console.log('* [example1] sending test email');

// Require the module and set default options
// You may use almost any option available in nodemailer, 
// but if you need fine tuning I'd recommend to consider using nodemailer directly.
var send = require('gmail-send')({
  user: '[email protected]',               // Your GMail account used to send emails
  pass: 'abcdefghijklmnop',             // Application-specific password
  to:   '"User" <[email protected]>',      // Send back to yourself
  // from:   '"User" <[email protected]>'  // from: by default equals to user
  // replyTo:'[email protected]'           // replyTo: by default undefined
  subject: 'test subject',
  text:    'test text'
  // html:    '<b>html text text</b>'
});

var file = './demo-attachment.txt';        // File to attach

// Override any default option and send email
send({                         
  subject: 'attached '+file,   // Override value set as default 
  files: [file]                // String or array of strings of filenames to attach
}, function (err, res) {
  console.log('* [example1] send(): err:', err, '; res:', res);
});

console.log('* [example2] sending test email');

var send = require('gmail-send')({
  user: credentials.user,           // Your GMail account used to send emails
  pass: credentials.pass,           // Application-specific password
  to:   credentials.user,           // Send to yourself
  subject: 'ping',
  text:    'gmail-send example 2'   // Plain text
})();                               // Send without any check