I use MRTG. I plot the sum(blocked_count) against sum (passed_count). The graph is very interesting over the long term this year... where the amount of spam blocked has doubled at least 3 times. Barb Dijker x100 Netrack, 3080 Valmont Rd Ste 200, Boulder CO 80301 +1.303.938.0188, toll free +1.888.9Netrack, fax +1.800-726-0590 www.netrack.net