AI-powered email testing

Background

One of the most highly requested features from customers was automated testing. Manually reviewing how emails render across 100+ email clients is tedious and error-prone. The human factor often leads to overlooked issues, and fixing one problem can inadvertently break something else—requiring repeated rounds of testing. With the rise of AI, new opportunities emerged to automate this process and reduce the manual effort involved.

Design artifacts for now — a full case study is in progress.