package com.lijianjun.test.wx;import javax.mail.*;import javax.mail.internet.AddressException;import javax.mail.internet.InternetAddress;import javax.mail.internet.MimeMessage;import java.util.Properties;public class Demo {    public static void main(String[] args) throws MessagingException {          String smtp="smtp.vip.163.com";          final String username="wangyi754345257@163.com";          final String password="TXJWKJAZPMEYJKXD";          Properties prop=new Properties();          //设置邮箱服务器          prop.put("mail.smtp.host",smtp);          //设置主机端口          prop.put("mail.smtp.starttls.enable",false);          prop.put("mail.smtp.port","465");          prop.put("mail.smtp.ssl.enable", true);          //是否需要用户认证          prop.put("mail.smtp.auth",true);          //是否启动TLS加密          prop.put("mail.smtp.starttls.enable",true);          //获取session实例          Session session= Session.getInstance(prop, new Authenticator() {              @Override              protected PasswordAuthentication getPasswordAuthentication() {                  return new  PasswordAuthentication(username,password);              }          });          //开启调试模式          session.setDebug(true);          MimeMessage message=new MimeMessage(session);          //设置发送方地址          message.setFrom(new InternetAddress("wangyi754345257@163.com"));          message.setRecipients(Message.RecipientType.TO, new InternetAddress[]{new InternetAddress("1436898698@qq.com")});          message.setSubject("hello","UTF-8");          message.setText("Hi 小李...","UTF-8");          Transport.send(message);    }}