var message = {
                from: "Charj.com Info <" + config.mailer.email + ">",
                to: user.email,
                subject: 'Survey finished',
                html: text
            };

            var transport = nodemailer.createTransport({
                service: 'Gmail',
                auth: {
                    user: config.mailer.email,
                    pass: config.mailer.password
                }
            });

            transport.sendMail(message, function (error) {
                if (error) {
                    console.log('Error occured');
                    console.log(error);
                    return cb(error);
                }
                cb(null, true);
            });