Anti-Spam WAN Configuration

What are the requirements for enabling Comprehensive Anti-Spam Service(CASS) on appliances, in regards to WAN configuration and supported functionality.

• In order for Anti-Spam to function properly on appliances, the WAN interface must be configured with a Public IP address.
• Multiple WAN interfaces with multiple IP addresses are not supported.
• Multiple IP ranges on the same physical interface are not supported.
• Private IP addresses for WAN Interfaces are not supported.
• If a NATing device is in front of the SonicWall WAN Interface, it must be configured in Transparent Mode, so that a Public IP address can be configured on the SonicWall.