Main box

Check mail for current account F2
Check mail for all account. F4
Send mail for all account F5
Save as Ctrl+S
Print Ctrl+P
Print Preview Ctrl+V
Select all Ctrl+A
Select multiple mails individually Ctrl+click mouse
Select multiple mails continuously Shift+click mouse
Search Ctrl+F
Search again F3
Change line automatically Ctrl+W
Compose Ctrl+N
Reply Ctrl+R
E-mail information Ctrl+B
Original information Ctrl+I
Delete (move to trash box) Delete,Ctrl+D
Delete directly (not move to trash box) Shift+Delelte
Empty trash box (available only when the trash box is selected) Delete
Remote F12
Open address book Ctrl+K
Expend or collapse current account Space, Enter
Expend or collapse one layer  +, - 
Collapse all accounts Ctrl+Enter
Open mail by Reading box Enter
Remark as read after reading. space
Remark selected mail as unread Ctrl+U
 
When focus on Reading box
Next mail Ctrl+Up, PageDown, >
Previous mail Ctrl+Down, PageUp, <

Compose

Send Now Ctrl+Enter, E
Save as copy Ctrl+S
Cancel composing Ctrl+Z
Repeat composing Ctrl+Y
Cut Ctrl+X
Copy Ctrl+C
Paste Ctrl+V
Select all Ctrl+A
Search Ctrl+F
Search again F3
Replace Ctrl+R
Insert Date and Time F5
Convert Big5 to GB F7
Convert GB to BIG5 F8
Switch Insert Mode or Replace Mode Ins

Reading box

Next  Ctrl+Up, PageDown, >
Previous  Ctrl+Down, PageUp, <
Next unread mail Ctrl+U
Select all Ctrl+A
Copy Ctrl+C
Search Ctrl+F
Search again F3
Reply Ctrl+R
Compose Ctrl+N
Change line automatically Ctrl+W
Search Text Ctrl+F

Remote

Do not fetch Ctrl+N
Fetch Ctrl+F
Fetch and delete from server Ctrl+T
Delete Ctrl+Delete
Select multiple mails individually Ctrl+click mouse
Select multiple mails continuously Shift+click mouse, Shift+Up/Down
Select all Ctrl+A
Search all Alt+A
Search according condition Alt+E
When focus on mail list
Do not fetch Space, N
Fetch F
Fetch and delete from server Enter,A
Delete Delete,D

Address Book

Add card Ctrl+N
Add group Ctrl+L
Delete card Delete
Property Ctrl+R, Bspace
Search Ctrl+F
Refresh F5
Select multiple card individually Ctrl+click mouse
Select multiple card continuously Shift+click mouse
Open Compose box Enter