APRS messages are stored for 14 days. It is possible to search using wildcards (*?) after a prefix.
2024-05-23 14:20:06 EDT: WLNK-1>N4GMF-5: You have 1 Winlink mail messages pending 2024-05-24 14:24:54 EDT: WLNK-1>N4GMF-5: You have 2 Winlink mail messages pending 2024-05-25 14:38:56 EDT: WLNK-1>N4GMF-5: You have 2 Winlink mail messages pending 2024-05-26 14:48:15 EDT: WLNK-1>N4GMF-5: You have 1 Winlink mail messages pending 2024-05-30 11:38:49 EDT: WLNK-1>N4GMF-5: You have 1 Winlink mail messages pending