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Email On Acid was named one of the companies worthy of attention in Colorado in 2019. While achieving rapid growth, the company is also recognized for its industry innovation. Email development is by no means simple, which is why they want to create an email quality assurance platform that makes it easier for marketers and developers to improve their email. Their goal is to give you confidence in your email every time you send an ad, because Email On Acid knows that your email is great for every subscriber on every platform. Their email test API integration seamlessly fits your platform and allows your users to test their email designs across more than 70 clients and devices. It also includes their spam testing tool, which checks the mailing capabilities of 23 of the most popular spam filters and 72 of the most common blacklisting services.