Dispatching electronic messages within an intranet or the Internet is an essential service for most businesses. MERCUR 4.2 offers the necessary features to provide an efficient and effective communications medium. These include Security features using IP-Caching Firewall, List Server, Remote Configuration via a Web Browser, Dial-Up connectivity (Modem, ISDN-Card), dedicated connectivity (ISDN-Router) or connectivity over the network (Router) to..