email script

<?php@$email = addslashes($_POST['email']);@$name = addslashes($_POST['name']);@$subject = addslashes($_POST['subject']);@$contactNo = addslashes($_POST['contactNo']);@$message = addslashes($_POST['message']);if (! ereg('[A-Za-z0-9_-]+\@[A-Za-z0-9_-]+\.[A-Za-z0-9_-]+', $email)){die("<p align='center'><font face='Courier New' size='3' color='#000000'>Please enter a valid email</font></p>");}if (strlen($name) == 0 ){die("<p align='center'><font face='Courier New' size='3' color='#000000'>Please enter a valid name</font></p>");}if (strlen($subject) == 0 ){die("<p align='center'><font face='Courier New' size='3' color='#000000'>Please enter a valid subject</font></p>");}if (strlen($contactNo) == 0 ){die("<p align='center'><font face='Courier New' size='3' color='#000000'>Please enter a valid contact number</font></p>");}if (strlen($message) == 0 ){die("<p align='center'><font face='Courier New' size='3' color='#000000'>Please enter a valid message</font></p>");}$pfw_header = "From: $email\n"  . "Reply-To: $email\n";$pfw_subject = "Website Query: $subject from  $name";$pfw_email_to = "info@xero.za.net";$pfw_message = "Senders Name: $name\n". "Contact Number: $contactNo\n". "\n". "Query/Message\n". "$message\n";@mail($pfw_email_to, $pfw_subject ,$pfw_message ,$pfw_header ) ; echo("<p align='center'><b><font face='@NSimSun' size='5' color='#000000'>Sending Successful.<br>We will get back to you ASAP.<br><br>Press BACK on your browser to go to the previous page.</font></b></p>");?>