Mandrill – Transactional Email from MailChimp
Mandrill is a new way for apps to send transactional email. It runs on the delivery infrastructure that powers MailChimp.
Mandrill is MailChimp for apps
Mandrill is a transactional email product from the people who brought you MailChimp. Apps can use Mandrill to send automated one-to-one email, like password reminders, shopping-cart receipts, and personalized notifications.