What port does DMARC use?

DMARC does not use a specific default port number. The protocol is defined in RFC 7489.

Unknown

Domain-based Message Authentication

Q: What is Domain-based Message Authentication?

Domain-based Message Authentication (DMARC) is a Application Layer protocol in the Email category. Email policy protocol that builds on SPF and DKIM. Tells receivers how to handle messages that fail authentication and provides aggregate reports.

Application Layer — Email

Aperçu du protocole

Nom complet Domain-based Message Authentication

Abréviation DMARC

Couche OSI Application Layer

Catégorie Email

RFC RFC 7489

À propos DMARC

Email policy protocol that builds on SPF and DKIM. Tells receivers how to handle messages that fail authentication and provides aggregate reports.

Application Layer Email

Référence des standards

DMARC est défini dans RFC 7489, publié par l'Internet Engineering Task Force (IETF). Les RFCs sont les documents de normes officiels pour les protocoles internet et sont disponibles gratuitement pour examen public.

Protocoles associés — Application Layer

HTTP Hypertext Transfer Protocol HTTPS HTTP Secure HTTP/2 HTTP/2 HTTP/3 HTTP/3 WS WebSocket SMTP Simple Mail Transfer Protocol IMAP Internet Message Access Protocol POP3 Post Office Protocol v3