Restructured pricing, now require a paid Mailchimp account as well. See here for HN discussion <a href="https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=11170713" rel="nofollow">https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=11170713</a>