use nodemailer to send gmail

1. sudo npm install nodemailer

2. Import the following class to your source code

var nodemailer = require("nodemailer");

function MailPoster( to, subject, body){
	this.from = '[e-mail]';
	this.to = to;
	this.subject = subject;
	this.body = body;
}

MailPoster.prototype.send = function(){
	//create reusable transport method (opens pool of SMTP connections)
	var smtpTransport = nodemailer.createTransport("SMTP",{
	    service: "Gmail",
	    auth: {
	        user: "[e-mail]",
	        pass: "XXXXX"
	    }
	});
	
	// send mail with defined transport object
	smtpTransport.sendMail(this, function(error, response){
	    if(error){
	        console.log(error);
	    }else{
	        console.log("Message sent: " + response.message);
	    }
	    // if you don't want to use this transport object anymore, uncomment following line
	    //smtpTransport.close(); // shut down the connection pool, no more messages
	});
}

module.exports = MailPoster;

3. Usage

var MailPoster = require("./MailPoster.js");

var poster = new MailPoster("[e-mail]","hello mailposter","this is body of mail poster");
poster.send();