What is Sender Policy Framework?

Sender Policy Framework (SPF) is a Application Layer protocol in the Email category. Email authentication protocol that specifies which mail servers are authorized to send email for a domain via DNS TXT records.

What port does SPF use?

SPF does not use a specific default port number. The protocol is defined in RFC 7208.

Unknown

Sender Policy Framework

Application Layer — Email

Resumen del protocolo

Nombre completo Sender Policy Framework

Abreviatura SPF

Capa OSI Application Layer

Categoría Email

RFC RFC 7208

Acerca de SPF

Email authentication protocol that specifies which mail servers are authorized to send email for a domain via DNS TXT records.

Application Layer Email

Referencia de estándares

SPF está definido en RFC 7208, publicado por el Internet Engineering Task Force (IETF). Los RFC son los documentos de estándares oficiales para los protocolos de internet y están disponibles gratuitamente para revisión pública.

Protocolos relacionados — 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