Accuracy has been seen in excess of 99.9 per cent. In other words, CRM114 learns, and it learns fast . CRM114 is compatible with SpamAssassin or other spam-flagging software; it can also be pipelined in front of or behind procmail. CRM114 is also useful as a syslog or firewall log filter, to alert you to important events but ignore the ones that aren't meaningful.