We are currently updating CPANEL because of security issues, to avoid any exploits on the servers. 
All servers have been updated.

EMAIL ACCOUNTS
During the upgrade all email accounts will be converted to a new structure, which will speed up the handling of emails.
This new updates should reduce server loads resulting in faster access times, as the method of dealing with emails has been improved.

To get an overview of what the new features are take this link:-

http://www.cpanel.net/products/cPanelandWHM/linux/cpanel11/performance.htm

Any issues please contact us.

http://www.nzservers.com/new/fastpage/fpengine.php/templateid/20

Regards Mike Wilkinson