本段程序实现java通过exchange协议发送和接收邮件功能。实现了发送邮件、接收未读邮件和已读邮件的功能。采用微软官方提供的EWSJavaAPI_1.2.jar包完成此项功能。-This paragraph java program to send and receive e-mail functionality through exchange agreements. Implements send messages, read e-mail messages and unread feature receiver. Microsoft' s official adoption EWSJavaAPI_1.2.jar package provides complete this function.