To do the following:

Press:

Check the spelling of selected text

ALT+SHIFT+F7

Check the spelling of the e-mail message

ALT+F7

Close the New Message window

ALT+F4

Copy the selected text

CTRL+C

Create a new e-mail message

CTRL+N

Create a new e-mail message from a template

CTRL+SHIFT+N

Create a new folder

CTRL+SHIFT+E

Cut the selected text

CTRL+X

Delete the selected e-mail message or folder

CTRL+D

Find an e-mail message

CTRL+SHIFT+F

Find and replace text in an e-mail message

F4

Forward the selected or open e-mail message

CTRL+F

Mark the selected e-mail message as read

CTRL+Q

Move the selected message(s) to a folder

CTRL+SHIFT+V

Open the selected saved e-mail message

CTRL+SHIFT+O

Open the selected e-mail message

CTRL+O

Paste the cut or copied text

CTRL+V

Print the selected or open e-mail message

CTRL+P

Rename the selected  folder

CTRL+M

Reply to all (addressees) of the selected or open e-mail message

CTRL+SHIFT+R

Reply to the selected or open e-mail message

CTRL+R

Save a message you are writing to the Drafts folder

CTRL+S

Select all messages in the open folder

CTRL+A

Send the selected or open e-mail message (from the New Message window)

CTRL+ENTER

Send and receive messages

ALT+C

Undo changes to a new message

CTRL+Z

View the next message in the selected folder

CTRL+Right Arrow

View the previous message in the selected folder

CTRL+Left Arrow