Why Is the "Send sanitized version of blocked files only if redacted" Option Grayed Out Under DLP Settings?
This article is applied to MetaDefender Email Gateway Security releases deployed on Windows systems.
Please ensure that DLP is included in your MetaDefender Core license and that it is enabled in the workflow used by Email Gateway Security (EGS) on MetaDefender Core.
This article explains why the option "Send sanitized version of blocked files only if redacted" may be unavailable (grayed out) under the Data Loss Prevention settings in MetaDefender Email Gateway Security, and outlines the steps to enable it.

This setting is only effective when Proactive DLP is licensed and properly configured in MetaDefender Core, and when other dependent options in both Core and EGS are enabled.
Resolution:
Please follow the steps below to activate this option:
Steps:
Configure Proactive DLP in MetaDefender Core
Go to MetaDefender Core > Workflow > MetaDefender Email Gateway Security > Proactive DLP
Enable at least one detection type:
SSN
,CCN
,IPv4
, orCIDR
Also enable under the detection type:
Redact hits
Allow if detections at or above threshold are redacted

- Configure Security Rules in EGS
- Go to: EGS > Security Rules to modify a security rule.
- Advanced Threat Prevention tab
- Set
Handling of the email
toDelete blocked contents
- Set
- Advanced Threat Prevention tab
- Go to: EGS > Security Rules to modify a security rule.

- Zero-Day Malware Prevention tab
- Enable:
Override sanitization behavior
- Send sanitized version of blocked files
- Enable:

Once the above conditions are met, the grayed-out "Send sanitized version of blocked files only if redacted" under DLP option on EGS will become selectable.

If Further Assistance is required, please proceed to log a support case or chatting with our support engineer.