handleSubmit(e) {
  e.preventDefault();
  const { url, name, email, subject, message } = this.state;
  axios.post(`${url}/sendMail`, {
    name,
    email,
    subject,
    message
   })
  .then((res) => {
    if(res.data.msg === “success”) {
      alert(“Message sent! I’ll get back to you soon.”);
      window.location = “/”;
    } else if (res.data.msg === ‘fail’) {
      alert(“Message failed to send.”);
    }
  })
}