1. Click once on an email in the list.
2. Hold the Shift button down and use the arrow keys to highlight either up or down the list.
3. Press the Delete key.

If you want to select random emails:
1. Click once on an email you want to mark for removal.
2. Hold the Ctrl key down, and use the mouse to select the emails you want to remove (just
    click once on the emails to select them).