无效的登录：535个用户info@xxx.xxx已被限制

Question

我已经创建了用于发送邮件的节点API，但是当我触发该API时，出现错误无效登录。我在GoDaddy中有一个电子邮件帐户。

UnhandledPromiseRejectionWarning：未处理的承诺拒绝（拒绝ID：1）：错误：无效的登录名：535用户信息@xxxx已被限制。

我的代码如下：

app.post("/mail", function(req, res) {
  console.log("Server started.........");
  var email = req.body.email;
  var name = req.body.name;
  var msg = req.body.subject;

  console.log(email);
  console.log(name);
  console.log(msg);

  var mail_to = "info@xxxx.xxx";
  var text_fun = "Email-Id: " + email + "\n" +
                 "Name : " + name +"\n" +
                 "Message : " + msg +"\n";

  var subject_fun = conf.subject;

  mailSend(mail_to, text_fun, subject_fun).then((info, error) => {
      console.log(error);
      console.log("here");
      console.log(info);

      if (error) {
          console.log(error);
          return false;
        }
        console.log("here");
  });
});

function mailSend(mail_to, text_fun, subject_fun = conf.subject) {
  console.log("mailsend fucntion.....");

  var Mail = nodemailer.createTransport({
    service: "Godaddy",
    host: "smtpout.secureserver.net",
    secureConnection: true,
    requireTLS: false,
    tls: { cipher: "SSLv3" },
    port: 465,
    auth: {
      user: "info@xxxx.xxx",
      pass: "xxxxxxxxxx"
    }
  });

  let mailSetup = {
    from: conf.from_mail,
    to: mail_to,
    subject: subject_fun,
    text: text_fun
  };

  // return Mail.sendMail(mailSetup);

  return new Promise((resolve, reject) => {
    Mail.sendMail(mailSetup, (err, data) => {
      if (err) {
        return reject(err);
      } else {
        return resolve(data);
      }
    });
  });
}

我不知道为什么我会收到此错误，有人可以帮助我。