diff options
| -rw-r--r-- | program/steps/mail/show.inc | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/program/steps/mail/show.inc b/program/steps/mail/show.inc index 45d64b87b..1aab3302c 100644 --- a/program/steps/mail/show.inc +++ b/program/steps/mail/show.inc @@ -43,7 +43,7 @@ if ($_GET['_uid']) } // calculate Etag for this request - $etag = md5($MESSAGE['UID'].$IMAP->get_mailbox_name().session_id().($PRINT_MODE?1:0)); + $etag = md5($MESSAGE['UID'].$IMAP->get_mailbox_name().session_id().intval($MESSAGE['headers']->mdn_sent).intval($PRINT_MODE)); // allow caching, unless remote images are present if ((bool)get_input_value('_safe', RCUBE_INPUT_GET)) |