Transactional Email

Dynamic email templates for Stripe events.

turboSMTP is a reliable, powerful, easy-to-use SMTP server that maximizes the deliverability of all...

The #1 email warming service to improve your deliverability by generating realistic and meaningful engagement to your emails. Easy-to-use solution to help you land in the main inbox instead of the spam folder.

Visit website paid $19.5 / Monthly (Pro)

Smart email marketing software that helps you reach your target audiences, engage in a personalized way, and grow your brand presence.

Open Source freemium $25.0 / Monthly (up to 2500 contacts, unlimited emails)

SqueezeCMM helps track content marketing performance for lead generation on any channel or network.

Email sending library for PHP.

Open Source

A book for marketers wanting to future-proof content teams

JangoSMTP is a transactional email delivery service that adds tracking and authentication to email.

Open source tool for developers to set up product notifications in less than 5 minutes

MessageGears is a hybrid enterprise multichannel marketing solution built for data-centric, large volume businesses.

The best email tracking solution I've found. Free

SMTP provides scalable affordable email infrastructure for all your sending needs.

You can use SendGrid via SMTP or our simple to use Web API. Understand how best to utilize SendGrid.

Transactional Email SMTP Service for Web and Mobile Apps