>1. Reply and WARN them. If you never hear from them again it has worked. This is all I do. It presumes that the headre info is correct. Of course of the spamer has e-mail software as Mark Ross described to counter spam, then you can't... But do look at the header and post to "abuse@provider" and "postmaster@provider". Let the sys admin of the provider clean his own house. If they have a "reply to xx to remove" I just do that. Otherwise I send this: =================================================== remove Recently, a very unwelcome advertisement message was posted to this business from your address. I strongly suggest that you remove all the addresses that belong to <your @xx.xxx> *****LEGAL NOTICE TO ALL BULK E-MAILERS***** NOTICE TO BULK EMAILERS: Pursuant to US Code, Title 47, Chapter 5, Subchapter II, 227, any and all nonsolicited commercial E-mail sent to this address is subject to a download and archival fee in the amount of $500 US. E-mailing denotes acceptance of these terms. ====================================================================== IT seems to do the job :) Bill Gaines =================================================== /| _ _ _ AeroJet /_||_ |_ | 1100 Hollyvale MS:8651 170-1f7 / ||_ _| |_ Azusa, Calif. 91702-0298 ===================================================