The Email Abuse FAQ provides info and resources concerning Junk E-mail. Homepage provides info and resources concerning all sorts of Internet abuse. The Coalition Against Unsolicited Commercial Email provides political info and resources concerning Junk E-mail. Check out the Spam Fighting Resources page. Introduction to Net Abuse briefly describes the Usenet Newsgroup operations.
All bets are off if it happens to be buried behind a firewall.
Finger is sometimes configured to present details about a specific user, such as his last login time, whether he's read mail lately, and even notes prepared by the user himself. The reference is based on the users E-Mail address. All bets are off if the user happens to be buried behind a firewall. This will be an anonymous ftp login and place you at the top of the directory tree. User names and passwords may become public knowledge.