JavaWeb 发送 激活邮件功能

   //发送激活邮件

            Properties prop = new Properties();
            prop.setProperty("mail.transport.protocol", "smtp");
            prop.setProperty("mail.smtp.host", "smtp.qq.com");
            prop.setProperty("mail.smtp.auth", "true");
            prop.setProperty("mail.debug", "true");
            //腾讯邮箱需要下面3个代码开启ssl 安全认证
            prop.setProperty("mail.smtp.socketFactory.class", "javax.net.ssl.SSLSocketFactory");
            prop.setProperty("mail.smtp.port", "465");
            prop.setProperty("mail.smtp.socketFactory.port", "465");
            Session session = Session.getInstance(prop);
            Message msg = new MimeMessage(session);
            msg.setFrom(new InternetAddress("[e-mail]"));//这里是发信人
            msg.setRecipient(MimeMessage.RecipientType.TO, new InternetAddress("这里填写收信人邮箱");
            msg.setSubject("邮件标题");
            msg.setText("邮件主题内容");
            Transport tran = session.getTransport();
            tran.connect("[e-mail]", "mgumxnxhsojhbegg");//这里的随机码 需要到qq邮箱设置中打开smtp协议开关拿到生成的随机码
            tran.sendMessage(msg, msg.getAllRecipients());