See also: Anonymous E-Mail
Home Page: http://mixmaster.sourceforge.net (Sourceforge)
A type II remailer protocol. Also, -according to the authors- the most popular software implementation of that protocol. The current version is 2.9 which is stable. Beta versions of the 3.0 version are also available but still in beta stage at this time of writing (august 2004).
Related
TakeDown.NET -> “Mixmaster”