Computer software and manuals sold as a unit for sending, transmitting, delivering, managing, facilitating, conducting, receipting and acknowledging secure electronic information, files and data using common facilities including, but not limited to, file transfer functionality, secure large file transfer, guaranteed delivery/automated resend, non-repudiable receipting, audit and logging, messaging functionality, secure mail/messaging, and bi-lateral communications over extranets, intranets, t...