535 Authentication Credentials Invalid in Node.js - node.js

Question

I am using node mailer with smtp-pool to sending Mail When I run the app I get this error.
my user and pass and host every thing is right but i face this error.
email.js
const nodemailer = require("nodemailer");
var smtpPool = require('nodemailer-smtp-pool');
const sendEnquiryEmail = function (enquiryData) {
let FromUserName = 'Chat2cars';
nodemailer.createTestAccount((err, account) => {
var transporter = nodemailer.createTransport(smtpPool({
host: 'smtp.gmail.com',
port: 587,
auth: {
user: 'user#gmail.com',
pass: 'mypass'
},
maxConnections: 5,
maxMessages: 10
}));
module.exports = {
sendEnquiryEmail: sendEnquiryEmail
}
And i face this Error
Error: Invalid login: 535 Authentication Credentials Invalid
at SMTPConnection._formatError (D:\CHAT_CAR\Node\node_modules\smtp-connection\lib\smtp-connection.js:528:15)
at SMTPConnection._actionAUTHComplete (D:\CHAT_CAR\Node\node_modules\smtp-connection\lib\smtp-connection.js:1231:30)
at SMTPConnection.<anonymous> (D:\CHAT_CAR\Node\node_modules\smtp-connection\lib\smtp-connection.js:319:22)
at SMTPConnection._processResponse (D:\CHAT_CAR\Node\node_modules\smtp-connection\lib\smtp-connection.js:669:16)
at SMTPConnection._onData (D:\CHAT_CAR\Node\node_modules\smtp-connection\lib\smtp-connection.js:493:10)
at TLSSocket.emit (events.js:210:5)
at addChunk (_stream_readable.js:308:12)
at readableAddChunk (_stream_readable.js:289:11)
at TLSSocket.Readable.push (_stream_readable.js:223:10)
at TLSWrap.onStreamRead (internal/stream_base_commons.js:182:23) {
code: 'EAUTH',
response: '535 Authentication Credentials Invalid',
responseCode: 535,
command: 'AUTH PLAIN'
}```

Answer 1

Solutions in order of likelihood to help.
Double check you have the correct password 😊
Check if the user has 2fa enabled if so you will need an apps password
Check your Captcha loc
Look into Xoauth2