APRS messages are stored for 14 days. It is possible to search using wildcards (*?) after a prefix.
2024-05-09 09:13:03 EDT: WLNK-1>KO4ISH: You have 1 Winlink mail messages pending 2024-05-09 09:14:03 EDT: WLNK-1>KO4ISH: You have 1 Winlink mail messages pending 2024-05-09 09:16:03 EDT: WLNK-1>KO4ISH: You have 1 Winlink mail messages pending