In an empty space on your Desktop > Right click > New > Shortcut
In the window asking for the location, type the following including the colon:
yuor address= whatever it is..
Next > Call it say Dave's email > Finish
Now Right click the new shortcut > Properties > Place your cursor in the area where it says 'None' > Press a key say E
It will automatically add Ctrl+Alt in front of your E > Apply/OK
Now when you want to send an email, press the Ctrl+Alt+E keys and you will open a new message with your email address already added.