Well, both client and relay need to know about the NIP-42 flow 🤔 If the relay issues an AUTH challenge and the client doesn't know what do with it, it won't get the protected notes.
Discussion
Yep, both have to implement the flow, nostr:npub1dww6jgxykmkt7tqjqx985tg58dxlm7v83sa743578xa4j7zpe3hql6pdnf your blowater client impments nip42?
Not yet.