program/steps/mail/show.inc
@@ -55,7 +55,11 @@ } // calculate Etag for this request $etag = md5($MESSAGE->uid.$mbox_name.session_id().intval($MESSAGE->headers->mdn_sent).intval($MESSAGE->is_safe).intval($PRINT_MODE)); $etag = md5($MESSAGE->uid.$mbox_name.session_id() .intval($MESSAGE->headers->mdn_sent) .intval($MESSAGE->is_safe) .(!empty($MESSAGE->attachments) ? intval($CONFIG['inline_images']) : '') .intval($PRINT_MODE)); // allow caching, unless remote images are present if ((bool)$MESSAGE->is_safe)
