Blog

Product updates, deliverability insights, and engineering notes.

Introducing Risu Mail

Transactional email infrastructure built for developers who care about deliverability, speed, and clear APIs.

A practical walkthrough: authentication, templates, and what to log when something goes wrong.

SPF, DKIM, DMARC, and bounce handling — the minimum bar for landing in the inbox, not spam.

Expiry windows, rate limits, and copy that keeps users moving without compromising security.

Idempotency, retries, and signatures so your app stays consistent when the network is not.

Follow our journey and learn how to build reliable email systems.