email.js

'use strict';

var nodemailer = require('nodemailer');

// Create a SMTP transporter object
var transporter = nodemailer.createTransport({
  host: '127.0.0.1',
  port: 2500,
  secure: false,
  debug: true
});

console.log('SMTP Configured');

// Message object
var message = {
  from: 'Sender Name <sender@example.com>',

  // Comma separated list of recipients
  to: '"Receiver Name" <receiver@example.com>',

  // Subject of the message
  subject: 'Nodemailer is unicode friendly ✔',

  headers: {
    'X-Project': 'foo',
    'X-User': 'butko'
  },

  html: '<p><b>Hello</b> to myself <img src="cid:note@example.com"/></p>' +
  '<p>Here\'s a nyan cat for you as an embedded attachment:<br/><img src="cid:note2@example.com"/></p>',

  attachments: [
    {
      filename: 'image.png',
      content: new Buffer('iVBORw0KGgoAAAANSUhEUgAAABAAAAAQAQMAAAAlPW0iAAAABlBMVEUAAAD/' +
        '//+l2Z/dAAAAM0lEQVR4nGP4/5/h/1+G/58ZDrAz3D/McH8yw83NDDeNGe4U' +
        'g9C9zwz3gVLMDA/A6P9/AFGGFyjOXZtQAAAAAElFTkSuQmCC', 'base64'),
      cid: 'note@example.com' // should be as unique as possible
    },
    {
      filename: 'image.png',
      content: new Buffer('iVBORw0KGgoAAAANSUhEUgAAABAAAAAQAQMAAAAlPW0iAAAABlBMVEUAAAD/' +
      '//+l2Z/dAAAAM0lEQVR4nGP4/5/h/1+G/58ZDrAz3D/McH8yw83NDDeNGe4U' +
      'g9C9zwz3gVLMDA/A6P9/AFGGFyjOXZtQAAAAAElFTkSuQmCC', 'base64'),
      cid: 'note2@example.com' // should be as unique as possible
    }
  ]
};

console.log('Sending Mail');
transporter.sendMail(message, function(error, info) {
  if (error) {
    console.log('Error occurred');
    console.log(error.response);
    return;
  }
  console.log('Message sent successfully!');
  console.log('Server responded with "%s"', info.response);
});