Fastmail is an Australia based company. The do operate servers around the globe and have a significant presence in the USA. https://www.fastmail.com/about/comp

Fastmail is an Australia based company. The do operate servers around the globe and have a significant presence in the USA. https://www.fastmail.com/about/company.html https://www.fastmail.com/about/company.html I am not implying this is any better or worse for your privacy. I personally use and trust Fastmail with the security and privacy of my email. However everyone concerned about such matters should do their own research and decided based on their own needs.