The Cisco Cloudmark Anti-Spam subscription license provides comprehensive email security solutions tailored for businesses. This license is valid for one user and spans a three-year period, ensuring continuous protection against spam and malicious emails. Ideal for organizations looking to license multiple copies, this product falls under the volume pricing category for 4001-5000 licenses. With this subscription, users can enjoy peace of mind knowing they have access to essential security features and benefits throughout the license duration.