/usr/share/man/man8/hoststat.8.gz is in sendmail-bin 8.14.4-4+deb7u1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/man/man8/sendmail-mta.8.gz
/usr/share/man/man8/sendmail-mta.8.gz