Configure Port Forwarding for Cisco ASA 5505

Example where we are permitting all smtp traffic from Postini to reach the internal smtp mail server.

static (inside,outside) tcp interface smtp 10.10.10.5 smtp

access-list outside_to_inside extended permit tcp 64.18.0.0 255.255.240.0 interface outside eq smtp

access-group outside_to_inside in interface outside