Untitled

<html>
  <head>
    <title> Hier ein Glücklicher Kunde </title>
  </head>

<body>

<form action="" method="post">
  <label for="message" > Deine Nachricht: </label>
  <input id="message" name="message" maxlength="100">
<br>
<br>
<label for="email" > An folgende E-Mail Adresse: </label>
  <input id="email" name="email" maxlength="100" type="email"  >
  <br>
  <br>

  <label for="subject"> Betreff: </label>
  <input id="subject" name ="subject" maxlength="100" >
<br>
<br>
<br>
<button type="submit" name="sub" value="call">Send</button>

  </form>
</body>
</html>


<?php

if (isset ($_POST['sub'] ))
{
  $to = $_POST ['email'];

  $subject = $_POST ['subject'];

  $message = $_POST['message'];

$headers = 'From: test@saraho.localdomain' . "\r\n" .
    'Reply-To: test@saraho.localdomain' . "\r\n" .
    'X-Mailer: PHP/7.2' . phpversion();


    mail($to, $subject, $message, $headers);
    }

    ?>