A mailbox with a housing, a floor and a receptacle situated on top of a sliding rail assembly affixed to the floor. A first bracket is affixed to the inside surface of the door and connected to a first U-shaped bracket with a downwardly facing open part. The two legs of the first U-shaped bracket are pivotally attached to longitudinal rods extending underneath the mailbox. The distal end of each longitudinal rod is pivotally attached to a second U-shaped bracket with a downwardly facing open part. A first end of a traveling rod extends upwardly from the lateral part of the second U-shaped bracket, and a second end of the traveling rod is attached to a shaft. A wheel bearing is situated on either end of the shaft, and a receiving bracket is attached to the rear wall of the receptacle and configured to receive the wheel bearings and shaft.