MERCUR Messaging 2005 is a versatile communication platform for MS Windows based systems. Well known standard protocols, like SMTP, POP3, IMAP4 or HTTP provide the basis for a world wide communication. These protocols are easy to handle and compatible with the frequently used messaging products. This consistent approach enables messaging between different platforms in each corner of the world. It doesn’t make a difference whether you are connected to the internet using a dial-up account or through a router in the local area network. Several network connections can be used and activated automatically if necessary. Multiple transactions can be coordinated to minimize network traffic and save communication cost. A graphical user interface offers intelligent features to setup complex operations with just a mouse click. A wizard driven setup Dienstprogramm creates the basic environment for a working E-Mail-Adresse system. The build-in Webmail interface allows to work with E-Mail-Adresse, appointments and contacts using a regular Internet Browser from everywhere in the world. Intelligent Sicherheit features protect your mail system against not allowed intruders and bulk mail senders. Different kinds of external virus scanners can be used to detect dangerous contents just before the message was received. A special interface to Norman Virus Control offers a proactive solution to protect the system against new and unknown viruses. The MIME Filtering feature is used to remove suspect attachments from incoming E-Mail-Adresse messages. MERCUR Messaging 2005 supports secure password authentication for POP3 and IMAP4, as well as subnet- or domain authentication for SMTP to RFC2554. A reasonable licensing system guarantees a budget-priced messaging solution for E-Mail-Adresse based communication over the worldwide internet or just inside the company network. The user-related cost inside a 1000 user environment amounts less than $1.