Problems with PPTP and pop port 110

Hello, I have an EdgeRouterX, I have configured a server vpn conection through PPTP.
I can to establish a succesful conection to another computer on another site, i can browser on internet but i can't to use Microsoft Outlook, I only can to send emails but i can't to receive emails with my pop3 account on port 110... I tried to create rules but doesn't work....
I think i have to create a new ruler but i don't how to....
Thanks for your help!