Actually, I can't think of the last time I've
seen ANY domain
that didn't have more than one MX record. Except for someone
trying to run a service out of their house. To do so, is... well...
Jay
Well what?
I'm on dynamic IP space with cable service and I have great uptime. I
could use a secondary MX, I have the resources to do so. Perhaps I will.
But it doesn't change the fact I have a good performance record.
Also consider that a large number of small businesses are now on dynamic
IP space and running mail servers.