DESC: Symantec Mail Security for Domino provides high-performance, integrated mail protection against virus threats, spam, and other unwanted content for Domino servers. With award-winning virus protection, multi-layered spam prevention, and flexible content filtering, it provides comprehensive mail security with minimal administrative overhead. Virus protection defends against new and known viruses using Symantec's extensible NAVEX antivirus technology. Attachment and subject line blocking capabilities enhance protection by providing hour-zero responses against emerging threats, and a new Mass-Mailer Cleanup feature eliminates worm-infected messages. Multi-layered spam prevention combines enhanced antispam heuristics, custom filtering rules, and multiple whitelisting techniques to maximize detections and minimize false positives.