On 30 Oct 2019 at 07:39a, Richard Fairman pondered and said...
 
 RF> I get the error "unknown inbound file" when I try to bring them into my
 RF> bbs using mutil with my mailing ini file I can see the files in
 RF> echomail/in Thanks

Do you have logging at level 3?

What is the name of the file in your echomail\in folder?

--- Mystic BBS v1.12 A43 2019/03/03 (Windows/32)