title: access-control-allow-origin error when executing ajax request
body: <p>I get the <code>Cross origin request denied</code> error.</p>
  
  <p>Here's what I tried</p>
  
  <pre><code> var data_send = JSON.stringify({
    "email_to": "mati.cazas99@gmail.com",
    "name_to": "mati",
    "subject": "hola"
  });
  
  var settings = {
    "async": true,
    "crossDomain": true,
    "url": "https://webhook.site/36abc701-73f2-41bb-9db5-2a38c40c5c29",
    "method": "POST",
    "headers": {
      "Content-Type": "application/json"
    },
    "processData": false,
    "data": data_send
  }
  
  $.ajax(settings).done(function (response) {
    console.log(response);
  });
  </code></pre>
  
  <p>I have tried everything, but I can't solve it.</p>
  
  <p>Please help me to solve it.</p>