Ho trovato questo script di 1 unica pagina tuttavia non riesco ad integrarloè è di un altro script diverso ma invia email lavorando semplicemente sulla stessa pagina

Codice PHP:

<?php include('header.php'); if (isset($_POST['email'])){ $to $_POST['email']; $subject $_POST['subject']; $message $_POST['message']; $from $_POST['from']; $headers "From: $from"mail($to,$subject,$message,$headers); echo "<p class='success'>Email Successfully Sent ".$email."</p>"; } $email1=$_GET["e"]; ?>

<form method="post" action="contact_reply_message.php" class="f-wrap-1">

<? $myDb->connect(); $sql "SELECT * FROM yob_site WHERE id='1'"$result mysql_query($sql); $row mysql_fetch_array($result); $myDb->close(); ?>



              <fieldset>
              <h3>Send Messages</h3>
            

            <label>[b]Email:[/b]
            <input name='email' type='text' value="<?php echo $email1;?>" class="f-name"/>

            </label>
            
            
            <label>[b]From:[/b]
            <input name='from' type='text' readonly value="<? echo $row["email"]; ?>" class="f-name"/>

            </label>
            

            <label>[b]Subject:[/b]
            <input name='subject' type='text' class="f-name" value="<? echo $row["sitename"]; ?> - ">

            </label>
            

            <label>[b]Message:[/b]
            <td><textarea name="message" rows="5" maxlength="50000" onkeyup="return ismaxlength(this)" tabindex="1"></textarea></td>

            </label>


            <div class="f-submit-wrap">
            <input type="submit" value="Submit - Conferma" class="f-submit" tabindex="2" />

            </div>
            </fieldset>
            
            </form>



<? include('break.php');?>

<? include('footer.php');?>