java如何实现后台自动发邮件功能

文件

mailsenderservlet

SenderServlet

server

port

25

address

username

username

password

******

validate

true

time

5

1

servlet:

package l;

import let.*;

import .*;

import .*;

public class MailSenderServlet

extends HttpServlet {

private MailSender sender;

private Thread t;

public void init() throws ServletException {

sender = new MailSender();

oot(root);

String server = getInitParameter("server");

String port = getInitParameter("port");

String address = getInitParameter("address");

String user