Email on Acid
emailonacid.comThe next generation of email quality assurance for confident sending
Marketing & Growthemail-testingemail-qaemail-previewspam-testingaccessibilitydeliverabilityemail-marketing
About
Email on Acid is an email pre-deployment testing suite that allows marketers and developers to preview and QA emails across 100+ clients and devices before sending. It provides end-to-end content checks including accessibility compliance, spam analysis, link and image validation, and inbox provider compatibility. The platform has evolved into Mailgun Inspect, integrating pre-send checks with high-volume delivery and post-send analysis.
Problem
Emails may render incorrectly across different clients and devices, fail accessibility standards, or land in spam folders, degrading customer experience and ROI.
For
Email marketers and developers who need to QA and test emails before sending
How it works
Users submit their HTML email to the platform, which runs previews across 100+ clients and devices, checks accessibility, validates links and images, and analyzes content for spam triggers before sending.
Business model
subscription
Status
launched
Company
Mailgun