Nodemailer quick setup for gmail

node-mailer.js

const nodemailer = require('nodemailer');

const transporter = nodemailer.createTransport({
  service: 'gmail',
  auth: {
    type: 'OAuth2',
    user: 'example@gmail.com',
    clientId: 'XXX',
    clientSecret: 'XXX',
    refreshToken: 'XXX'
  },
});

const mailOptions = {
    from: 'My Name <example@gmail.com>',
    to: 'test@gmail.com',
    subject: 'Hello!',
    text: 'Hello World!!'
}

transporter.sendMail(mailOptions, function (err, res) {
    if(err){
        console.log('Error');
    } else {
        console.log('Email Sent');
    }
})