note 53508 added to function.mail

I was using this script flawlessly for quite a while..... But now a client is on earthlink, and earthlink tech support said that I have to be using PHP4..... any ideas what I can do to update this script to work with PHP4 ( script below ) - Thanks in advance. Derek <? if(!empty($HTTP_POST_VARS['sender_mail']) || !empty($HTTP_POST_VARS['sender_message']) || !empty($HTTP_POST_VARS['sender_subject']) || !empty($HTTP_POST_VARS['sender_name'])) { $to = $recipient_email; $subject = stripslashes($HTTP_POST_VARS['sender_subject']); $body = stripslashes($HTTP_POST_VARS['sender_message']); $body .= "\n\n---------------------------\n"; $body .= "Mail sent by: " . $HTTP_POST_VARS['sender_name'] . " <" . $HTTP_POST_VARS['sender_mail'] . ">\n"; $header = "From: " . $HTTP_POST_VARS['sender_name'] . " <" . $HTTP_POST_VARS['sender_mail'] . ">\n"; $header .= "Reply-To: " . $HTTP_POST_VARS['sender_mail'] . ">\n"; $header .= "X-Mailer: PHP/" . phpversion() . "\n"; $header .= "X-Priority: 1"; if(@mail($to, $subject, $body, $header)) { echo "output=sent"; } else { echo "output=error1"; } } else { echo "output=error2"; } ?> ---- Manual Page -- http://www.php.net/manual/en/function.mail.php Edit -- http://master.php.net/manage/user-notes.php?action=edit+53508 Delete: added to the manual -- http://master.php.net/manage/user-notes.php?action=delete+53508&report=yes&reason=added+to+the+manual Delete: bad code -- http://master.php.net/manage/user-notes.php?action=delete+53508&report=yes&reason=bad+code Delete: spam -- http://master.php.net/manage/user-notes.php?action=delete+53508&report=yes&reason=spam Delete: useless -- http://master.php.net/manage/user-notes.php?action=delete+53508&report=yes&reason=useless Delete: other reasons -- http://master.php.net/manage/user-notes.php?action=delete+53508&report=yes Reject -- http://master.php.net/manage/user-notes.php?action=reject+53508&report=yes Search -- http://master.php.net/manage/user-notes.php