/etc/cron.d/amavisd-new is in amavisd-new 1:2.10.1-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 | #
# SpamAssassin maintenance for amavisd-new
#
# m h dom mon dow user command
18 */3 * * * amavis test -e /usr/sbin/amavisd-new-cronjob && /usr/sbin/amavisd-new-cronjob sa-sync
24 1 * * * amavis test -e /usr/sbin/amavisd-new-cronjob && /usr/sbin/amavisd-new-cronjob sa-clean
|