Ma quel form mi sembra davvero strano che funzioni... comunque ti posto un esempio trovato su google
codice HTML:
<h2>Your Title</h2>
<form action="receiving.php" method="POST">
Name:<br><input type="text" name="name" size="40" /><br><br>
Email:<br><input type="text" name="email" size="40" /><br><br>
Phone:<br><input type="text" name="phone" size="40"><br><br>
Message:<br><textarea name="message" rows="3" cols="31" > </textarea><br><br>
<input type="submit" name="submit" value="Submit" />
<br><br>
</form>
Codice PHP:
<?php
$name = $_POST['name'];
$email = $_POST['email'];
$phone = $_POST['phone'];
$message = $_POST['message'];
$from_add = "contactform@yourwebsite.com";
$to_add = "yourname@yourwebsite.com";
$subject = "Your Subject Name";
$message = "Name:$name \n Email: $email \n Phone: $phone \n
Message: $message";
$headers = "From: $from_add \r\n";
$headers .= "Reply-To: $from_add \r\n";
$headers .= "Return-Path: $from_add\r\n";
$headers .= "X-Mailer: PHP \r\n";
if(mail($to_add,$subject,$message,$headers))
{
$msg = "Mail sent";
}
print "<p> Thank you $name for your message,
we will be in contact shortly. <a href=\"index.php\">Click here</a>
to continue </p>" ;
?>
Buon lavoro