ServerFiles.com is a server software & hardware directory for Network administrators & IT professionals, listing networking & server software for Windows 2003, Windows 2000, NT and Linux; and now also listing networking hardware solutions focused on server based computing.
Vote for MailDetective
MailDetective analyses mail server log files and provides the employer with detailed reports about private and business emails coming to and from the corporate network as well as traffic distribution by users and email addresses. You can instantly see the information about email use in the entire company, by particular employees or during specific time intervals. These reports have a well-defined layout and deliver information in a clear, eye-pleasing way.
A typical mail-by-recipients report contains such categories as email addresses of senders, local email traffic, external email traffic and traffic ratio. With such reports, you can monitor email traffic generated by your employees, expose non-work related emails and stop abusers.