Regarding Magento integration, here is a Sendy integration for Magento extension that was just released. Supports Magento 1.3+ in The ability to upload csv files of subscribers from a remote host Comment by cherif October 2013
Hello Michael,
I have just released a Sendy Integration for Magento. Extension found at: in Sendy and Joomla or Magento integration Comment by cherif October 2013
