不论是Windows应用程序还是Web应用程序，实现电子邮件的收发都是常用的功能，比如要求用户以邮件方式提供反馈信息；在办公系统中定时检测用户指定的邮件，并及时提醒用户查看等。-Whether it is a Windows application or Web application, send and receive e-mail is commonly used to achieve the function, such as requiring users to provide feedback by mail　in the office system detects the user-specified e-mail regularly and timely to remind the user to view and so on.