var nodemailer = require('nodemailer');

// create reusable transporter object using the default SMTP transport
var transporter = nodemailer.createTransport({
    service: 'Gmail',
    auth: {
        user: 'info@domain.tld',
        pass: 'some password'
    }
});

// setup e-mail data with unicode symbols
var mailOptions = {
    from: '"Domain - Info" <info@domain.tld>', // sender address
    to: 'user@domain.tld', // list of receivers
    subject: 'Hello, test mail', // Subject line
    text: 'Hello world', // plaintext body
    html: '<b>Hello world!</b>' // html body
};

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