I don’t think you even need to configure the email.

If I recall correctly emails are optional for Let’s Encrypt but Caddy are partnered with ZeroSSL who do require emails so you’re encouraged to provide one.

You have entirely misunderstood this exploit.

Does anyone have links to the dumpster fire of a reddit thread in one or the Proton subs? There was also one of r/privacy but I can’t find either so suspect they’ve been deleted to try to quell the flames.

It was very entertaining drama