There's no Proton Photos, as far as I am informed. Surprisingly, there is a Proton Calendar. But does it syncs with Calendly or Zoom, for example? I don't think so.
Currently more or less adequate solution in terms of integration is self-hosted Microsoft Exchange. I wonder how much does it cost (including Windows Server license).
Don't trust Hetzner. They will do the same.
Who won't?
There's no Proton Photos, as far as I am informed. Surprisingly, there is a Proton Calendar. But does it syncs with Calendly or Zoom, for example? I don't think so.
Currently more or less adequate solution in terms of integration is self-hosted Microsoft Exchange. I wonder how much does it cost (including Windows Server license).