%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.