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Cisco Bug: CSCvw02892 - ESA faces an issue with SPF expanding IPv6 addresses on records containing macros

Last Modified

Oct 09, 2020

Products (1)

  • Cisco Email Security Appliance

Known Affected Releases

13.5.1-352

Description (partial)

Symptom:
ESA, we expands the ' i ' macro same as the ' c ' macro , with the colon format instead of the dot format address causing SPF verification issues

Conditions:
A SPF valid record with macros defined and an IPV6 source as a sender source
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