Manage Email Files

Use this operation to manage email file allowances and blocks within Defender for Email.

Role Requirements

Procedure Scope: Administrators

Required Group Membership: Admin.Security

Handbook Reference

Package: Email Security

Domain: File Management

Modifies: Allowed Email Files, Blocked Email Files

When to Perform this Operation

As Needed: Proactive or in Response to User/Security

Technical Description and Importance

Managing allowed and blocked email files ensures that email security policies align with business requirements. By allowing legitimate files and blocking malicious or unnecessary ones, organizations can reduce security risks while maintaining operational efficiency. Properly categorizing email file attachments helps prevent unauthorized file execution and phishing attempts. Regular management of these lists ensures that security policies remain effective without unnecessarily restricting business activities.

Management Options

• Allow a File
• Block a File

Allow a File:

Purpose
Submit a file to Defender for Email and mark it as allowed.
Use Case
A legitimate business file type is being incorrectly blocked, preventing employees from receiving critical documents.

Block a File:

Purpose
Add a file to the blocked list to prevent it from being delivered via email.
Use Case
A newly identified malicious file type needs to be proactively blocked to mitigate security threats.

Operation	Action	Target
Allow a File	Addition	Allowed Email Files
Block a File	Removal	Blocked Email Files

Allow a File

This operation submits a file to Defender for Email and marks it as allowed to prevent unnecessary blocking.

       1. Defender for Email File Submit and Allow Action

Block a File

This operation adds a file to the blocked list in Defender for Email, ensuring it is not delivered to users.

       1. Defender for Email File Block

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