popexec is a program for Unix/Linux whichchecks a POP e-mail account and then runs a program whenever new e-mail arrives. Itcan also optionally run a program when it sees that you no longer have new e-mail inyour POP box. Examples are included which show you how to: Write "You have mail" or"You have X new messages" to a terminal, make a terminal beep, play an audio file,pop an X window onto the screen, make your keyboard LEDs blink, change your desktopbackground, and more!