thomascube
2010-03-04 bbc8565e5afa7e5352bc3aaf7cf067066ec6d4b1
program/steps/mail/sendmail.inc
@@ -314,6 +314,12 @@
if (!empty($_SESSION['compose']['reply_msgid']))
  $headers['In-Reply-To'] = $_SESSION['compose']['reply_msgid'];
// remember reply/forward UIDs in special headers
if (!empty($_SESSION['compose']['reply_uid']) && $savedraft)
  $headers['X-Reply-UID'] = $_SESSION['compose']['reply_uid'];
else if (!empty($_SESSION['compose']['forward_uid']) && $savedraft)
  $headers['X-Forward-UID'] = $_SESSION['compose']['forward_uid'];
if (!empty($_SESSION['compose']['references']))
  $headers['References'] = $_SESSION['compose']['references'];