Is that actually proton mail?
Wtf nostr:npub18q57qr3t07qljnapzqldaqa7ru2qwfpfnjdrwvhk327n3sc82f0qqwrs6f , why isn't nostr in this list?! 
Discussion
Proton survey i was filling out 🤷♂️
I mean that npub
No, thats from mostr bridge. I _think_ it's a two-way bridge so they can see that someone actually mentioned them in a post, but I'm not too sure about that.
cc nostr:npub108pv4cg5ag52nq082kd5leu9ffrn2gdg6g4xdwatn73y36uzplmq9uyev6