DMARC

Measured 2026-06-26 · public DNS

Is montreuil.fr protected against email spoofing?

Yes — montreuil.fr enforces DMARC (p=reject).

Unchanged since 2026-06-19

Stronger than 80% of city halls in France

13% of the sector already enforces p=reject

See the sector barometer →

B

DMARC

p=reject

SPF

~all

DKIM

5 selector(s)

Eligible for BIMI: publish your logo to display it in inboxes

How to fix it

Marc, the DMARC copilot, finds every sender, writes the exact DNS, and walks your domain safely from p=none to p=reject.

Get to p=reject — freeRe-check liveUnderstand DMARC

Published record

v=DMARC1; p=reject;pct=100; sp=none; aspf=r; rua=mailto:dmarc@mailinblue.com; ruf=mailto:dmarc@mailinblue.com; rf=afrf; ri=86400

What this means

  • • Politique p=reject : protection maximale contre l’usurpation.
  • • La politique sous-domaine (sp) est plus faible que la politique principale.
  • • SPF se termine par ~all (softfail) : acceptable en phase d’observation, viser -all à terme.
  • • Au moins une clé DKIM valide publiée.

History

  • 2026-06-26First measurementProtected (p=reject)