var http=require("http");
var nodemailer=require("nodemailer");

http.createServer(function(req,res){
     res.writeHead(200, {"Content-Type": "text/plain"});
     var transporter = nodemailer.createTransport('SMTP',{
    service: 'gmail',
    auth: {
        user: 'myemail@gmail.com', // my mail
        pass: 'mypassword'
    }
});
var mailOptions = {
    from: 'Fred Foo ✔ <foo@blurdybloop.com>', // sender address
    to: 'myemail@gmail.com', // the same mail = want to send it to myself
    subject: 'Hello ✔', // Subject line
    text: 'Hello world ✔', // plaintext body
    html: '<b>Hello world ✔</b>' // html body
};
    transporter.sendMail(mailOptions, function(error, info){
    if(error){
        return console.log(error);
    }
    console.log('Message sent: ' + info.response);

});
    res.end("hllo");
}).listen(4000)

{ [AuthError: Invalid login - 534-5.7.14 <https://accounts.google.com/ContinueSi
gnIn?sarp=1&scc=1&plt=AKgnsbtWV
534-5.7.14 FHw6FqlXkg3nIQW7AtsO7o0r-4EtD7eTtnrgHeXxeULYqUtHjrnTB9R647mlR7GY9Z4lS
z
534-5.7.14 WuzYYnNwNBjIyrjNzHk-o9sIV_vIsbjgF5HsFPtJl5S0dSf3eyNCX_E8tQ_Z6s4Z1mUe5
i
534-5.7.14 p8Y5YagzdN5RSkjpB1yTu3TfWHSTLisczIZphhLfhlz-v86tAB8MX-4jRqA51hfJYy0ko
F
534-5.7.14 qytMeIbs1kUZEJzPIabmjRi87DIk> Please log in via your web browser and
534-5.7.14 then try again.
534-5.7.14  Learn more at
534 5.7.14  https://support.google.com/mail/answer/78754 cx1sm17733852wib.0 - gs
mtp]
  name: 'AuthError',
  data: '534-5.7.14 <https://accounts.google.com/ContinueSignIn?sarp=1&scc=1&plt
=AKgnsbtWVrn534-5.7.14 FHw6FqlXkg3nIQW7AtsO7o0r-4EtD7eTtnrgHeXxeULYqUtHjrnTB9R
647mlR7GY9Z4lSzr534-5.7.14 WuzYYnNwNBjIyrjNzHk-o9sIV_vIsbjgF5HsFPtJl5S0dSf3ey
NCX_E8tQ_Z6s4Z1mUe5irn534-5.7.14 p8Y5YagzdN5RSkjpB1yTu3TfWHSTLisczIZphhLfhlz-v
86tAB8MX-4jRqA51hfJYy0koFrn534-5.7.14 qytMeIbs1kUZEJzPIabmjRi87DIk> Please log
 in via your web browser andrn534-5.7.14 then try again.rn534-5.7.14  Learn
more atrn534 5.7.14  https://support.google.com/mail/answer/78754 cx1sm1773385
2wib.0 - gsmtp',
  stage: 'auth' }

var smtpTransport = require('nodemailer-smtp-transport');

var transport = nodemailer.createTransport(smtpTransport({
    service: 'gmail',
    auth: {
        user: 'myemail@gmail.com', // my mail
        pass: 'mypassword'
    }
}));

var transporter = nodemailer.createTransport({
  host: 'smtp.gmail.com',
  port: 587,
  secure: false, // secure:true for port 465, secure:false for port 587
  auth: {
    user: 'xxxx@gmail.com',
    pass: 'xxxx'
  }
});