Next the computer will prompt you for a subject. Then the computer will ask if you want to send copies. If so, type the next receiver's username. If not, just hit enter. You will be at the Pico editor screen.
Commands are at the bottom.
The screen will ask if you want to save the buffer. The screen will then ask for a filename to write. Finally, the screen will ask if you want to send the message. If you do, type s or hit Enter. When you're through reading and sending mail, you will type q to quit the system.