CMC - Mailchimp® for Joomla!™

CMC is an extension for Joomla 2.5 that integrates with the Mailchimp API. It currently supports:

* double way synchronisation of lists & users
* adding users to Mailchimp through the joomla backend
* newsletter signup module

The Joomla zip package can be found here: https://compojoom.com/downloads/cmc
Support is offered through the forum here: https://compojoom.com/forum/cmc-mailchimp-for-joomla