You have a Workflow Rule that sends an e-mail to the Contact ID ABC (ABC represents the ID of the contact), however, the Workflow Rule is sending the e-mail even when the Contact Permission field inside Contacts is set to "Disallowed".
SAP Hybris Cloud for Customer 1711/04
The Workflow Rule engine does not have a check in the field Contact Permission.
This is the system behavior of SAP Hybris Cloud for Customer, The Workflow does not have a validation based on this field.
If you need this functionality urgently you may contact your implementation manager to help with such request or approach directly the SAP Cloud Service Center (email@example.com).
Note: The services of the SAP Cloud Service Center will be charged as packaged services based on fixed prices.
An alternative option may be to check the SAP Customer Influencer Site to submit an idea: https://influence.sap.com/SAPCloudforCustomer
Workflow Rules; Contact Permission; Disallowed; Allowed; Check Permission; Automatic Replies. , KBA , LOD-CRM-WKF , Workflow , How To