3.13.0-105.152) is not available, but a newer one is (3.13.0-166.216). We redirected you there.
/usr/sbin/makesmtpaccess-msa is in courier-mta 0.68.2-1ubuntu7.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/sbin/makesmtpaccess