@CoffeeAndTech yes I agree, I have always on vpn on mobile devices, it's cumbersome to turn off vpn every time you connect to wifi, but there are advantages to having the vpn server on the back of...

@CoffeeAndTech I am running OpenVPN on a raspberry pi5.

@CoffeeAndTech NAT loopback is for NAT, OpenVPN is not NAT so that's why it doesn't work. I think it worked before but that this option has been removed, I'm a bit unsure. I'm in the same situation...

@NovaMIT Open port 25 for the mail server, then block port 25 for everyone.

@Tom_D_Kat you must upgrade to version 2.2.3 first or it will fail

@Matze78