Trusting Transactional Email - Best practices for safeguarding user trust and breaking the attack chain

Most organisations work to secure email sent and received by their users. But for every email written by a person, at least six more are generated by systems. They’re called transactional emails—think password resets, receipts, invoices, one‑time passcodes, delivery updates, reminders and the like.

Transactional emails help make modern business possible. They bear the digital imprint of your trusted email domain. And they aren’t questioned by most recipients.

Unfortunately, these emails also go largely unsecured. They sit outside your protected email infrastructure (for valid technical and business reasons). So they are prone to being compromised by cyber criminals seeking to exploit your domain—and your users’ trust.