MailNavigator is a mail and news client that contains some unique capabilities. It contains a system for retrieving information from the archives of most popular mail programs, including Microsoft Mail, News, Outlook, and Outlook Express; Netscape Messenger; Eudora; Forte Agent; Pegasus Mail; The Bat; Eserv; and Fidonet mail. The description language of the filters includes the standard operators: or, and, not, near, their synonyms, and parentheses for defining the order of operators. The search can be executed on the whole word or on a part of a word.
This software is a shareware. You will be able to download and test MailNavigator during a certain period of time, then, if it does what you need, you will have to acquire the full version from MailNavigator publisher. The MailNavigator 1.11 free trial version contains an installer and an uninstaller, and has a size of 1419 Kilobytes.
For additional information and support request, please contact directly MailNavigator publisher.

MailNavigator Screenshot