program/include/rcube_output.php
@@ -227,7 +227,7 @@ header("X-DNS-Prefetch-Control: off"); // We need to set the following headers to make downloads work using IE in HTTPS mode. if ($this->browser->ie && rcube_ui::https_check()) { if ($this->browser->ie && rcube_utils::https_check()) { header('Pragma: private'); header("Cache-Control: private, must-revalidate"); }