To have a game from your history or library emailed to you go to the menu above and click on 'View' and select 'My profile'. Click on the Games Tab to make your 'Most Recent Games' (history) and 'Game Library' show. Right mouse-click on the game of your choice and choose 'Mail Game Moves' from the pop-up menu.
To automatically email all the games you play right after you play them, go to the menu above: Edit > Settings > Playing 2 > Under Postgame Actions: Check Email games upon completion. Here you can also choose the format.
You can email games from histories, libraries, database (search list), and adjourned games also by Command Line Method. For this and more information read "help mailstored".