DKIM-Signature: v=1; ...; d=example.com; ...
From: [email protected]
Date: Fri, Feb 15 2002 16:54:30 -0800
To: [email protected]
Subject: here's a sampleLet’s continue with our wax seal analogy to explain this.
In this example, the letter has the following details:
- Wax Seal (DKIM-Signature): example.com
- Letter’s Signature (From): [email protected]
- Date: Fri, Feb 15 2002 16:54:30 -0800
- Recipient’s Address (To): [email protected]
- Subject: here’s a sample
In this case, the wax seal on the letter (DKIM-Signature) is from a larger organization (example.com), and the signature on the letter (From) is from someone at a specific department (child.example.com) of that larger organization.
This is like the wax seal on the letter being from the main office, and the signature on the letter being from someone at a specific department of that office.
If the Domain Owner (the person who owns example.com) has requested relaxed mode, then DMARC would say that the identifiers are in alignment. This is like saying it’s okay that the signature is from a specific department, as long as the wax seal is from the main office.
But if the Domain Owner has requested strict mode, then DMARC would say that the identifiers are not in alignment. This is like saying the wax seal and the signature must exactly match.
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