JustSignup Interactive Playground

The HTML on the left is interactive, you can change the elements are included and the form to the right will be updated immediately. You can change [email protected] with your actual email address and then submit the form on the right to get the submission to your mailbox. 

<div class="container">
  <h1>JustSignup Demo</h1>
  <form target="_blank" action="https://justsignup.com/[email protected]" method="POST">
    <div class="form-group">
      <div class="form-row">
        <div class="col">
          <input type="text" name="name" class="form-control" placeholder="Full Name" required>
        </div>
        <div class="col">
          <input type="email" name="email" class="form-control" placeholder="Email Address" required>
        </div>
      </div>
    </div>
    <div class="form-group">
      <textarea placeholder="Your Message" class="form-control" name="message" rows="10" required></textarea>
    </div>
    <button type="submit" class="btn btn-lg btn-dark btn-block">Submit Form</button>
  </form>
</div>

Use this service to generate a temporary email address that you can use for testing: https://mail.tm/