/usr/share/d-push/backend/zarafa/mapi/ is in d-push 2.0.7-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/d-push/backend/zarafa/mapi/class.baseexception.php
/usr/share/d-push/backend/zarafa/mapi/class.baserecurrence.php
/usr/share/d-push/backend/zarafa/mapi/class.freebusypublish.php
/usr/share/d-push/backend/zarafa/mapi/class.mapiexception.php
/usr/share/d-push/backend/zarafa/mapi/class.meetingrequest.php
/usr/share/d-push/backend/zarafa/mapi/class.recurrence.php
/usr/share/d-push/backend/zarafa/mapi/class.taskrecurrence.php
/usr/share/d-push/backend/zarafa/mapi/class.taskrequest.php
/usr/share/d-push/backend/zarafa/mapi/mapi.util.php
/usr/share/d-push/backend/zarafa/mapi/mapicode.php
/usr/share/d-push/backend/zarafa/mapi/mapidefs.php
/usr/share/d-push/backend/zarafa/mapi/mapiguid.php
/usr/share/d-push/backend/zarafa/mapi/mapitags.php