Originally Posted by
JALPak
At least for Japan region JMB members, you will be able to request your post-flight JMB miles online. JAL will roll out that feature in mid Feb. But this is limited to international flights only for now.
Actually both ANA and JAL has online post-flight mileage accumulation services for domestic flights (at least in Japan region page).
But for int'l flights, it is really a good improvement. No need to mail boarding pass and e-ticket itinerary any more.