https://www.tntware.com/tntconnect/help/faq_en/pages/how-can-i-add-integration-for-a-newsletter-service.aspxYou need to host a simple text file on your site that describes to TntConnect what your various endpoints are. It's in the "ini" format. As an example, here's some actual endpoints: [simple] http://www.chalkline.org/ini.txt [advanced] http://www.prayerlettersenCommunityServer 2008.5 SP2 (Debug Build: 40407.4157)