Trusted Messenger 

Effective communications for the office. Converse with colleagues in real time. Messages can be sent to any network users through their network user name or computer name, messages can be sent to all network users simutlaneously with a single click.
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netMailshar 

netMailshar is an easy-to-use, powerful mail server that enables every computer in an office to send and receive email not only across the Internet but also within a LAN. It provides centralized, generic protection against all email viruses.
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