分析了现有 Ｅｍａｉｌ 系统的优缺点，提出了一种实时的 Ｅｍａｉｌ 来信通知系统的实现方案，并给出了系统框图，最后针对具体的软硬件环境，阐述了系统的实现方法。 This paper analyzes the advantages and disadvantages of the existing E-mail system, and presents a real-time E-mail letter notification system implementation plan, and gives the system block diagram. Finally, based on the specific hardware and software environment, elaborated the system realization method.