No, mainly focused on my cloud infra right now. Finding an alt to gmail+gsuite is something I'd like to do if there were reasonable options, but that involves non tech people also being open to that option

IDK about Cloudflare but Fastmail is excellent.

Not really 1:1 but I did find this

https://www.cloudflare.com/developer-platform/products/email...

that is very interesting for another thing I have in mind, thanks for the share!