Nodemailer 不断给我一个错误：“TypeError [ERR_INVALID_ARG_TYPE]：“chunk”参数必须是字符串类型或...”

Question

完整的错误非常长，但这里有一个片段：

    TypeError [ERR_INVALID_ARG_TYPE]: The "chunk" argument must be of type string or an instance of Buffer or Uint8Array. Received an instance of Object
    at PassThrough.Writable.write (_stream_writable.js:289:13)
    at PassThrough.Writable.end (_stream_writable.js:583:10)
    at Immediate._onImmediate (C:\Users\small\desktop\career-change\coding-round-2\portfolio-round1\recipe-app\projectv2\node_modules\nodemailer\lib
\mime-node\index.js:969:46)
    at processImmediate (internal/timers.js:456:21) {
  code: 'ERR_INVALID_ARG_TYPE'
}

这是我第一次使用 Nodemailer 或任何与此相关的电子邮件服务。我最初开始通过我的个人 Gmail 帐户使用它，然后遇到了 Gmail 阻止它的问题，因为它被认为是一个不太安全的应用程序。因此，我更改了电子邮件设置，以允许从不太安全的应用程序进行访问。然后我开始收到这个错误。

我还尝试使用https://ethereal.email/自动生成电子邮件测试帐户，这样我就可以避免使用 gmail，以防万一出现问题。

这是我的节点邮件程序代码：

const express = require("express");
const router = express.Router();
const bodyParser = require("body-parser");
const nodemailer = require("nodemailer");

router.post("/contact", (req, res) => {
  const output = {
    msg: `You have a new contact request from ${req.body.name}`,
    userEmail: req.body.userEmail,
    subject: req.body.subject,
    message: req.body.message,
  };
  console.log(res);

  // create reusable transporter object using the default SMTP transport
  let transporter = nodemailer.createTransport({
    host: "smtp.ethereal.email",
    port: 587,
    auth: {
      user: "ida.pollich73@ethereal.email",
      pass: "JPtPvputy6n8JBzYe2",
    },
  });

  let mailOptions = {
    from: '"Nodemailer Contact" <mypersonalaccount@gmail.com>', // sender address
    to: "differentpersonalaccount@gmail.com", // list of receivers
    subject: "Node Contact Request", // Subject line
    text: output, // plain text body
    html: output, // html body
  };

  // send mail with defined transport object
  transporter.sendMail(mailOptions, (error, info) => {
    if (error) {
      return console.log(error);
    } else {
      console.log(info);
    }
    res.send("email sent");
    console.log("Message sent: %s", info.messageId);
    // Message sent: <b658f8ca-6296-ccf4-8306-87d57a0b4321@example.com>

    // Preview only available when sending through an Ethereal account
    console.log("Preview URL: %s", nodemailer.getTestMessageUrl(info));
    // Preview URL: https://ethereal.email/message/WaQKMgKddxQDoou...
  });
});

module.exports = router;

有人知道这个错误意味着什么吗？如果您需要更多信息，请告诉我。

Answer 1

我认为问题在于回报。您必须 JSON.stringify(error) 并从 sendMail 获取错误！