We just put an asa5505 vpn/firewall. This device is new to us. We need to setup an access-list that will allow the inside network (192.168.1.x) to send emails only, but deny any traffic from the internet back to this network or any other traffic for the inside network to the internet (like browsing, etc). The only thing we allow from the outside is to vpn to this network. Could someone help us with this. Please provide detail.