other TCP service for that
> matter).
The traditional response to this is to have two A records for relay.dom.ain
When one machine is down it fails one out of two attempts and you don't
have a single point of failure :)
(and its a damn sight easier to set up).
P ... being non-optimal.
--
pir pir@??? pir@??? pir@???
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