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Mail Transfer Agent (MTA) protection bypass Technical Level
  • Malware manages to evade Threat Emulation mail protection.

An evasion was identified that may bypass MTA (Mail Transfer Agent).


This problem was fixed. The fix is included in:


For other supported versions, Check Point Support can supply a Hotfix.
A Support Engineer will make sure the Hotfix is compatible with your environment before providing the Hotfix.
For faster resolution and verification, please collect CPinfo files from the Security Management Server and Security Gateways involved in the case.


  • Hotfix has to be installed only on Security Gateway configured as Mail Transfer Agent (MTA).
  • Depending on the currently installed hotfixes, it might take some time to prepare the hotfix for your specific environment.
  • Details about this evasion were not provided to protect the customers, who did not install this hotfix yet.
Applies To:
  • 02378836 , 02380610 , 02407967 , 02409631 , 02406687

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