To answer your question on where it's used, have you seen https://providers.xmpp.net/ ?
(It might be worth testing your client against a few different servers...)
That's where I found who to use, until I get to setting up prosody at home.
To answer your question on where it's used, have you seen https://providers.xmpp.net/ ?
(It might be worth testing your client against a few different servers...)
That's where I found who to use, until I get to setting up prosody at home.