Features * API integration * Support for an unlimited number of mailing lists * Having an anonymous sign up form to enroll users in a general newsletter. * Each MailChimp list can be assigned to one or more roles * Editing of user list subscriptions on the user's edit page * Allow users to subscribe during registration * Map token and profile values to your MailChimp merge fields * Required, optional, and free form list types. * Standalone subscribe and unsubscribe forms * Subscriptions can be maintained via cron or in real time * Individual blocks for each newsletter * Send all your site emails through the MailChimp STS API and see all of those email statistics.
A very keen refactoring for D7! This is quite an excellent starting point for some powerful functionality.