MICROSOFT CORP. WINDOWS MS OFFICE BACK OFFICE IBM CORP. AS/400 NETFINITY SERVERS BUSINESS PC'S LOTUS SOFTWARE LOTUS DOMINO LOTUS NOTES NOVELL INC. NETWARE 6 GROUPWISE 6 NOVELL PRODUCTS MACOLA SOFTWARE DAVIS COMMUNICATIONS TRAKWEAR VANTAGE POINT SOWTWARE COMPAQ EPSON WORLDWIDE HEWLETT PACKARD LEXMARK APPLE COMPUTERS CISCO SYSTEMS 3 COM INTEL TECHNOLOGIES SENDER POLICY FRAMEWORK PEACHTREE SOFTWARE SAGE SOFTWARE