The Cisco Cloud Email Security, McAfee Anti-Virus Add-on is a subscription license designed for 1 user over a 3-year period. This software solution ensures that your email is safeguarded against viruses and other malicious threats, providing peace of mind for users. With a volume licensing option available for organizations with 500,000 to 999,999 users, this add-on is delivered electronically, making it easy to deploy and manage. The 3-year validation period guarantees that your software remains active and effective, ensuring continuous protection for your email communications.