How can I set up sky file to work with Furuno Felcom 500 and
access mode Inmarsat IP, or other BGAN/FBB/SBB and number 18.104.22.1686 TCP/IP?
You might need to use the official manuals to learn how to set up the SkyFile with the Furuno Felcom 500. Access the official website and download the PDF files. On a side note, it appears that there is low compatibility between SkyFile mail and Furuno Felcom 500. However, the manuals should help you configure it.