Gemessen am 2026-07-04 · öffentliches DNS
Ist montreuil.fr gegen E-Mail-Spoofing geschützt?
Ja — montreuil.fr setzt DMARC durch (p=reject).
Haltung unverändert seit dem 2026-06-19
Stärker geschützt als 81 % der Rathäuser in Frankreich
12 % der Branche setzt bereits p=reject durch
B
DMARC
p=reject
SPF
~all
DKIM
5 Selektor(en)
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So behebst du es
Thomas, der DMARC-Copilot, findet jede Quelle, schreibt das exakte DNS und bringt deine Domain sicher von p=none zu p=reject.
Veröffentlichter Eintrag
v=DMARC1; p=reject;pct=100; sp=none; aspf=r; rua=mailto:dmarc@mailinblue.com; ruf=mailto:dmarc@mailinblue.com; rf=afrf; ri=86400Was das bedeutet
- • 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.
Verlauf
- 2026-07-04SPFGeschützt (p=reject)
- 2026-06-26Erste MessungGeschützt (p=reject)
Über Montreuil
Montreuil is a French municipality located in Seine-Saint-Denis, in the Île-de-France region. As a local public organization, the city manages a broad range of digital communications encompassing official administrative correspondence, citizen notifications, internal exchanges between municipal departments, and communications with institutional partners. The montreuil.fr domain serves as the critical email infrastructure supporting these essential functions.
Securing this domain is of paramount importance given the risks of identity spoofing and phishing attacks, threats that particularly concern local authorities. Fraudsters regularly target public domains to impersonate trusted institutions and deceive citizens or institutional partners. A robust implementation of DMARC, SPF, and DKIM protocols on montreuil.fr is essential for authenticating legitimate messages and rejecting unauthorized sends.
Under the NIS2 Directive and strengthened national cybersecurity regulations for critical entities, local authorities must demonstrate email security posture compliant with public sector standards. Email domain authentication forms an integral part of these compliance obligations. For Montreuil, establishing a coherent DMARC strategy represents a strategic investment in protecting its digital reputation and the confidence that citizens and partners place in the municipality's official communications. This authentication framework mitigates the risk of domain abuse while reinforcing institutional trust and safeguarding sensitive administrative information flows.