About the racoon recommendation have you tried other Lemmy apps? Curious what made you choose racoon

On a related, is there a list of good open source strategy games? I’m especially interested in grand strategy.

Its best to use a protocol that doesn’t allow unencrypted messages

This is an implementation thing and not a protocol thing. What protocol doesn’t allow unencrypted messages? I am sure signal’s protocol would still allow it, it’s just that the implementation doesn’t.

And same for XMPP. Just go with the implementation that doesn’t.