The Cisco IronPort Systems Email Security Appliance Advanced Malware Protection is a subscription license designed for enhanced email security. This license allows one user to access advanced malware protection features for a duration of three years, ensuring that your email communications remain secure and protected from potential threats. With this subscription, budgeting for future software updates and technical support becomes easier, providing peace of mind for users. The license is categorized under volume pricing for organizations with 3000-3999 users, making it a cost-effective solution for businesses looking to safeguard their email systems.