Secure Electronic Postal Box (SEPBox) is a free electronic postal box application provided by Macao Post and Telecommunications Bureau (hereinafter CTT). After having made the registration, user will be offered a free SEPBox which enables to receive, electronically and securely, government notifications, Postal Registered electronic Mail and electronic bills, avoiding junk mail and electronic virus. Reminders are automatically defined together with electronic deliveries, assuring that important dates and activities are not forgotten.