they get it. #[1] 
Discussion
The next step is having a single address for email, #nostr & #lightning
True. How can I do that?
If you’re self hosting a website, you can follow one of the traditional guides on email forwarding.
For Nostr and LN stuff check out these guides:
NIP-05 setup: https://nvk.org/n00b-nip5
LN forwarding setup: https://guides.getalby.com/overall-guide/alby-lightning-account/where-to-use-your-lightning-address/how-to-use-your-own-domain-in-your-alby-lightning-address