License should be per user, not per computer

I love eM Client and want to support you guys for your excellent work. However when I went to buy a Pro license I saw that the fee is per device, not per person. As a software engineer I have an unusual setup where I bounce around between 5 different computers. So licensing per device is a lot more money than I would like to spend. If you would create a license that is per-person, not per-device, I would be happy to pay up and support your work.