Get some karma - help a noob with RT-N66U firewall

[choochoo]

I recently acquired an Asus RT-N66U, and had someone help setup an email app on a server behind router. He said that "connection from server inside to server outside port 25 is what we need". I have no idea where/how to do this.

For anyone that knows and would be so kind to respond, we can assume my server's private ip is: 192.168.125, external ip: 89.45.12.123

Thanks!

 

[RMerlin]

Outbound connections are all open, no need to configure anything on the router.

Inbound connections however require a simple port forward.

You might also need to check that your ISP doesn't block inbound port 25, or outbound port 25 to any SMTP but their own (many ISPs does that).

 

[jim769]

If you have comcast for your internet they do block port 25.