Opera Browser Shortcuts Key - 4
| 46 | Ctrl + Shft + S | Send composed message |
| 47 | J | Go to next e-mail |
| 48 | U | Go to previous e-mail |
| 49 | H or Shft + J | Go to next unread e-mail |
| 50 | Y or Shft + U | Go to previous unread e-mail |
| 51 | Alt + Up | Scroll up in mail body (even when focus in mail list) |
| 52 | Alt + Down | Scroll down in mail body (even when focus in mail list) |
| 53 | I | Toggle view: message list/message body/list and body |
| 54 | Right arrow | Expand current thread |
| 55 | Left arrow | Close current thread |
| 56 | Shft + Right arrow | Expand all threads |
| 57 | Shft + Left arrow | Close all threads |
| 58 | K | Mark selected e-mail as read |
| 59 | G | Mark selected e-mail as read, and go to next unread e-mail |
| 60 | T | Mark selected e-mail as read, and go to previous unread e-mail |
