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How to setup the pfSense firewall to route port 25 traffic to a specific machine

Written by Yves Lacombe on . Posted in Email Security & Antispam


pfSense is one of the most popular open-source firewalls available. It’s basically a fork of m0n0wall project by Chris Buechler and Scott Ullrich. It can be found on imbedded devices, servers, and as pre-configured virtual machines for various hypervisors. Many small and medium sized businesses use pfSense because of its simplicity and its dual role [...]