Communications
It is prohibited to use out-of-game or out-of-character communications to benefit your character or to harm other characters. This includes e-mail, ICQ, telephone, smoke signals, semaphore, etc.
Examples:
Contacting someone to come rescue you after you died, etc. Contacting someone to log in to the mud to help out in time of war, perform a reincarnation, write a spellbook, etc.