/usr/share/man/man5/mailfilter.5.gz

This file is indexed.

/usr/share/man/man5/mailfilter.5.gz is in maildrop 2.8.4-2.

This file is owned by root:root, with mode 0o777.

It is a symlink to /usr/share/man/man5/../man7/maildropfilter.7.gz