Amazon Simple Email Service (Amazon SES) is a cost-effective email service built on the reliable and scalable infrastructure that Amazon.com developed to serve its own customer base. With Amazon SES, you can send and receive email with no required minimum commitments – you pay as you go, and you only pay for what you use.
SendGrid is the market leader in email deliverability. Our powerful cloud-based solution sends transactional and marketing email for hundreds of thousands of customers, allowing them to focus on their business, instead of their email infrastructure.
MailChimp is the world’s leading email marketing platform. 15 million customers, from small e-commerce shops to big online retailers, use MailChimp to express themselves to the world.