This file is indexed.

/var/spool/ is in nullmailer 1:1.13-1+deb8u1.

This file is owned by root:root, with mode 0o755.

File Mime Type Owner Mode Size
..
/var/spool/nullmailer/ mail:root 0o755
/var/spool/nullmailer/queue/ mail:root 0o750
/var/spool/nullmailer/tmp/ mail:root 0o750