/usr/lib/ is in python-milter 1.0-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/pyshared/
/usr/lib/pyshared/python2.7/
/usr/lib/python2.7/
/usr/lib/python2.7/dist-packages/
/usr/lib/python2.7/dist-packages/milter.so
/usr/lib/python2.7/dist-packages/Milter/
/usr/lib/pyshared/python2.7/milter.so
/usr/lib/python2.7/dist-packages/mime.py
/usr/lib/python2.7/dist-packages/pymilter-1.0.egg-info
/usr/lib/python2.7/dist-packages/Milter/greylist.py
/usr/lib/python2.7/dist-packages/Milter/test.py
/usr/lib/python2.7/dist-packages/Milter/plock.py
/usr/lib/python2.7/dist-packages/Milter/pyip6.py
/usr/lib/python2.7/dist-packages/Milter/greysql.py
/usr/lib/python2.7/dist-packages/Milter/dsn.py
/usr/lib/python2.7/dist-packages/Milter/__init__.py
/usr/lib/python2.7/dist-packages/Milter/cache.py
/usr/lib/python2.7/dist-packages/Milter/dns.py
/usr/lib/python2.7/dist-packages/Milter/utils.py
/usr/lib/python2.7/dist-packages/Milter/unsign.py
/usr/lib/python2.7/dist-packages/Milter/dynip.py
/usr/lib/python2.7/dist-packages/Milter/config.py