如何解决Gmail 的 Nodemailer 授权错误
我尝试将 nodemailer 连接到 gmail。更具体地说,我想将联系表格与后端连接起来。尽管多次尝试连接这两个服务,但我一直收到错误消息。将显示登录名和密码不匹配或不被接受的消息。我登录到浏览器,一切正常。我仔细遵循了将 nodemailer 连接到 gmail 的说明。这是关于允许 gmail 连接到不太安全的应用程序。我在 gmail 中关闭了双因素身份验证。不幸的是它仍然没有帮助。我的代码如下。
ContactForm.js
import React,{ useState } from "react";
const ContactForm = () => {
const [status,setStatus] = useState("Submit");
const handleSubmit = async (e) => {
e.preventDefault();
setStatus("Sending...");
const { name,email,message } = e.target.elements;
let details = {
name: name.value,email: email.value,message: message.value,};
let response = await fetch("http://localhost:5000/contact",{
method: "POST",headers: {
"Content-Type": "application/json;charset=utf-8",},body: JSON.stringify(details),});
setStatus("Submit");
let result = await response.json();
alert(result.status);
};
return (
<form onSubmit={handleSubmit}>
<div>
<label htmlFor="name">Name:</label>
<input type="text" id="name" required />
</div>
<div>
<label htmlFor="email">Email:</label>
<input type="email" id="email" required />
</div>
<div>
<label htmlFor="message">Message:</label>
<textarea id="message" required />
</div>
<button type="submit">{status}</button>
</form>
);
};
export default ContactForm;
Index.js
const express = require("express");
const router = express.Router();
const cors = require("cors");
const nodemailer = require("nodemailer");
const app = express();
app.use(cors());
app.use(express.json());
app.use("/",router);
app.listen(5000,() => console.log("Server Running"));
const contactEmail = nodemailer.createTransport({
host: 'smtp.gmail.com',port: 587,secure: false,auth: {
user: "*********@gmail.com",pass: "**********",}
});
contactEmail.verify((error) => {
if (error) {
console.log(error);
} else {
console.log("Ready to Send");
}
});
router.post("/contact",(req,res) => {
const name = req.body.name;
const email = req.body.email;
const message = req.body.message;
const mail = {
from: name,to: "",subject: "Contact Form Submission",html: `<p>Name: ${name}</p>
<p>Email: ${email}</p>
<p>Message: ${message}</p>`,};
contactEmail.sendMail(mail,(error) => {
if (error) {
res.json({ status: "ERROR" });
} else {
res.json({ status: "Message Sent" });
}
});
});
使用 Node.js 运行服务器后
Server Running
Error: Invalid login: 535-5.7.8 Username and Password not accepted. Learn more at
535 5.7.8 https://support.google.com/mail/?p=BadCredentials w4sm11053143qkd.94 - gsmtp
at SMTPConnection._formatError (D:\my-website\backend\node_modules\nodemailer\lib\smtp-connection\index.js:774:19)
at SMTPConnection._actionAUTHComplete (D:\my-website\backend\node_modules\nodemailer\lib\smtp-connection\index.js:1513:34)
at SMTPConnection.<anonymous> (D:\my-website\backend\node_modules\nodemailer\lib\smtp-connection\index.js:540:26)
at SMTPConnection._processResponse (D:\my-website\backend\node_modules\nodemailer\lib\smtp-connection\index.js:932:20)
at SMTPConnection._onData (D:\my-website\backend\node_modules\nodemailer\lib\smtp-connection\index.js:739:14)
at TLSSocket.SMTPConnection._onSocketData (D:\my-website\backend\node_modules\nodemailer\lib\smtp-connection\index.js:189:44)
at TLSSocket.emit (events.js:315:20)
at addChunk (internal/streams/readable.js:309:12)
at readableAddChunk (internal/streams/readable.js:284:9)
at TLSSocket.Readable.push (internal/streams/readable.js:223:10) {
code: 'EAUTH',response: '535-5.7.8 Username and Password not accepted. Learn more at\n' +
'535 5.7.8 https://support.google.com/mail/?p=BadCredentials w4sm11053143qkd.94 - gsmtp',responseCode: 535,command: 'AUTH PLAIN'
}
解决方法
关闭双因素授权后,您还需要关闭 Google 帐户中的设置以允许安全性较低的应用。您可以从 https://myaccount.google.com/lesssecureapps
开始然后,它会给你一个随机生成的密码,用于 Nodemailer。您的实际密码无效。
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