Is SPF Generator free to use?

Yes, SPF Generator is completely free. No registration, no account, and no hidden costs — ever.

Is my data safe when using SPF Generator?

All processing happens directly in your browser. Your data never leaves your device — nothing is uploaded or stored on our servers.

No. All CheckTown tools work instantly without registration or sign-up.

SPF Generator works on any device — desktop, tablet, or phone. The interface adapts to your screen size.

生成用于邮件身份验证的 SPF DNS 记录

机制

限定符

类型

默认策略 (all)

SPF 记录

v=spf1 ~all

将此内容添加为 yourdomain.com 的 TXT 记录

Ctrl+Enter 运行Ctrl+Shift+C 复制

生成 SPF DNS 记录，指定哪些服务器可以代表你的域名发送邮件。

什么是 SPF？

SPF（Sender Policy Framework，发件人策略框架）是一种电子邮件身份验证方法，用于指定哪些邮件服务器有权代表你的域名发送邮件。它以 DNS TXT 记录的形式发布，接收方邮件服务器会对其进行检查，以核实收到的邮件是否来自获批的来源。