> e-mails are a dumpster fire. That's not surprising, but what exactly is broken about emails? And of those problems, which can't be fixed without breaking bac

> e-mails are a dumpster fire. That's not surprising, but what exactly is broken about emails? And of those problems, which can't be fixed without breaking backwards-compatibility? I've heard there are problems with verifiability, for example. Permitting backward-compatibility in security seems like you'd end up with the old-SSL problem.