Cisco Cisco Email Security Appliance C190 Mode D'Emploi
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Cisco AsyncOS 8.5.5 for Email Security User Guide
Chapter 19 Email Authentication
DMARC Verification
<spf>
<domain>example.com</domain>
<scope>mfrom</scope>
<result>pass</result>
</spf>
</auth_results>
</record>
</feedback>