Hey is a great option for someone wanting to start over with email, but the key feature is not available just yet: Custom domains. The best thing you can do is

Hey is a great option for someone wanting to start over with email, but the key feature is not available just yet: Custom domains. The best thing you can do is separate your email address from the client — and own that address. I trust Basecamp, but always a good idea to own your name online.