The all-in-one Cisco Email Security Appliance offers simple, fast deployment, with few maintenance requirements, low latency, and low operating costs. The set-and-forget technology frees your staff after the automated policy settings go live. Threat intelligence data is refreshed in the email appliance every three to five minutes, providing you with a threat defense response hours or days before other vendors. Smooth integration with your existing infrastructure makes this appliance an excellent fit for your business needs The Cisco Email Security Virtual Appliance significantly lowers the cost of deploying email security, especially in highly distributed networks. This appliance lets your network manager create instances where and when they are needed, using your existing network infrastructure.