Mine

      1 <?php
      2 $to = "email@gmail.com";
      3 $backto = "skickat.html";
      4 if(isset($_POST['mail'])) {
      5         $from = $_POST['mail_from'];
      6         $subject = "Mail from contact form";
      7         $message = "Message from: ".$_POST['mail_from']."\n\n".$_POST['message'];
      8         $headers =  "From: ".$from;
      9         $headers .= "Subject: ".$subject;
     10         $headers .= "Reply-To: ".$from;
     11         $headers .= "X-Mailer: PHP/".phpversion();
     12         mail($to, $subject, $message, $headers);
     13 }
     14 header("Location: ".$backto);
     15 ?>