Thanks for the direction, Till.
After more reading, I saw some mention of /etc/localdomains file. It seems on case-mod.com server, it showed asuslaptops.net as a localdomain. Deleting that entry from cpanel seems to have fixed the issue.
You were correct that it was a problem on that server.
Last edited by safoo; 29th November 2006 at 22:06.