Email on Acid is the fast, affordable email testing solution.

Our platform gives email marketing teams the power to quickly render their design across the most popular email clients and devices, so they can perfect their message, reach more subscribers, and increase ROI. But don’t take our word for it, read our customer reviews:

Mail Ninja

Improving overall quality of emails means the MailNinja designers and developers need to test their code on multiple email clients and devices. They need to ensure that the finished product they send to the client will work for every subscriber, helping the client’s overall email marketing ROI.

Read More About How Mail Ninja’s Email Quality Improved



Learn how a true white label email preview integration has helped Iterable create a robust growth marketing platform.

Read More About How Iterable Ultilizes Email on Acid