It worked for a Zap with my own NTFY server! I found that it didn't work for a direct message.

If people have access control setup on their NTFY personal server they will need to run something like this to allow the notifications:

ntfy access '*' 'up***********' write-only

Hello nostr:npub1k6f0ecam577lay8mm8azfvs3u4xvl23q82zpc3htee6ath09gg0s9ftryn - Do your notifications work?

Hello BitcoinLizard!