JAVA 用QQ邮箱发送邮件

public class MailTool {
    public static void main(String[] args) throws MessagingException, GeneralSecurityException {
        Properties props = new Properties();

        // 开启debug调试
        props.setProperty("mail.debug", "true");
        // 发送服务器需要身份验证
        props.setProperty("mail.smtp.auth", "true");
        // 设置邮件服务器主机名
        props.setProperty("mail.host", "smtp.qq.com");
        // 发送邮件协议名称
        props.setProperty("mail.transport.protocol", "smtp");
        //开启ssl加密
        MailSSLSocketFactory sf = new MailSSLSocketFactory();
        sf.setTrustAllHosts(true);
        props.put("mail.smtp.ssl.enable", "true");
        props.put("mail.smtp.ssl.socketFactory", sf);

        Session session = Session.getInstance(props);

        Message msg = new MimeMessage(session);
        msg.setSubject("seenews 错误");
        //设置邮件主体
        StringBuilder builder = new StringBuilder();
        builder.append("url = " + "可以发送链接");
        builder.append("\n可以发送文字");
        builder.append("\n等等等等。。。。。 " );
        msg.setText(builder.toString());
        msg.setFrom(new InternetAddress("**发送人的邮箱地址**"));

        Transport transport = session.getTransport();
        transport.connect("smtp.qq.com", "**发送人的邮箱地址**", "**你的邮箱密码或者授权码**");//授权码优先

        transport.sendMessage(msg, new Address[] { new InternetAddress("**接收人的邮箱地址**") });
        transport.close();
    }
}