Mailrelay free email marketing software. It offers a powerful free account, SMTP server, online panel with advanced features, such as advanced statistics, autoresponders, RSS Feed campaigns, API and subscription form generator. You will be able to work with beautiful templates, A/B testing, advanced filters to segment your database. There are several plugins for synchronization with WordPress, OpenCart, Zencart, Magento, Prestashop and Joomla!