# Turn on debug mode in Cluebringer !!! warning Cluebringer has been removed from iRedMail since iRedMail-0.9.3, if you're still running Cluebringer, please follow our tutorial to migrate to iRedAPD: [Migrate from Cluebringer to iRedAPD](./cluebringer.to.iredapd.html). To turn on debug mode in Cluebringer, please increase its log level in Cluebringer config file, set what it should log, and restart Cluebringer service. * on RHEL/CentOS, it's `/etc/policyd/cluebringer.conf`. * on Debian/Ubuntu, it's `/etc/cluebringer/cluebringer.conf`. * on FreeBSD, it's `/usr/local/etc/cluebringer.conf`. * on OpenBSD: we don't have Cluebringer installed. We use built-in [spamd(8)](http://www.openbsd.org/cgi-bin/man.cgi/OpenBSD-current/man8/spamd.8?query=spamd) for greylisting, whitelisting and blacklisting. ``` log_level=4 log_detail=modules,tracking,policies ``` Cluebringer is configured to log to `/var/log/cbpolicyd.log` by default, so please monitor this file to check detailed debug log.