# Mail Security

Real-time SPF, DKIM and DMARC posture for every domain you own, with the next step spelled out. Tests read DNS and mail servers; no message is sent.

## Areas
Posture (DMARC ladder from none to reject), Domains, SMTP nodes (read-only TCP connect, STARTTLS and AUTH checks), Header analyzer (route map), Look-alike domains, Spoof test, Phishing campaigns.

Related: [Free DMARC, SPF and MX checker](https://www.emcheq.com/tools/dmarc-checker), [SPF, DKIM and DMARC explained](https://www.emcheq.com/learn/spf-dkim-dmarc-explained), [DMARC from none to reject](https://www.emcheq.com/learn/dmarc-none-to-reject)