DMARC Explained: Email Alignment, Reports and Domain Policy

The six points in the video

This is a silent video. The headings, explanations and labels below reproduce the information on screen.

1. 1

   Step 1: Start with SPF and DKIM

   0:18

   Configure and check your legitimate email sending services.

   On-screen labels: Mailbox service; Website sender; Other sending tools.

2. 2

   Step 2: Alignment connects the domains

   0:30

   DMARC compares authentication with the visible From domain.

   On-screen labels: Visible From domain; Authentication domain; Alignment check.

3. 3

   Step 3: One aligned pass can be enough

   0:42

   An aligned SPF pass or an aligned DKIM pass can satisfy DMARC.

   On-screen labels: SPF with alignment; Or DKIM with alignment; DMARC result.

4. 4

   Step 4: The policy is published in DNS

   0:54

   None, quarantine and reject express different handling requests.

   On-screen labels: Monitor with none; Quarantine request; Reject request.

5. 5

   Step 5: Reports help reveal senders

   1:06

   Aggregate reports can show sources and authentication results.

   On-screen labels: Sending sources; Passing results; Failing results.

6. 6

   Step 6: Roll out with provider support

   1:18

   Review the reports before moving to a stricter policy.

   On-screen labels: Legitimate mail checked; Gradual policy change; Ongoing monitoring.

Common questions

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