There is consistently an "Unable to set write file size" warning when MixMonitor attempts to save a copy of a recording to a mailbox:
[2025-04-26 21:36:00.194] > MixMonitor attempting to send voicemail copy to REDACTED
[2025-04-26 21:36:00.193] WARNING[2743286][C-0000555b]: format_wav.c:230 update_header: Unable to set write file size
You must be