A wireless communications system, e. One server receives and data bases the information while another server disseminates the information; instead of one server receiving the information, data basing the information, and disseminating the information to all users requesting the information. The system comprises an e-mail server for receiving the e-mail from a sender, an information extractor for extracting relevant information from the e-mail, and a router for routing the e-mail. The method further includes using the spacers to form recessed regions in the insulated gate electrodes and the substrate, and then forming enhancement regions in the first and second recessed regions.