npm install nodemailer --save

var nodemailer = require('nodemailer');// create reusable transporter object using the default SMTP transportvar transporter = nodemailer.createTransport('smtps://user%40gmail.com:pass@smtp.gmail.com');// setup e-mail data with unicode symbolsvar mailOptions = {  from: 'Fred Foo 👥 <foo@blurdybloop.com>', // sender address  to: 'bar@blurdybloop.com, baz@blurdybloop.com', // list of receivers  subject: 'Hello ✔', // Subject line  text: 'Hello world 🐴', // plaintext body  html: '<b>Hello world 🐴</b>' // html body};// send mail with defined transport objecttransporter.sendMail(mailOptions, function(error, info){  if(error){    return console.log(error);  }  console.log('Message sent: ' + info.response);});

{ [AuthError: Invalid login - 454 Authentication failed, please open smtp flag first!] name: 'AuthError', data: '454 Authentication failed, please open smtp flag first!', stage: 'auth' }

{ [SenderError: Mail from command failed - 501 mail from address must be same as authorization user] name: 'SenderError', data: '501 mail from address must be same as authorization user', stage: 'mail' }