KB Article | Forcepoint Support

Problem Description

Why are my messages being blocked with the reason "lexical rule (scan-failure)"?

Resolution

If your messages are getting blocked with the reason "lexical rule (scan-failure)", verify that the Quarantine message if content analysis does not complete is not selected. 
  1. Log on to the Cloud Portal.
  2. Click Email > Policies > Policy Name
  3. Click the Content Filter tab.
  4. Check the Inbound and Outbound Filter for Quarantine message if content analysis does not complete.
  5. If the option is selected, deselect and click Save.
  6. If the option is not selected, raise a case with Technical Support for assistance.
This check box gives you the option to stop messages where the lexical engine is unable to scan file or body of the message for some reason. It is up to the email queue administrator to review and eventually release such messages.

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