From ea50e71260dc47e10dc4e39d007d082c464bae03 Mon Sep 17 00:00:00 2001
From: alecpl <alec@alec.pl>
Date: Sat, 01 May 2010 03:36:28 -0400
Subject: [PATCH] - Add References header in read receipt (#1486681)

---
 CHANGELOG                   |    1 +
 program/steps/mail/func.inc |    1 +
 2 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/CHANGELOG b/CHANGELOG
index 76d4972..4cfaec0 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,6 +1,7 @@
 CHANGELOG RoundCube Webmail
 ===========================
 
+- Add References header in read receipt (#1486681)
 - Fix database constraint violation when opening a message (#1486696)
 - Add 'loading' message while login is in progress (#1486667)
 - Fix quota_zero_as_unlimited (#1486662)
diff --git a/program/steps/mail/func.inc b/program/steps/mail/func.inc
index 25b0338..bd7fa9c 100644
--- a/program/steps/mail/func.inc
+++ b/program/steps/mail/func.inc
@@ -1436,6 +1436,7 @@
       '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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