SonicWall Comprehensive Anti-Spam Service (CASS) provides small and medium-sized businesses with comprehensive protection through SonicWall Email Security, which integrates out-of-the-box with existing SonicWall firewall appliances. CASS accelerates deployment, simplifies administration and reduces administrative burden by consolidating solutions, providing a simple one-click anti-spam service, and a full implementation in 10 minutes. CASS has full inbound spam protection, as well as other features such as anti-phishing, anti-malware, advanced reputation management, advanced content management, denial of service attack protection, full quarantine functionality, and customizable, user-specific junk summaries. CASS provides effective spam protection that detects 98% of all threats, beating RBL filtering. 80% of spam messages are already blocked at the gateway, the remaining emails are detected using Adversarial Bayesian filtering.