Clean PHP code for mail

mail.php

<?php
$headers   = array();
$headers[] = "MIME-Version: 1.0";
$headers[] = "Content-type: text/html; charset=utf-8";
$headers[] = "From: Sender Name <sender@domain.com>";
$headers[] = "Bcc: JJ Chong <bcc@domain2.com>";
$headers[] = "Reply-To: Recipient Name <receiver@domain3.com>";
$headers[] = "Subject: {$subject}";
$headers[] = "X-Mailer: PHP/".phpversion();

mail($to, $subject, $email, implode("\r\n", $headers));