Gemessen am 2026-07-04 · öffentliches DNS
Ist sumeria.eu gegen E-Mail-Spoofing geschützt?
Teilweise — sumeria.eu verschiebt nicht authentifizierte Mails in die Quarantäne (p=quarantine).
Haltung unverändert seit dem 2026-06-19
Stärker geschützt als 29 % der Banken in Frankreich
55 % der Branche setzt bereits p=reject durch
B
DMARC
p=quarantine
SPF
-all
DKIM
keiner gefunden
BIMI-fähig: Veröffentliche dein Logo, um es in den Postfächern anzuzeigen
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; rua=mailto:operations@lydia-app.com;Was das bedeutet
- • Politique p=quarantine : les messages non alignés sont mis en indésirable.
- • Aucune clé DKIM trouvée sur les sélecteurs courants (le domaine peut utiliser des sélecteurs non standards).
Verlauf
- 2026-06-26Erste MessungIn Anwendung (p=quarantine)
Über Sumeria
Sumeria is a French organization registered under the domain sumeria.eu. As an entity operating in France, it manages a significant email perimeter encompassing internal communications between employees, exchanges with its digital services, and all official correspondence with partners, clients, and government administrations. Securing this perimeter represents a critical issue for maintaining trust and regulatory compliance. The domain sumeria.eu constitutes a potential vector for identity spoofing if email authentication protocols are not properly configured. Risks include messages being sent under the organization's name without authorization, potentially compromising its reputation and exposing recipients to phishing or fraud threats. For a French organization of this scale, rigorous implementation of DMARC, complemented by SPF and DKIM, aligns with national and European cybersecurity obligations, particularly NIS2, which strengthens security requirements for critical infrastructures. Robust email authentication also represents a key element in DORA strategy for entities subject to these directives. Securing sumeria.eu through DMARC enables strict control over domain usage, blocks spoofing attempts, and ensures the authenticity of official communications. This approach protects not only Sumeria's reputation but also secures its entire ecosystem of correspondents.