X-Git-Url: https://vcs.fsf.org/?a=blobdiff_plain;f=functions%2Fmime.php;h=3227aebb3caa292df10f7945ae285109b9e72a33;hb=5594db7ade1796b3cb26487114d6d01464c9f820;hp=cfb1f5c381b610fbee1fbecaa17b9ef82c98b941;hpb=5e5daa47f6270e55903f95fb3deff491fde2d6f5;p=squirrelmail.git

diff --git a/functions/mime.php b/functions/mime.php
index cfb1f5c3..3227aebb 100644
--- a/functions/mime.php
+++ b/functions/mime.php
@@ -6,7 +6,7 @@
  * This contains the functions necessary to detect and decode MIME
  * messages.
  *
- * @copyright 1999-2015 The SquirrelMail Project Team
+ * @copyright 1999-2017 The SquirrelMail Project Team
  * @license http://opensource.org/licenses/gpl-license.php GNU Public License
  * @version $Id$
  * @package squirrelmail
@@ -2786,7 +2786,8 @@ function SendDownloadHeaders($type0, $type1, $filename, $force, $filesize=0) {
         $filename=rawurlencode($filename);
         header ("Pragma: public");
         header ("Cache-Control: no-store, max-age=0, no-cache, must-revalidate"); // HTTP/1.1
-        header ("Cache-Control: post-check=0, pre-check=0", false);
+        // does nothing - see: https://blogs.msdn.microsoft.com/ieinternals/2009/07/20/internet-explorers-cache-control-extensions/
+        // header ("Cache-Control: post-check=0, pre-check=0", false);
         header ("Cache-Control: private");
 
         //set the inline header for IE, we'll add the attachment header later if we need it