"The System Quick Guide" chapter aims to provide you with the simplest and clearest instructions on how to use this email system as a beginner. It allows you to quickly overview the user-friendly interface and related thoughtful functions of this system. It will guide you quickly on basic topics such as how to log in and log out of the system, how to use the email software to send and receive emails within this system, and how to retrieve emails from external mailboxes. We believe that this will definitely assist you in becoming familiar with the system in the quickest way possible and enjoy the pleasure of internet email communication.