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-rw-r--r--program/steps/mail/show.inc6
1 files changed, 5 insertions, 1 deletions
diff --git a/program/steps/mail/show.inc b/program/steps/mail/show.inc
index d8478d569..4f5253883 100644
--- a/program/steps/mail/show.inc
+++ b/program/steps/mail/show.inc
@@ -55,7 +55,11 @@ if ($_GET['_uid']) {
}
// 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)