A messaging system is disclosed. The system includes a communications network including a wireless access point, a messaging server coupled to the communications network, and a mobile device in communication with the communications network via an access point. The mobile device has a mobile ID associated with the device, and a program running on the mobile device from which a temporary address may be created corresponding to the mobile ID. The temporary address is useable for messaging over the communications network. The temporary address is registered with the messaging server.