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Cisco Bug: CSCvv30513 - DANE deliveries fail, when using IP6

Last Modified

Aug 31, 2020

Products (1)

  • Cisco Email Security Appliance

Known Affected Releases


Description (partial)

This problem will show up in the mail logs as this type of failure
Wed Aug  5 15:55:14 2020 Info: MID 31275 DCID 0 DANE failed for the domain 4.0 - Other network problem

And daneverify will fail with: > daneverify
SECURE MX record( found for
No A record found for MX( in
DANE verification completed.

This problem occurs when attempting DANE deliveries to destinations that you have configured to use IP6.
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