Command+Down Arrow

Archive an email message

Command+B

Bold

Option+Shift+N

Compose a new email message

Delete

Delete a selected message or folder

Shift+Command+L

Flag or unflag email

Command+]

Indent items in a list

Command+I

Italic

Command+=

Make font size bigger

Command+-

Make font size smaller

Shift+Command+J

Mark email as Junk or Not Junk

Shift+Command+U

Mark email as Read or Unread

Return

Open the selected message in a new window

Command+[

Outdent items in a list

Command+P

Print

Shift+Command+Z

Redo changes to an email message

Shift+Command+R

Reply to sender

Command+S

Save as a draft

Spacebar

Scroll through the selected messages

Command+A

Select all email messages

Shift+Command+D

Send email message

Shift+Command+R

Toggle between Reply and Reply All

Command+U

Underline

Command+Z

Undo changes to an email message

Command+N

New Message

Command+Shift+D

Send Message

Command+S

Save Draft

Command+Shift+F

Forward Message

Command+Shift+A

Attach File

Command+Option+B

Show/Hide bcc field

Command+Shift+L

Flag Message

Command+R

Reply to Message

Command+Shift+R

Reply to All

Command+Option+T

Move message to same box you just did

Command+Shift+U

Mark as read/unread

Command+Shift+J

Mark as junk mail

Command+Option+U

View raw message content

Command+T

Show fonts panel

Command+Shift+C

Show colors panel

Command+Shift+]

Align Right

Command+Shift+[

Align Left

Command+Shift+|

Align Center

Command+Option+C

Copy Style

Command+Option+V

Paste Style

Command+Shift+;

Check Spelling

Command+Shift+N

Get New Mail

Command+O

Open message viewer

Command+Shift+Y

Add sender to address book

Command+E

Use selected text in search

Command+1

Go to Inbox

Command+Option+F

Jump to search field

Command+2..9

Go to other items in favourites

Command+Option+L

Apply Rule to selected message