Can I manually remove or empty razor-agent.log files?
You can manually remove or empty the razor-agent.log files located in /home/$USER/.razor/ (replace $USER with a cPanel username). A new empty razor-agent.log file will be created automatically. The razor-agent.log file is created and used by a monitoring plugin, Razor2, which is included with SpamAssassin by default. This plugin checks emails against external filters and logs data to the razor-agent.log file in a user's /home/$USER/.razor/ directory (replace $USER with a cPanel username).