MX costs for Mail Servers.

[Stephane Bortzmeyer]

On Fri, Dec 16, 2005 at 02:08:20PM +0530,
 Manjunath H N <Manjunath.hn at mphasis.com> wrote 
 a message of 16 lines which said:

> what is the best practice for such a scenario.

The best practice is to have only one MX (or may be two, both
in-house). Unless of course you are hotmail.com or aol.com.

Several MX means more work (to synchronize their anti-spam and other
filtering rules) and not more reliability (since the sender spools and
retries).