Simple Web form for testing receiver
ff_post_form.html
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
</head>
<form method="post" enctype="multipart/form-data" action="ff_post.php">
Enter event file: <input type="file" name="event" size="40">
Enter image file: <input type="file" name="image" size="40">
<input type="submit" value="send" name="submit">
</form>
</html>