Acajoom PRO includes all the features of Acajoom Plus and News and more: Acajoom News: http://extensions.joomla.org/component/option,com_mtree/task,viewlink/link_id,964/Itemid,35/ Acajoom Plus: http://extensions.joomla.org/component/option,com_mtree/task,viewlink/link_id,1619/Itemid,35/ * Access Level Control: You can now define who can subscribe or view your mailings. * Front-End Edition:You can specify what users group can create or edit mailings. * Community Builder Tags: if you use CB on your site, you will love this new CB tag. You can specify include in your mailing any of the Community Builder field. * Smart-Newsletters: Just rest and let Acajoom do the job. Acajoom Smart-Newsletters can take the latest articles ( created or modified ) and automatically create/send a newsletter based on them. You specify which category or section you want to take the articles from. * Articles Auto-Archive: Specify the the category or section , the duration for which an article should be considered archive and Acajoom will automatically archive it for you, when date is due. * Create registration form: easily create HTML code for a newsletter registration form. Copy and paste it into another HTML page, for example another website. * Database Maintenance and Optimization: Acajoom leverage its scheduling function to run a database maintenance procedure to keep your website optimized and running faster. * MIME and text email: You can now choose in what encoding you want to send your mailings. * Subscription through URL: to easily integrate Acajoom powerful functionality with other components or website you can use the subscription by URL option. Editor's Note: * This extension requires registration to download.