This document discusses email accessibility and typography. It is authored by Paul Airy, an email designer and developer. The document discusses the challenges of applying web accessibility guidelines like WCAG to email. However, it argues that focusing on guidelines we can implement, like using semantic HTML tags and ensuring adequate color contrast, can make email more accessible. It provides tips for email designers like using minimum font sizes, line heights, and including text alternatives for images. The goal is to make email accessible to more people, including those with disabilities, while recognizing the technical limitations of the medium.