From ea50e71260dc47e10dc4e39d007d082c464bae03 Mon Sep 17 00:00:00 2001
From: alecpl <alec@alec.pl>
Date: Sat, 1 May 2010 07:36:28 +0000
Subject: - Add References header in read receipt (#1486681)

---
 program/steps/mail/func.inc | 1 +
 1 file changed, 1 insertion(+)

(limited to 'program/steps/mail/func.inc')

diff --git a/program/steps/mail/func.inc b/program/steps/mail/func.inc
index 25b0338af..bd7fa9c43 100644
--- a/program/steps/mail/func.inc
+++ b/program/steps/mail/func.inc
@@ -1436,6 +1436,7 @@ function rcmail_send_mdn($uid, &$smtp_error)
       'Subject' => rcube_label('receiptread') . ': ' . $message->subject,
       'Message-ID' => sprintf('<%s@%s>', md5(uniqid('rcmail'.mt_rand(),true)), $RCMAIL->config->mail_domain($_SESSION['imap_host'])),
       'X-Sender' => $identity['email'],
+      'References' => trim($message->headers->references . ' ' . $message->headers->messageID),
     );
     
     if ($agent = $RCMAIL->config->get('useragent'))
-- 
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