If it overflows the computer system will stop putting your mail messages there. You navigate the Main Menu with the arrow keys on your keyboard, or by pressing the action key abbreviation. If this is the first time you have used Pine, two other things happen. First, Pine displays a welcome page with some of the same information as this handout. Pine manages these for you so you can just ignore them.
Message is new and unread.
I think I was asleep. This message fits on a single screen. If there is more than one address, separate them by commas. If you make a mistake, move to just past the problem with the arrow keys, Backspace to erase, then retype the correct information. It can be as long or short as you like.