Historical clue formulations

• Ill-prepared — 2026-07-23
• Email sorting option — 2026-03-18
• Email status — 2024-10-04
• Not book-smart — 2016-09-27
• Like letters marked "Return to sender" — 2013-01-13
• Lacking in knowledge — 2011-10-19
• Like junk mail, usually — 2001-02-17