With all the spoofed mail these days from viruses like klez, I'm thinking of adding this header to all of our lists. Then I have a chance of seeing whose machine is infected when spoofed mail is sent to a list. Any thoughts? I normally have notebooks turned on for all lists and erase them after two months. -- Bill Verity - 814-865-4758 Fax: 814-863-7049 Listserv Administrator 215A Computer Building - Information Technology Services, Penn State University At the office - on my Mac, of course ;-)