Are you tired of manually contacting your Inactive users? Why not Automate it? Mail Automation will do this for you and more. We know how difficult it is to get members to sign up, but it more difficult to keep them coming back. Mail Automation purpose is to keep your members closer to your website, this is why we also integrated Highlights feature to your Mail Automation.
Sitemap is a tool that inform search engines about the structure of your site. By placing a sitemap on your website, you enable Search Engine crawlers (like Google) to find out what pages are present and which have recently changed, and to crawl your site accordingly. You don't have to manually submit sitemap as it automatically (if settings is enabled in the admincp) Notify Popular Search Engines (Google, Bing) when sitemap changes.