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-rw-r--r--program/lib/Roundcube/rcube_storage.php1
1 files changed, 1 insertions, 0 deletions
diff --git a/program/lib/Roundcube/rcube_storage.php b/program/lib/Roundcube/rcube_storage.php
index 65de2660c..8a36f1f9d 100644
--- a/program/lib/Roundcube/rcube_storage.php
+++ b/program/lib/Roundcube/rcube_storage.php
@@ -53,6 +53,7 @@ abstract class rcube_storage
protected $all_headers = array(
'IN-REPLY-TO',
'BCC',
+ 'SENDER',
'MESSAGE-ID',
'CONTENT-TRANSFER-ENCODING',
'REFERENCES',