User is trying to release a quarantined email from an active summary notification but the portal display an error message.
Symantec Email Security.cloud
The email cannot be released. Item already Released.
You can only release an email once from an active summary notification, for security reasons. It prevents a malicious user from releasing an email multiple times to launch a denial of service (DOS) attack.
If user needs to release the email again, the user can release from the quarantine portal or the quarantine administrator to release it for the user from the quarantine portal.
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