Barracuda Email Security Gateway - Barracuda's Email Security Gateway is a powerful antivirus filter specifically designed to identify and eliminate email-borne threats, stopping hazards before they reach the network.
OpenWrt - OpenWrt is an open-source firmware based on Linux for wireless routers
Proofpoint Email Security and Protection - Learn about Proofpoint's email security solutions that protect organizations against threats such as email fraud, phishing, spam, bulk email, and viruses.
MikroTik RouterOS - The main product of MikroTik is a Linux-based operating system known as MikroTik RouterOS.
Cisco Email Security - Cisco Email Security protects against ransomware, business email compromise, spoofing, and phishing.
pfSense - pfSense is a free and open source firewall and router that also features unified threat management, load balancing, multi WAN, and more