You mean Firefox Replay right? It has been in beta for a long time (I mean anything other than the basic free plan). Did you get in via some invite or so?

https://relay.firefox.com right? Or there's another service?

> that makes your email pretty identifiable

Agreed. I have also stopped abusing the catch-all of my domains. It became a pain very soon. Not only privacy issues but I couldn't possibly block those emails/spam that were coming on usernames like sales and many more.