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Not the most active sub but useful:

https://old.reddit.com/r/selfhosted/

Just pay for office 365 or iCloud, either of them offer all the services you listed. And for much cheaper than $50/month.

I pay for G Suite personally, I have nothing against google except that I knew their free gmail account doesn’t have support and I wanted to be able to contact someone if I ever had a problem with my mail.

Edit: or if you really just want to avoid big companies, https://puri.sm/posts/purisms-librem-one-suite-of-privacy-pr...

50 bucks? yeah that's about doable. run your own cloud with owncloud/seafile. (owncloud added bonus is calendar ) get email service in a privacy tight country (switzerland).

There exists and org like that, it's called Framasoft:

https://degooglisons-internet.org/en/

If you're willing to pay, that really helps. There are countless mail services that are way better than gmail while also not spying on you.