The Mailchimp User Sync
module allows you to synchronize your Jamroom site users with your mailchimp email campaign sending system.
mailchimp.com:MailChimp has been around since 2001. The company started as a side project funded by various web-development jobs. Now we’re the world’s leading email marketing platform, and we send more than a billion emails a day. We democratize technology for small businesses, creating innovative products that empower our customers to grow.
If you want to use their system to send emails to your users rather than the jamroom Newsletter Module then this module will help you keep your user lists in sync.