$request_dr = $mdn_user_support && !empty($orig_header->drnt) ? '1' : '0';
/* remember the references and in-reply-to headers in case of an reply */
$request_dr = $mdn_user_support && !empty($orig_header->drnt) ? '1' : '0';
/* remember the references and in-reply-to headers in case of an reply */
$composeMessage->rfc822_header->more_headers['References'] = $orig_header->references;
$composeMessage->rfc822_header->more_headers['In-Reply-To'] = $orig_header->in_reply_to;
// rewrap the body to clean up quotations and line lengths
$composeMessage->rfc822_header->more_headers['References'] = $orig_header->references;
$composeMessage->rfc822_header->more_headers['In-Reply-To'] = $orig_header->in_reply_to;
// rewrap the body to clean up quotations and line lengths
$rfc822_header->more_headers['Return-Receipt-To'] = $from->mailbox.'@'.$from->domain;
} elseif (isset($rfc822_header->more_headers['Return-Receipt-To'])) {
unset($rfc822_header->more_headers['Return-Receipt-To']);
$rfc822_header->more_headers['Return-Receipt-To'] = $from->mailbox.'@'.$from->domain;
} elseif (isset($rfc822_header->more_headers['Return-Receipt-To'])) {
unset($rfc822_header->more_headers['Return-Receipt-To']);