Amazon SES - Scale your business email & marketing messages with Amazon Simple Email Service (SES), a cost-effective and reliable cloud email service. Sign up today.

Astronomer - Capture every user event and route them anywhere. Automatically

Mandrill - Mandrill is a new way for apps to send transactional email. It runs on the delivery infrastructure that powers MailChimp.

mParticle - mParticle is the customer data platform for brands leading the CX revolution. Unify data and simplify partner integrations with enterprise-class security and reliability.

Mailgun - A set of powerful APIs that enable you to send, receive and track email from your app effortlessly whether you use Python, Ruby, PHP, C#, Node.js or Java.

Segment - We make customer data simple.