Cisco ESA PXE Encryption 3-Year License Key, 100K-249,999 Users

Keep encrypted email communications under control across a large enterprise user base with this 3-year Cisco ESA encryption license key. Sized for 100,000 to 249,999 users, it supports organizations that need a clear licensing boundary for email security operations without overbuying capacity they will not use. This entitlement is built for teams that already run Cisco Email Security Appliance environments and need to extend encryption coverage with a fixed-term license. The 3-year term helps align budgeting, renewal planning, and security governance, while the user band simplifies procurement for environments where scale matters and license precision is non-negotiable. For infrastructure and security leaders, the value is in consistency: a defined entitlement, a multi-year planning horizon, and a Cisco licensing path that fits enterprise email protection programs. It is a practical choice when the goal is to preserve encrypted message handling at scale while keeping commercial terms straightforward.