Sendgrid

JangoSMTP lets you send transactional emails via SMTP or API. It's the first transactional email service to offer open and click tracking. Pricing is based on the number of emails …

Postmark removes the headaches of delivering and parsing transactional email for webapps with minimal setup time and zero maintenance. Send API and SMTP interface.

PostageApp is a service that makes it easy to design, deliver, and manage emails from your application. Templates that are written in HTML and CSS, automatically flattened into email safe …

SMTP Logic integrates with your current email system to automate all aspects of email processing, from analytics to security. It’s plug-and-play with no software or hardware to install. Some of …

Mailgun is email automation for developers. Use our REST APIs to effortlessly send, receive and track email from your website or application.

Cloud Emailing by Mailjet. Create, send and track your marketing and transactional emails. Easy SMTP integration & cheap rates: boost your deliverability now!

SMTP2GO removes the headaches of email delivery, saving you time and money.

Mandrill is a scalable and affordable email infrastructure service, with all the marketing-friendly analytics tools you’ve come to expect from MailChimp.

CritSend's full SMTP relay service and API ensures inbox delivery for your transactional mails. Never worry about email compliance, deliverability, IP reputation or blacklisting. Free email service from CritSend.

Dispatch is the best email parser.

userfox helps companies send "better email" what we mean by better is more interesting, higher converting emails. userfox allows marketing teams to create sophisticated individual or drip sequence...

Elastic Email is a simple, fast email delivery service for your cloud application or marketing needs. Elastic Email is designed as an SMTP relay for reliable delivery of email marketing …