Hello TBUDL An interesting (but long) essay from the SANS institute can be found here:
http://rr.sans.org/email/spam_battle.php -- Regards William www.residues.info Flying with The Bat! www.ritlabs.com/the_bat Windows 2000 Pro 2195 Service Pack 2 ________________________________________________ Current version is 1.61 | "Using TBUDL" information: http://www.silverstones.com/thebat/TBUDLInfo.html