监控POP3上的电子邮件收发，属Windows网络数据检测类学习型源码。-POP3 e-mail on monitoring transceiver is Detected Windows network data source type of learning.

IE代理服务器设置的源码，对于学习检测网络连接状态、获取代理、设置代理有很大帮助-IE proxy Settings source, to detect the network connection, learning for agency, set agency has very great help