简单的邮件发送程序

package javaweb;

import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.util.*;
import javax.mail.Session;
import javax.mail.internet.MimeMessage;
import javax.mail.Message;
import javax.mail.internet.InternetAddress;
import javax.mail.Transport;

public class SendMailServlet extends HttpServlet {

    private static final String CONTENT_TYPE = "text/html;charset=GB2312";
   
    //服务器SMTP的地址
    private static final String SMTP_SERVER = "192.168.0.88";
   
    //收件人的邮箱
    private static final String EMAIL_TO = "zhenqin.xu@0735jb.com";
   
    //发件人的邮箱
    private static final String FROM_EMAIL = "1234567@0735jb.com";
   
    //邮件标题
    private static final String SUBJECT = "nihao";
   
    //邮件内容
    private static final String BODY = "123456789";
   
    //Initialize global variables
    public void init() throws ServletException {
    }

    //Process the HTTP Get request
    public void doGet(HttpServletRequest request, HttpServletResponse response) throws
            ServletException, IOException {
        response.setContentType(CONTENT_TYPE);
        PrintWriter out = response.getWriter();

        try {
            Properties props = new Properties();
           
            //发送邮件的服务器类型
            props.put("mail.transport,protocel","smtp");
           
            //发送邮件的服务类型，IP地址
            props.put("mail.smtp.host",SMTP_SERVER);
           
            //发送邮件的端口
            props.put("mail.smtp.port","25");
           
            //将邮件信息转化为javamail的session类型
            Session mailSession = Session.getInstance(props);
           
            //将session包装成message
            Message msg = new MimeMessage(mailSession);
           
           
            //设置发件人邮件地址
            msg.setFrom(new InternetAddress(FROM_EMAIL));
           
            //设置收件人邮件地址
            msg.setRecipients(Message.RecipientType.TO,InternetAddress.parse(EMAIL_TO));
            InternetAddress.parse(EMAIL_TO);
           
            //设置邮件发送日期
            msg.setSentDate(new Date());
           
            //设置邮件发送内容
            msg.setText(BODY);
            for (int i = 0; i < 100; i++) {
                //开始发送
                Transport.send(msg);
            }
           
            msg.writeTo(System.out);
            out.println("邮件已经成功发送到 ： "+EMAIL_TO);
            //Session mainSession = Session.getInstance(props);
        } catch (Exception ex) {
            System.out.println("Exception : "+ex);
        }
        out.close();

    }

    //Process the HTTP Post request
    public void doPost(HttpServletRequest request, HttpServletResponse response) throws
            ServletException, IOException {
        doGet(request, response);
    }

    //Clean up resources
    public void destroy() {
    }
}