FTS-4 just says "seen-by lines at the end of Conference Mail messages", so we probably should be parsing these even if/when there is no origin line.
--- SBBSecho 3.23-Linux
* Origin: Vertrauen - [vert/cvs/bbs].synchro.net (1:103/705)
Who's Online
Recent Visitors
Guest
Wed Feb 5 06:59:48 2025
from
/bin/busybox Cat /proc/self/ex
via
Raw
Rickv
Wed Feb 5 00:21:50 2025
from
Plymouth, Mn
via
Telnet
Guest
Mon Feb 3 07:15:48 2025
from
Fr
via
Telnet
Ivan Zelenyi
Mon Feb 3 06:09:31 2025
from
Nizhnevartovsk, Khmao
via
Telnet