/usr/share/ is in courier-faxmail 0.68.2-1ubuntu3.
This file is owned by root:root, with mode 0o755.
..
/usr/share/man/
/usr/share/man/man8/
/usr/share/man/man8/courierfax.8.gz
/usr/share/courier/
/usr/share/courier/webadmin/
/usr/share/courier/webadmin/admin-34fax.html
/usr/share/courier/webadmin/admin-34fax.pl
/usr/share/courier/webadmin/admin-35fax.html
/usr/share/courier/webadmin/admin-35fax.pl
/usr/share/lintian/
/usr/share/lintian/overrides/
/usr/share/lintian/overrides/courier-faxmail
/usr/share/doc/
/usr/share/doc/courier-faxmail/
/usr/share/doc/courier-faxmail/copyright
/usr/share/doc/courier-faxmail/NEWS.Debian.gz
/usr/share/doc/courier-faxmail/changelog.Debian.gz