var express = require('express');
var path = require('path');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');

var nodemailer = require('nodemailer');

var routes = require('./routes/index');
var contact = require('./routes/contact');

var app = express();

var port = process.env.PORT || 3000;

var express = require('express');
var router = express.Router();
var nodemailer = require('nodemailer');
var bodyParser   = require('body-parser');

router.get('/', function(req, res, next) {
  res.render('contactForm', { title: 'Contact' });
});

router.post('/send', function(req, res, next){
    var transporter = nodemailer.createTransport({
      service: 'Gmail',
      auth: {
        user: 'emailaddy@gmail.com',
        pass: 'myPass'
      }
})

var mailOptions = {
    from: 'myownemail@gmail.com',
    to: 'anotheremail@gmail.com',
    subject: 'Emailed',
    text: 'Here's the email: Name: ' + req.body.name + ', Email: ' + req.body.email + ', Message: ' + req.body.message,
    html: '<p>The html email</p>'
  };

  transporter.sendMail(mailOptions, function(err, info){
    if (err){
      console.log(err);
      res.redirect('/');
    } else {
      console.log('Message sent:' + info.response );
      res.redirect('/');
    }
  });

})

module.exports = router;

<form name="contactForm" method="POST" action="/send">
  <div class="contact-form">
    <div class="form-group">
      <label for="name">Name</label>
      <input type="text" class="form-control" id="name">
    </div>
    <div class="form-group">
      <label for="email">Email address</label>
      <input type="email" class="form-control" id="email">
    </div>
    <div class="form-group">
      <label for="message">Message</label>
      <textarea id="message" class="form-control" rows="3" required></textarea>
    </div>
    <button id="send_email" type="submit" class="btn btn-default hover-button">Submit</button>

  </div>
</form>