It requires a working install of the Email Marketing Framework and a CakeMail API access.
Install the EMF CakeMail module as usual. There's no required 3rd-party library for the module to operate.
The EMF CakeMail module is dependent on the EMF module.
The configuration page is at admin/config/emf/cakemail, where you can enter your API details.
Available lists will appear in EMF admin area once cron has run.
Drupal 7 only at the moment but a Drupal 6 backport should be straightforward.