This article will show you a few resources for troubleshooting in Site Manager
Site Manager Help Documents:
http://helpdocs.westserver.net/v3/sitemanager/
Account Maintenance Form:
https://corp2.westhost.com/account
Separate Mailboxes For The Same User On Multiple Domains:
http://forums.westhost.com/showthread.php?12958
AWStats and Multiple Domains:
http://www.westhost.com/blog/2007/11/09/awstats-and-multiple-domains/
Updated RBLs to help fight Spam
http://forums.westhost.com/showthread.php?14002