APRS messages are stored for 14 days. It is possible to search using wildcards (*?) after a prefix.
2024-05-10 08:23:17 EDT: WLNK-1>LA1TPA-6: You have 1 Winlink mail messages pending 2024-05-10 08:24:17 EDT: WLNK-1>LA1TPA-6: You have 1 Winlink mail messages pending