%MAILSERV-W-NOFILES, no files found

      The supplied file specification does not match any available
      files.

  %MAILSERV-F-NOFILESERV, file service is not enabled

      The mail server is not configured to operate as a file server.

  %MAILSERV-W-WRITEERR, file writing error

      An error occurred while the server was producing your directory
      listing. Try resending the command at a later time.