Introduced the "Brightmail" engine, which improved spam detection by roughly 20% compared to previous versions. Understanding "Trial Resets" and 180-Day Extensions
Symantec has since rebranded its products multiple times (from Norton Security back to Norton 360 in 2019). Version 4.0 is now considered End-of-Life (EoL) and is not recommended for current use. The Danger of "Trial Reset" Tools