I reviewed my logs to see why a file was not imported. Message said "Unknown Inbound File."

Not sure what that means.

it starts with 618*.* and that is Micronet echo mail or I also connect for
BRE to another 618 node

Ruben Figueroa aka Zazz
Mystic Prison Board Sysop
telnet://pb.darktech.org:24
Web: www.rdfig.net

--- Mystic BBS v1.12 A39 2018/04/21 (Windows/32)
* Origin: Mystic Prison Board BBS*Mesquite Tx (21:1/134)