AI & the web
DKIM
DomainKeys Identified Mail: a method using a digital signature to authenticate email and check signed content.
In everyday use
A receiving server checks a newsletter's signature against its domain's public key.
What to keep in mind
A valid signature does not mean the message is wanted or that its claims are trustworthy.
Also searched as: DomainKeys Identified Mail
Further reading
Original explanation and example by Perspectism. Further reading may cover the wider subject, rather than this exact wording. Edition updated 7 October 2026.
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