mu: mu (fast mail indexer and search tool) mu: mu: mu is a tool for dealing with e-mail messages stored in the mu: Maildir-format. mu can be used with the mutt email program. mu: mu includes an emacs-based e-mail client (mu4e), a simple GUI (mug) mu: and bindings for the Guile/Scheme programming language. mu: mu: Home: http://www.djcbsoftware.nl/code/mu/ mu: mu: mu: