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DMARC reports not arriving

DMARC reports not arriving

Aggregate or failure reports are not received.

Reading time:: 5 min
Difficulty:: Intermediate
Estimated duration:: 5 min
Prerequisites:: None
Last updated:: 2026-07-15
Author:: empire

Problem summary

Aggregate or failure reports are not received.

Severity: Medium

Symptoms

rua configured but no aggregate XML arrives
Mailbox filters quarantine report mail
External analyzer shows zero volume

Possible causes

Wrong rua address or unmonitored mailbox
External destination lacking DNS authorization
Low volume domain — reports are infrequent
Provider not sending aggregates for that domain yet

How to diagnose

Confirm rua in the live _dmarc record
Check spam/junk and analyzer ingestion logs
Verify external reporting authorization records if rua is off-domain

How to fix

Fix rua/ruf addresses; authorize external receivers in DNS
Use a dedicated report mailbox or commercial DMARC inbox
Send enough authenticated mail to generate aggregates, then wait a reporting cycle

How to verify

At least one aggregate report received and parsed
Known test sends appear in subsequent reports

Prevention

Monitor report freshness (days since last rua)
Document the report destination owner

When to escalate

Production mail is failing for a material share of recipients after remediation attempts

Aggregate reportsDMARC rua aggregate authentication reports.

DMARC alignment failureSPF/DKIM pass but fail identifier alignment.
DMARC policy not appliedPublished policy is not observed as expected by receivers.
DMARC record missingNo DMARC TXT record exists at the organizational domain.
External reporting not authorizedExternal rua/ruf destinations lack DNS authorization.
Invalid DMARC syntaxDMARC record cannot be parsed by receivers.
Legitimate mail blocked after enforcementEnforcement blocks wanted senders still failing authentication.
Subdomains not protectedSubdomain traffic is outside effective DMARC coverage.
Unknown senders in DMARC reportsReports show sources not yet inventoried or authorized.

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URIports toolsDMARC and related reporting tools for operators collecting aggregate feedback.

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