The document discusses using the OpenEMM email marketing system to send newsletters generated from TYPO3 content. OpenEMM allows managing subscriber lists and sending emails. The te_openemm_newsletter extension integrates TYPO3 and OpenEMM, allowing newsletter content and recipients to be managed in TYPO3. The summary outlines a 6 step process for creating and sending a newsletter using these systems: 1) create news content in TYPO3, 2) sync subscribers with OpenEMM, 3) create a newsletter, 4) fill it with TYPO3 news, 5) preview and send, 6) view statistics.