DKIM — DomainKeys Identified Mail
Definition: An email authentication method that uses a cryptographic signature to prove an email was actually sent from the claimed domain and wasn't tampered with.
Example
DKIM + SPF + DMARC together are why your marketing emails land in inboxes instead of spam folders.
When you'll hear it
DKIM shows up most often in engineering planning, architecture reviews, and sprint retrospectives. When someone uses it, they're usually referring to domainkeys identified mail — and they expect the room to already know what that means.
FAQs
What does DKIM stand for?
DKIM stands for DomainKeys Identified Mail.
What does DKIM mean in technology and engineering?
An email authentication method that uses a cryptographic signature to prove an email was actually sent from the claimed domain and wasn't tampered with.
Where will I hear DKIM used at work?
DKIM comes up most often in engineering planning, architecture reviews, and sprint retrospectives. It's used as shorthand for domainkeys identified mail, so people assume you already know the term.