说明：  一个完整的email客户端代码 Example program from Chapter 1 Programming Spiders, Bots and Aggregators in Java Copyright 2001 by Jeff Heaton SendMail is an example of client sockets. This program presents a simple dialog box that prompts the user for information about how to send a mail.
(a complete email client code Example program from Cha pter a Programming Spiders, Bots and Aggregators in Java Copyright 2001 by J. eff Heaton SendMail is an example of client sock ets. This program presents a simple dialog box t hat prompts the user for information about how t o send a mail.)