plesk-spamassassin-rule-updater
This script is taken from https://schaal-24.de/aktuelle-regeln-fuer-spamassassin-von-schaal-it/ and modified to run on a debian 8 with plesk onyx 17.8 installed.
It updates the rules for spamassassin on a system running with debian 8 and plesk onyx 17.8 and restarts it if necessary.