This article describes a scenario where you notice a missing option such as Anti-spam Quarantine action or List management options.
Email Security.cloud
The Anti-spam Quarantine action or List management options are by default not enabled when clients purchase the Email Security.cloud product license.
In order to enable a missing option or action for the Email Security.cloud product such as Quarantine action or List management , We recommend to Contact Support as these features must be reviewed and enabled from back-end.
About List management : https://techdocs.broadcom.com/us/en/symantec-security-software/email-security/email-security-cloud/1-0/about-email-anti-malware/manage-list-priorities.html
About Quarantine action usage : https://techdocs.broadcom.com/us/en/symantec-security-software/email-security/email-security-cloud/1-0/about-email-anti-malware/activating-email-quarantine.html