– Spam Control
http://www.symantec.com/docs/TECH90043
– New Deployment
http://www.symantec.com/docs/TECH122730
– Deployment and Administration of Virtual Appliances
http://www.symantec.com/docs/TECH165030
– Performance
http://www.symantec.com/docs/TECH89920
How to enable Customer-specific rules: