If blocking one or two domains would get rid of most of the spam, that sounds like a logical first step to me. Thanks, Mike for your admin work for the list. Bob -- Robert L. Spooner Registered Professional Engineer Associate Research Engineer Intelligent Control Systems Department Applied Research Laboratory Phone: (814) 863-4120 The Pennsylvania State University FAX: (814) 863-7841 P. O. Box 30 State College, PA 16804-0030 [log in to unmask]