index.js

const post = {name: results.name, email: results.email, subject: results.subject, message: results.message},
  transporter = nodemailer.createTransport({
    service: 'Gmail',
    host: 'myhost.com',
    port: 80,
    secure: true,
    auth: {
      user: 'myemail@gmail.com',
      pass: 'mypassword'
    }
  }),
  mailOptions = {
    from: 'sender@gmail.com',
    to: 'receiver@gmail.com',
    subject: 'You received a new message at !',
    text: `Name: ${results.name} \n\nEmail: ${results.email} \n\nSubject: ${results.subject} \n\nMessage: ${results.message}`,
    html: ''
  }
  transporter.sendMail(mailOptions, (error, info) => {
    if (error) {
      console.log(error)
    } else {
      console.log('Message sent: ' + info.response)
    }
  })