function sendEmail(toEmail,toUser,cbNewPass){
    var nodemailer = require('nodemailer');
    var handlebars = require('handlebars');
    var fs = require('fs');
    var readHTMLFile = function (path, callback) {
        fs.readFile(path, {
            encoding: 'utf-8'
        }, function (err, html) {
            if (err) {
                throw err;
                callback(err);
            } else {
              callback(null, html);

            }
        });
    };
    readHTMLFile(__dirname + "/emailTemplate.html", function (err, html) {
        var to = toEmail;
        var subject = "reset password";
        var template = handlebars.compile(html);
        var text = "";
        var replacements = {
            username: toUser,
            newPassword: function () {
                var possible = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
                for (var i = 0; i < 5; i++)
                    text += possible.charAt(Math.floor(Math.random() * possible.length));
                return text;
            }
        };
        var htmlToSend = template(replacements);
        var smtpConfig = {
            service: 'Gmail',
            auth: {
                user: '1994.avg@gmail.com',
                pass: 'ilovego@1A'
            }
        };
        var transporter = nodemailer.createTransport(smtpConfig);
        var mailOptions = {
            from: '"Password reset Team" <testmailsapient2018@gmail.com>', // sender address
            to: to,
            subject: subject,
            text: 'Hello world ?',
            html: htmlToSend
        };

        transporter.sendMail(mailOptions, function (error, info) {
            if (error) {
               cbNewPass(error);
            } else {
                 console.log(text);
                console.log(toEmail+" "+toUser );
                cbNewPass({
                    newPassword:text,
                    info:info.response
                })
            }
        });
    });
}
var info=sendEmail("spanchal@sapient.com","neelesh",function(data){
    return data;
});