For those that didn't read it, a backup still remains in the US for now, as they only have 1 data centre in Europe at the moment, so not complete data sovereignty yet.

Wikipedia:

Fastmail is a subscription-based[2] email hosting company based in Melbourne, Australia.

So the rant I'd written about US companies handing over data regardless of location has been chopped.

Haha, I met with the team that was here building out the colo when in Amsterdam. Nice peeps.