https://github.com/coopdevs/certbot_nginx#example-playbook---multiple-certificates-creation The var `letsencrypt_email` is needed in the `certificate.yml` tasks, not in the certbot installation.
https://github.com/coopdevs/certbot_nginx#example-playbook---multiple-certificates-creation
The var
letsencrypt_emailis needed in thecertificate.ymltasks, not in the certbot installation.