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Sender Policy Framework
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Application Layer — Email
协议概览
全称
Sender Policy Framework
缩写
SPF
OSI 层
Application Layer
类别
Email
RFC
RFC 7208
关于 SPF
Email authentication protocol that specifies which mail servers are authorized to send email for a domain via DNS TXT records.
Application Layer
Email
标准参考
SPF定义于互联网工程任务组（IETF）发布的RFC 7208中。RFC是互联网协议的官方标准文档，可免费公开查阅。