(mush) A
MUA for
Unix and
MS-DOS. It has both
line-mode and full-screen interfaces as well as a
SunView interface.
mush provides a very powerful shell interface with a
csh-like
scripting language, plenty of environment variables, command-line aliases, filename
completion,
conditionals, and command
piping.
z-mail is a more recent commercial version of mush.
Usenet newsgroup: news:comp.mail.mush.