Simply said, the user will provide the email. No, there is not yet a features page, because there this feature feature is not yet released. In the first release

Simply said, the user will provide the email. No, there is not yet a features page, because there this feature feature is not yet released. In the first release I wanted to focus on getting the newsletter sign-up flow right. To prevent spamming the signup, there are some checks, heavy rate limiting, and an internal rating system in place to determine the likelihood of a real/spam email addresses.