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我想添加 spf 记录范围为 25 个 ip 地址。
例如:192.168.1.225 到 192.168.1.250
如何在 spf 记录中添加它?这是否正确:
v=spf1 ip4:192.168.1.225-250/24 a mx ?all
使用 CIDR 表示法“v=spf1 ip4:192.168.1.224/27 a mx ?all”