A few oldies but goldies. Why Spam is bad. http://ddi.digital.net/~gandalf/spambad.html How to find out where a fake post or e-mail originated from. http://ddi.digital.net/~gandalf/spamfaq.html http://www.netmeg.net/faq/internet/net-abuse/spam-faq/ http://www.cs.ruu.nl/wais/html/na-dir/net-abuse-faq/spam-faq.html How to deal with trolls, crossposts and flames http://ddi.digital.net/~gandalf/trollfaq.html How to find people. http://ddi.digital.net/~islander/