后台自动发邮件 java代码

import java.util.Properties;
import javax.mail.Message;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
public class SendMail {
 /**
  * @param args
  */
 public static void main(String[] args) {
   Properties props = System.getProperties();  
         // 设置smtp服务器  
         props.setProperty("mail.smtp.host", "smtp.126.com");  
         // 现在的大部分smpt都需要验证了  
         props.put("mail.smtp.auth", "true");  
  
         Session s = Session.getInstance(props);  
         // 为了查看运行时的信息  
         s.setDebug(true);  
         // 由邮件会话新建一个消息对象  
         MimeMessage message = new MimeMessage(s);  
         try {  
             // 发件人  
             InternetAddress from = new InternetAddress("fasongren@126.com");  
             message.setfrom(from);  
             // 收件人  
             InternetAddress to = new InternetAddress("jieshouren@163.com");