how to get the alias (diff hostname than the actual) in mail alert?

list Deepak Deore
Thu, 25 Apr 2013 23:05:12 +0530
Message-Id: <user-dd5c055e36be@xymon.invalid>

we are using NAME for the odd hostnames on amazon EC2,

NAME:server01-prod

But when we get the mail alerts, the actual servername comes which is
confusing, how can we set the same name of the host in mail which is set in
NAME option in hosts.cfg.

Thanks,
Deepak