In case you were never aware of them, you can find the full set of Rules, Admonitions, Corollaries, Commentaries and Explanations here. The main Rules are:
Rule #0: Spam is theft.
Rule #1: Spammers lie.
Rule #2: If a spammer seems to be telling the truth, see Rule #1.
Rule #3: Spammers are stupid.
Rule #4: The natural course of a spamming business is to go bankrupt.