Mailchimp Transactional Email (formerly Mandrill) is a reliable, scalable and secure delivery API for transactional emails from websites and applications.
Help Scout is the company team with a scalable help desk, while keeping the customer experience simple and personalized. Customers won't have to create an account or keep track of their ticket number because to them it works just like email.
Mandrill is a scalable and affordable email infrastructure service, with all the marketing friendly analytics tools they come to expect from MailChimp.