15. A method of identifying spam e-mail, the method to be performed by a computer having a processor and memory, the memory comprising computer-readable program code configured to be executed by the processor so the computer can perform the method, the method comprising: the computer selecting tokens among a plurality of tokens for use in identifying spam e-mail; the computer creating heuristic rules describing relationships between the selected tokens; the computer creating a training data matrix having a plurality of rows, each of the rows having components that correspond to a selected token or a heuristic rule; the computer inputting the training data matrix to a support vector machine to compute weights of the selected tokens and weights of the heuristic rules, wherein the weights of selected tokens and the weights of the heuristic rules are employed to identify spam e-mails.
16. The method of claim 15 wherein the tokens comprise words and phrases.