Summary of shortcodes that are included:
[groups_newsletters_subscribe]– renders a subscription form for any visitor[groups_newsletters_user_subscribe]– renders a subscription form for registered users only[groups_newsletters_activation]– shows activation and cancellation messages[groups_newsletters]– renders a list of newsletters[groups_newsletters_search]– renders a search form for newsletters[groups_newsletters_tags]– renders a newsletter tag cloud[groups_newsletters_stories]– renders a list of newsletters stories