The integrated mail client ('Mailer') works out-of-the-box, whereas a standard mail/news client has to be attached to get the most convenient way to send and receive anonymous messages and to interact with nym servers, which provide anonymous mail accounts.
There's no problem to relocate the OmniMix system, which includes Mixmaster, Tor, GnuPG and Hamster, with all programs only writing to their respective folders.
The OmniMix Uno version is free for private use. It's complete Lazarus IDE is available for peer review.
Website: http://www.danner-net.de/om.htm
Online Manual: http://www.danner-net.de/omom/index.htm
OmniMix @ Wikipedia: https://en.wikipedia.org/wiki/Anonymous ... r_software