2026-04-166 min readEmail is the most accessible interface in the world. It is ubiquitous. There’s no need for a custom chat application, no custom SDK for each channel. Everyone already has an email address, which means everyone can already interact with your application or agent. And your agent can interact with anyone.If you are building an application, you already rely on email for signups, notifications, and invoices. Increasingly, it is not just your application logic that needs this chann...