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Cisco Bug: CSCzv60345 - Sender verification not honoring dnshostpref

Last Modified

Jun 16, 2017

Products (1)

  • Cisco Email Security Appliance

Known Affected Releases

7.6.0-352 7.6.2-000 7.8.0-000 8.0.0-000

Description (partial)

Symptom:
Sender rejected during Sender Verification. Shows up in mail logs file as following:
Tue Jul  3 17:14:09 2012 Info: ICID 10 Address: <test@example.com>sender rejected, envelope sender domain could not be resolved

Conditions:
Envelope Sender DNS Verification enabled. IPv6 address configured on one of the interfaces.
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