CA="https://acme-v02.api.letsencrypt.org/directory" OLDCA="https://acme-v01.api.letsencrypt.org/directory" CHALLENGETYPE="dns-01" BASEDIR=$SCRIPTDIR DOMAINS_TXT="${BASEDIR}/domains.txt" CERTDIR="${BASEDIR}/certs" ACCOUNTDIR="${BASEDIR}/accounts" HOOK="${BASEDIR}/hook.sh" HOOK_CHAIN="yes" PRIVATE_KEY_RENEW="no" CONTACT_EMAIL="your-le-email@example.net"