java实现发送邮件

下文需要打开自己邮箱授权码,很简单，网易邮箱 详见https://jingyan.baidu.com/article/8ebacdf065a1f149f65cd5b5.html

腾讯邮箱详见  https://jingyan.baidu.com/article/90895e0f2af42664ec6b0b14.html

package com.didispace;

import javax.mail.Message;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import java.util.Properties;

public class SendMail {
    public static void main(String[] args) throws Exception {
        Properties prop = new Properties();
        prop.setProperty("mail.transport.protocol", "smtp"); //协议
        prop.setProperty("mail.smtp.host", "smtp.163.com"); //主机名
        prop.setProperty("mail.smtp.auth", "true"); //是否开启权限控制
        prop.setProperty("mail.debug", "true"); //返回发送的cmd源码
        Session session = Session.getInstance(prop);
        Message msg = new MimeMessage(session);
        msg.setFrom(new InternetAddress("17607183394@163.com")); //自己的email.即发件箱
        InternetAddress[] adds = new InternetAddress[2];        //群发邮件
        adds[0] = new InternetAddress("963066@qq.com");      //添加需要发送的地址
        adds[1] = new InternetAddress("761568@qq.com");
        msg.setRecipients(Message.RecipientType.TO, adds);
        //msg.setRecipient(Message.RecipientType.TO, "963066@qq.com"); // 要发送的email，单独发送
        msg.setSubject("公司公开信2");//邮件标题
        msg.setText("请你于4:30到办公室开会");//邮件正文
//不被当作垃圾邮件的关键代码--Begin ，如果不加这些代码，发送的邮件会自动进入对方的垃圾邮件列表
        msg.addHeader("X-Priority", "3");
        msg.addHeader("X-MSMail-Priority", "Normal");
        msg.addHeader("X-Mailer", "Microsoft Outlook Express 6.00.2900.2869"); //本文以outlook名义发送邮件，不会被当作垃圾邮件
        msg.addHeader("X-MimeOLE", "Produced By Microsoft MimeOLE V6.00.2900.2869");
        msg.addHeader("ReturnReceipt", "1");
//不被当作垃圾邮件的关键代码--end
        Transport trans = session.getTransport();
        trans.connect("17603394@163.com", "zsq123456"); // 邮件的账号密码,密码为授权码,不是登录密码
        trans.sendMessage(msg, msg.getAllRecipients());
    }
}