SAMMY works best on screens 1024px wide or larger.
CIS Critical Security Controls
Browse CIS Critical...
9,5: Implement DMARC
Implement DMARC
9,5: Implement DMARC

To lower the chance of spoofed or modified emails from valid domains, implement DMARC policy and verification, starting with implementing the Sender Policy Framework (SPF) and the DomainKeys Identified Mail (DKIM) standards.

Policy defined
Not applicable - Not applicable
None - None
Informal - Informal
Partially written - Partially written
Written - Written
Approved and communicated - Approved and communicated
Control implemented
Not applicable - Not applicable
Not implemented - Not implemented
Parts of policy implemented - Parts of policy implemented
Implemented on some systems - Implemented on some systems
Implemented on most systems - Implemented on most systems
Implemented on all systems - Implemented on all systems
Control automated
Not applicable - Not applicable
Not automated - Not automated
Parts of policy automated - Parts of policy automated
Automated on some systems - Automated on some systems
Automated on most systems - Automated on most systems
Automated on all systems - Automated on all systems
Control reported
Not applicable - Not applicable
Not reported - Not reported
Parts of policy reported - Parts of policy reported
Reported on some systems - Reported on some systems
Reported on most systems - Reported on most systems
Reported on all systems - Reported on all systems
Description

To lower the chance of spoofed or modified emails from valid domains, implement DMARC policy and verification, starting with implementing the Sender Policy Framework (SPF) and the DomainKeys Identified Mail (DKIM) standards.