I installed FuzzyOcr according to installation instructions , after run that test command, I got some error message like this: Nov 4 11:08:19.217 [4740] warn: plugin: eval failed: Insecure dependency in open while running with -T switch at /etc/mail/spamassassin/FuzzyOcr/Logging.pm line 17. … save_execute: Insecure dependency in exec while running with -T switch at /etc/mail/spamassassin/FuzzyOcr/Misc.pm line …