var nodemailer = require('nodemailer');

// create reusable transporter object using SMTP transport
    var transporter = nodemailer.createTransport({
    service: 'Gmail',
    auth: {
        user: 'gmail.user@gmail.com',
        pass: 'userpass'
     }
});

var data = [{age:24,name:"bob"},{age:35,name:"andy"},...];

var mailOptions = {
    from: 'foo@blurdybloop.com', // sender address
    to: 'bar@blurdybloop.com', //receiver
    subject: 'Hello', // Subject line
    text: 'Hello world', // plaintext body
    html: '<b>Hello world</b>', // html body
    attachments: [
        {
        filename: 'test.csv',
        content: data
    }
};

// send mail with defined transport object
transporter.sendMail(mailOptions, function(error, info){
if(error){
    return console.log(error);
}
console.log('Message sent: ' + info.response);
});