Selecting previously unselected package mailscanner.
(Reading database ... 21719 files and directories currently installed.)
Preparing to unpack mailscanner_4.74.16-1_all.deb ...
Unpacking mailscanner (4.74.16-1) ...
Processing triggers for systemd (219-7ubuntu6) ...
Processing triggers for man-db (2.7.0.2-5) ...