23. The system of claim 15 , further comprises communication interrogation module operable to determine whether the communication is a legitimate communication by running a plurality of tests on the communication.
23. The system of claim 15 , further comprises communication interrogation module operable to determine whether the communication is a legitimate communication by running a plurality of tests on the communication. 24. The system of claim 23 , wherein results associated with the plurality of tests are embodied in a vector which is compared against illegitimate vectors associated with unwanted messages to determine whether the communication is legitimate.