Gemessen am 2026-07-04 · öffentliches DNS
Ist lehavre.fr gegen E-Mail-Spoofing geschützt?
Teilweise — lehavre.fr verschiebt nicht authentifizierte Mails in die Quarantäne (p=quarantine).
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=quarantine
SPF
-all
DKIM
1 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=quarantine;ri=86400;rua=mailto:dmarc@lehavremetro.frWas das bedeutet
- • Politique p=quarantine : les messages non alignés sont mis en indésirable.
- • Au moins une clé DKIM valide publiée.
Verlauf
- 2026-06-26Erste MessungIn Anwendung (p=quarantine)
Über Le Havre
Le Havre, a major French municipality in Seine-Maritime and a strategic port of Normandy, represents a significant public territorial organization. As a local authority, the city manages an extensive email perimeter encompassing internal administrative correspondence, official communications with citizens, municipal digital services, and exchanges with institutional and private partners. The lehavre.fr domain centralizes the digital identity of this administration and is critical for the legitimacy and security of official communications.
Le Havre faces typical DMARC challenges for French public organizations: domain impersonation risks exploited by cybercriminals, compromise of trusted communication channels with residents, and institutional reputation damage in case of spoofing attacks. These risks are amplified by increasingly stringent regulatory requirements. The NIS2 Directive, transposed into French law, imposes on entities considered essential service operators or critical digital service providers enhanced cybersecurity governance, including email flow security measures. Additionally, for banking services and electronic payments the city may operate, the DORA regulation (Digital Operational Resilience Act) strengthens obligations for digital communication security.
Implementing robust email authentication through SPF, DKIM, and DMARC protocols is a fundamental measure to protect lehavre.fr against impersonation, ensure deliverability of official messages, and comply with public cybersecurity requirements. This cryptographic infrastructure not only secures internal and external exchanges but also contributes to public trust in municipal digital services and reinforces the city's commitment to digital security standards.