Microsoft Email Security
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      2. Configuration Support
      3. Microsoft Email Security

      Email URL Block

      This guide will show an administrator how to enforce a blacklist on emails that contain the specified URL within their contents.

      Role Requirements

      Procedure Scope: Administrators

      Required Group Membership: Admin.Security

      Handbook Reference

      Package: Email Security

      Domain: URL Management

      Modifies: Unsanctioned URL’s

      Email URL Block

      1. Navigate to the Tenant Allow/Block Lists – Microsoft Defender portal, locate and select the Block action under the URLs tab. A flyout will be displayed where you will be able to specify the URL including subdomains or paths (max limit of 20) within he Add URLs with wildcards field. Specify the timeframe as Never Expire from the Remove block entry after dropdown. Lastly provide a reference point for fellow administration on why the block has been instated under the Optional note field. Select Add to finalize the block.

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