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Cisco Bug: CSCvt64212 - Wrong name used in EHLO/HELO for SMTP conversation on IPv6 interfaces

Last Modified

Oct 14, 2020

Products (1)

  • Cisco IronPort Email Security Appliance Software

Known Affected Releases

13.0.0-392

Description (partial)

Symptom:
If IPv6 is used for delivery, the machine is using the 'hostname' from 'sethostname' for HELO/EHLO within the SMTP conversation, not the interface-hostname. For IPv4, the interface-hostname is used.

Conditions:
IPv6 is used for delivery
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