How to add an email signature into G Suite or Gmail emails
- Go to https://www.google.com/recaptcha, look at the top right corner and click the Admin Console button
- Enter your domain as the label
- Choose the type of reCAPTCHA
- Enter your domain in Domains
- Checked on Accept the reCAPTCHA Terms of Service and click Submit button
- Google will generate two keys: Site Key and Secret Key, provide the keys to your site developer