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Cisco Bug: CSCvu41447 - ESA DMARC verification fails when SPF encounters TempError or PermError

Last Modified

Aug 28, 2020

Products (1)

  • Cisco Email Security Appliance

Known Affected Releases

12.5.1-037

Description (partial)

Symptom:
ESA is not complying to RFC for handling of DMARC verification results where SPF verdicts returned are TempError or PermError as indicated on RFC7489.

ESA is currently marking TempError and PermError as immediate DMARC verification failure.

Conditions:
The ESA is configured with DMARC verification.
SPF lookup for the identities returns a TempError or PermError.
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