Filter the content of incoming E-mail for profanity and pornographic expressions -- actions include bouncing such E-mail to the building administrator.

Filter the content of outgoing mail for profanity  -- action includes possible forward of such E-mail to the Building Mail Administrator

Content word list under immediate Administrative control 

Content word list threshold under Administrative control

Response to Content Problems -- optional action under Administrative control

Personal sorting based on expressions in the incoming E-mail -- including sorting to trash all messages from specific individuals