did you know with the latest Delta Chat releases (2.25.0 and above) if you are using Delta Chat with chatmail you basically have almost zero metadata on the server?
- if you have a single device messages are deleted from server immediately after download
- only metadata available in message is its size and the sender/receiver which if you and your peers use chatmail is just some random garbage ex
j2ad5h8eq@example.com
more info here: FAQ - Delta Chat