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Measured 09/22/2026 · public DNS

Is lemesnilsaintdenis.fr protected against email spoofing?

Not yet — lemesnilsaintdenis.fr only monitors DMARC (p=none); spoofed mail can still be delivered.

Unchanged since 09/13/2026

Stronger than 60% of city halls in France

12% of the sector already enforces p=reject

See the sector barometer →See the whole sector →

D

DMARC

p=none

SPF

-all

DKIM

1 selector(s)

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Published record

v=DMARC1; p=none; rua=mailto:rua@dmarc.brevo.com

What this means

  • • Policy p=none: monitoring only, no unauthenticated message is blocked.
  • • At least one valid DKIM key published.
  • • No MTA-STS (_mta-sts): inbound SMTP connections remain exposed to TLS downgrade. Recommended alongside DMARC.
  • • No TLS-RPT (_smtp._tls): the TLS failures encountered by senders are not reported.

History

  • 09/13/2026First measurementMonitoring only (p=none)

About Le Mesnil-Saint-Denis

Le Mesnil-Saint-Denis is a French municipality located in the Yvelines department, in the Île-de-France region. It is situated within the Chevreuse Valley area, near several urban centers and protected natural zones characteristic of this part of western Île-de-France. Its geographical setting, marked by an environment combining wooded areas, residential zones, and public facilities, gives it a distinct identity within the intercommunal structure to which it belongs. As a territorial authority, the municipality carries out the traditional missions assigned to French local governments: management of local public services, maintenance of municipal roads, organization of school and after-school facilities, management of green spaces and sports and cultural infrastructure, as well as the implementation of decisions made by the municipal council under the authority of the mayor. It also participates in intercommunal initiatives led by the Haute Vallée de Chevreuse community of communes, particularly regarding land use planning, sustainable development, and the pooling of certain public services. The positioning of Le Mesnil-Saint-Denis reflects that of a peri-urban municipality, balancing proximity to the Paris metropolitan area with the preservation of a more rural living environment. This geographical situation directly influences municipal orientations regarding urban planning, the preservation of natural spaces, and the development of services to residents. The municipality relies on its elected bodies to define budgetary priorities, development projects, and local public policies, within the scope of its own competencies as part of the French territorial organization. The website lemesnilsaintdenis.fr serves as the official institutional portal of the municipality, providing practical, administrative, and municipal information intended for residents and users.

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