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-rw-r--r--program/steps/mail/show.inc4
1 files changed, 2 insertions, 2 deletions
diff --git a/program/steps/mail/show.inc b/program/steps/mail/show.inc
index 9e9ba8df4..5cd5e8360 100644
--- a/program/steps/mail/show.inc
+++ b/program/steps/mail/show.inc
@@ -50,10 +50,10 @@ if ($_GET['_uid'])
$MESSAGE['is_safe'] = 1;
// calculate Etag for this request
- $etag = md5($MESSAGE['UID'].$IMAP->get_mailbox_name().session_id().intval($MESSAGE['headers']->mdn_sent).intval($PRINT_MODE));
+ $etag = md5($MESSAGE['UID'].$IMAP->get_mailbox_name().session_id().intval($MESSAGE['headers']->mdn_sent).intval($MESSAGE['is_safe']).intval($PRINT_MODE));
// allow caching, unless remote images are present
- if ((bool)get_input_value('_safe', RCUBE_INPUT_GET))
+ if ((bool)$MESSAGE['is_safe'])
send_nocacheing_headers();
else if (empty($CONFIG['devel_mode']))
send_modified_header($_SESSION['login_time'], $etag);