A method and system are disclosed for delivering a package which includes an enclosure with a door. The door includes an access code input device, which has a tilt plate for entering a code. The method and system also include a mechanism for opening and closing the door and a controller, which is in communication with the access code input device, is proximate the door and includes an access code reader for controlling the mechanism. The method also includes the step of providing a package with a delivery label attached to the package having an access code comprising dimensions for the package to be delivered. The access code further includes instructions to partially move the door only for an amount of time needed to partially open the door from a closed position or partially close the door from an open position according to the dimensions of the package to only allow passage of the package.