谁有在JSP中使用JAVAMAIL发送邮件的例子？

import java.util.Properties;

import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import javax.activation.DataHandler;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.ByteArrayInputStream;
import javax.activation.DataSource;
import java.net.URL;
import java.net.URLConnection;

/**
* @(#)MailExample.java
* Copyright(c) 2004-2005, RenMai Tech.Co.,Ltd. All Rights Reserved.
*
* @author wang.li
* @version 1.0
* History:
* <author> <time> <version> <desc>
* wang.li 2005-12-21 1.0 create,modify
*/
public class MailExample {
public static void main (String args[]) throws Exception, MessagingException