APRS messages are stored for 14 days. It is possible to search using wildcards (*?) after a prefix.
2021-05-04 08:58:43 EDT: WLNK-1>VE7EPT: You have 5 Winlink mail messages pending 2021-05-07 14:30:29 EDT: VE7EPT>SMSGTE: @jesse? Coming Tomorrow? Gary is available as helper. 2021-05-07 14:30:31 EDT: SMSGTE>VE7EPT: Message to jesse delivered 2021-05-07 16:49:48 EDT: VE7EPT>SMSGTE: @gary? Be here tomorrow about 08:30? Bring food and drink. 2021-05-07 16:49:51 EDT: SMSGTE>VE7EPT: Message to gary delivered 2021-05-07 16:51:07 EDT: SMSGTE>VE7EPT: @gary Ok I have a kennel to put dog in , in back of truck if that h 2021-05-07 16:51:53 EDT: VE7EPT>SMSGTE: He should be fine. Up to you. 2021-05-07 16:52:05 EDT: SMSGTE>VE7EPT: @gary K 2021-05-07 16:52:59 EDT: SMSGTE>VE7EPT: @gary K