Take control of your transactional email. sendwithus is the missing tool for marketers to manage and optimize transactional emails.

Learn why more developers choose SendGrid for their email deliverability service to send transactional emails triggered by web apps. Get started for free

Ariticmail is a transactional email delivery API for applications and enterprises.

MailChimp is the best way to design, send, and share email newsletters.

Elastic Email is an all-in-one email delivery platform for both marketing and transactional email.

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

A simple API to integrate print & mail solutions into your applications.

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.

Postmark is the easiest and most reliable way to be sure your important transactional emails get to the inbox. Simply & reliably parse recieved email to JSON for your webapp.

Email analytics made simple. shiftmail provides a REST API and web interface for intelligence gathering within email marketing.

All-in-one email service provider that provides maximum insight and deliverability results for both marketing and transactional emails.

PostageApp is an email management service that makes it easy to design, deliver, and manage all of the email that websites or applications send.