Interference with service to any user, host or network including, without limitation, mailbombing, flooding, deliberate attempts to overload a system and broadcast attacks. Unauthorized access to any data, system, or network from an unauthorized system or network for any purpose which is not lawful or which is intended to do harm. Forging of any TCP-IP packet header or any part of the header information in an email or a newsgroup posting. Sending unsolicited mail messages, including, without limitation, commercial advertising and informational announcements, is explicitly prohibited. A user shall not use another site's mail server to relay mail without the express permission of the site owner.
Forgery is against the law.
If you have been granted password privileges for FTP or telnet, sharing your password with an unauthorized user or third party is strictly prohibited.