CR> I am also going to try to run it under emulation on y Rpi3.  Is
 CR> trapdoor available anywhere?

If you are running in emulator and have a shared filesystem between the Amiga
and the host you also have the possibility to run mailer and tosser on the
host system. I'm running Binkp and Crashmail in Linux and NiKom can read the
message base through the shared file system.

--- NiKom v2.3.1
 * Origin: Delta City (deltacity.se, Vallentuna, Sweden) (2:201/120.0)