/usr/lib/python2.7/dist-packages/twisted/mail/ is in python-twisted-mail 11.1.0-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/twisted/mail/__init__.py
/usr/lib/python2.7/dist-packages/twisted/mail/_version.py
/usr/lib/python2.7/dist-packages/twisted/mail/alias.py
/usr/lib/python2.7/dist-packages/twisted/mail/bounce.py
/usr/lib/python2.7/dist-packages/twisted/mail/imap4.py
/usr/lib/python2.7/dist-packages/twisted/mail/mail.py
/usr/lib/python2.7/dist-packages/twisted/mail/maildir.py
/usr/lib/python2.7/dist-packages/twisted/mail/pb.py
/usr/lib/python2.7/dist-packages/twisted/mail/pop3.py
/usr/lib/python2.7/dist-packages/twisted/mail/pop3client.py
/usr/lib/python2.7/dist-packages/twisted/mail/protocols.py
/usr/lib/python2.7/dist-packages/twisted/mail/relay.py
/usr/lib/python2.7/dist-packages/twisted/mail/relaymanager.py
/usr/lib/python2.7/dist-packages/twisted/mail/scripts/
/usr/lib/python2.7/dist-packages/twisted/mail/scripts/__init__.py
/usr/lib/python2.7/dist-packages/twisted/mail/scripts/mailmail.py
/usr/lib/python2.7/dist-packages/twisted/mail/smtp.py
/usr/lib/python2.7/dist-packages/twisted/mail/tap.py
/usr/lib/python2.7/dist-packages/twisted/mail/test/
/usr/lib/python2.7/dist-packages/twisted/mail/test/__init__.py
/usr/lib/python2.7/dist-packages/twisted/mail/test/pop3testserver.py
/usr/lib/python2.7/dist-packages/twisted/mail/test/rfc822.message
/usr/lib/python2.7/dist-packages/twisted/mail/test/test_bounce.py
/usr/lib/python2.7/dist-packages/twisted/mail/test/test_imap.py
/usr/lib/python2.7/dist-packages/twisted/mail/test/test_mail.py
/usr/lib/python2.7/dist-packages/twisted/mail/test/test_mailmail.py
/usr/lib/python2.7/dist-packages/twisted/mail/test/test_options.py
/usr/lib/python2.7/dist-packages/twisted/mail/test/test_pop3.py
/usr/lib/python2.7/dist-packages/twisted/mail/test/test_pop3client.py
/usr/lib/python2.7/dist-packages/twisted/mail/test/test_scripts.py
/usr/lib/python2.7/dist-packages/twisted/mail/test/test_smtp.py