home/categories/security/mukul975-anthropic-cybersecurity-skills-skills-implementing-dmarc-dkim-spf-email-security-skill-md
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implementing-dmarc-dkim-spf-email-security
SPF, DKIM, and DMARC form the three pillars of email authentication. Together they prevent domain spoofing, validate message integrity, and define policies for handling unauthenticated mail. Proper im
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更新于 4/6/2026
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quick start
Installation and usage
SPF, DKIM, and DMARC form the three pillars of email authentication. Together they prevent domain spoofing, validate message integrity, and define policies for handling unauthenticated mail. Proper im
安装
$ install --globalskills.sh
使用
安装后，您可以通过在终端运行以下命令来使用此技能：
skills use implementing-dmarc-dkim-spf-email-security