Code:
2021/05/12 06:34:07 [INFO] acme: Registering account for [email protected]
2021/05/12 06:34:07 Could not complete registration
acme: error: 400 :: POST :: https://acme-v02.api.letsencrypt.org/acme/new-acct :: urn:ietf:params:acme:error:invalidEmail :: Error creating new account :: contact email "[email protected]" has invalid domain : Domain name does not end with a valid public suffix (TLD), url:
Certificate generation failed.