On Tue, 09 Dec 2014, Bill McGarrity wrote to Daryl Stout:

 DS> Does it make a difference with what FIDONet style mailer Internet 
 DS> Rex runs with?? I had previously had it set to InterMail (what I 
 DS> had used when I was on dial-up), but one of my connects, running a 
                                      ^^^^^^^^^^^^^^^^^^^^^^

 DS> Synchronet BBS, apparently, has his setup setup as a BinkleyTerm 
 DS> mailer, with FLO and CUT files. I am deleting them, as my system 
 DS> doesn't know what to do with them. But, it appears that my BBS is 
 DS> creating the necessary outbound PKT and other files (with the 2 
 DS> letter ID for the day of the week, then either a number from 0 to 
 DS> 9, or a letter from A to Z).

 DS> Since my BBS is telnet/web only (no dial-up), even though Virtual
 DS> Advanced has a deal to "check for FIDOMail (EMSI)" at logon, I have
 DS> that disabled.

 BM> In the Config, under Files, paths and programs, look under Frontend
 BM> Mailer setup and choose Binkley style.

daryl has said what mailer he is running... the one sending him the ?LO and
?UT files is one of his connections and it appears that they are
misconfigured since they are sending BSO control files that should not be
being sent...

)\/(ark