可以用来获取本地的IP,并且定时自动发送到邮箱.出差在外,控制家里的电脑,不知道IP时,或者自动拨号时,IP变了,可自动获取IP发送到邮箱.-Can be used to obtain local IP, and automatically sent to the mailbox from time to time. Business trip, control your home computer, I do not know IP, or when the automatic dial-up