Computer viruses are one of the leading security threats to Internet-connected networks. Users can unknowingly download and launch dangerous viruses that can damage data or cause computer crashes. Viruses can also be used as delivery mechanisms for hacking tools, compromising the security of the network, even if a firewall is installed. An e-mail virus protection subscription utilizes a high-performance, anti-virus engine which checks both incoming and outgoing e-mail for viruses in real-time. This software is designed for Internet Security Appliance RouteFinder VPN model RF660VPN.