There are lots of mail programs in use these days, but MH is one of the most durable and flexible. MH gives users the ability to combine email and shell programming capabilities to create powerful and customized mail environments. Best of all, MH is freely available on almost all UNIX systems. MH has spawned a number of interfaces in addition to the shell command line, too. This book covers three popular interfaces: "xmh" (for the X environment),...