Cisco Cisco Email Security Appliance C160 Mode D'Emploi
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User Guide for AsyncOS 10.0 for Cisco Email Security Appliances
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Email Authentication
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Email Authentication Overview
AsyncOS supports email verification and signing to prevent email forgery. To verify incoming mail,
AsyncOS supports Sender Policy Framework (SPF), Sender ID Framework (SIDF), DomainKeys
Identified Mail (DKIM), Domain-based Message Authentication, Reporting and Conformance
(DMARC), and Forged Email Detection. To authenticate outbound mail, AsyncOS supports
DomainKeys and DKIM signing.
AsyncOS supports Sender Policy Framework (SPF), Sender ID Framework (SIDF), DomainKeys
Identified Mail (DKIM), Domain-based Message Authentication, Reporting and Conformance
(DMARC), and Forged Email Detection. To authenticate outbound mail, AsyncOS supports
DomainKeys and DKIM signing.
Related Topics
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DomainKeys and DKIM Authentication
With DomainKeys or DKIM email authentication, the sender signs the email using public key
cryptography. The verified domain can then be used to detect forgeries by comparing it with the domain
in the From: (or Sender:) header of the email.
cryptography. The verified domain can then be used to detect forgeries by comparing it with the domain
in the From: (or Sender:) header of the email.