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In rare cases, Security Gateway does not sent "SMTP 554" response when Anti-Virus blade detects an e-mail with malicious attached file
Symptoms
  • In rare cases, when Anti-Virus blade detects an e-mail with malicious attached file, Security Gateway does not sent "SMTP 554" response to the e-mail sender.
Cause

MD5 of the detected malicious attached file is not retrieved from RAD cache in time.


Solution
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