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

Protokol Genel Bakış

Tam Ad Sender Policy Framework

Kısaltma SPF

OSI Katmanı Application Layer

Kategori Email

RFC RFC 7208

Hakkında SPF

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

Application Layer Email

Standartlar Referansı

SPF, Internet Engineering Task Force (IETF) tarafından yayımlanan RFC 7208 belgesinde tanımlanmıştır. RFC'ler, internet protokolleri için resmi standart belgeler olup kamuoyunun incelemesi için serbestçe erişilebilir durumdadır.

İlgili Protokoller — 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