I have one mailadress. But I have to differnt computers. Can I use the eM client that way?

I have one mailadress. But I have to differnt computers. Can I use the eM client that way?

the free license is per machine, so to use it on another computer, you will need to either buy 2 pro licenses or, register another free account using a different email address.

but are the e-mails syncronized?

what does it mean?