Documentation

Guides

How things work, in plain language.

Getting started

Create an account, connect a server and run your first checks.

What we need from a server, how login works and what we check before anything is installed.

What an install does, the versions and credits, what is left on your server and how failures are handled.

SPF, DKIM, DMARC, MX, reverse DNS, MTA-STS and TLS-RPT in plain language.

Why new IPs need a ramp and how the built-in schedules work.

What each validation result and blacklist severity means and what to do.

The API reference will appear here when the public API opens.