Glossary: Security+ Exam Prep 2: Performance-Based Questions
DKIM (DomainKeys Identified Mail)
Also written: DKIM
An email standard that signs each message, with the public key published in the signer's DNS, to prove the message wasn't changed.
Where the book teaches it
Related terms
SPF (Sender Policy Framework)DMARC (Domain-based Message Authentication, Reporting, and Conformance)alignment