Mailgun is a tool with powerful APIs that allow you to send, receive, track and store email effortlessly. Except, with Zapier you don't have to write any code!

SendGrid's cloud-based email infrastructure relieves businesses of the cost and complexity of maintaining custom email systems

Mandrill is simple, powerful transactional email from the same people that brought you Mailchimp.

Amazon Simple Email Service is a scalable and cost-effective email sending service tailored for both bulk and transactional for both businesses and developers.

All-in-one email marketing solution for SaaS, e-commerce, application and small business owners.

Amitree is an online platform that helps home buyers navigate the process of buying a house.

Postmark is specifically built to deliver your app’s emails to the inbox, fast. Instantly send and receive transactional email with zero maintenance. Since we send transactional only, ISPs love us. Our infrastructure combined with proper content and delivery practices means higher response rates from your customers.

SparkPost by Message Systems is the enterprise-grade, developer-friendly email delivery service. It puts the same deliverability, scalability and speed of the world’s leading email platform in the hands of developers at companies of all sizes in an easily accessible cloud solution.