Critical Path for mail platform. Critical Path's technology powers Mail platform for the world's leading service providers.
More info: http://www.criticalpath.net

Symantec (Brightmail) for server side anti-spam, virus and blacklist system and security control.
More info: http://www.symantec.com

Sun for storage. Sun protect and manage more digital archived data around the world than anyone else. More info: http://www.sun.com

Netapp for storage. NetApp offers highly available, scalable storage consolidation solutions. More info:

http://www.netapp.com