Merge pull request #2330 from MithunRathinam/patch-9

Update email-authentication-dkim-configure.md

Author: chrisda

defender-office-365/email-authentication-dkim-configure.md

@@ -21,6 +21,7 @@ ms.custom:
 description: Learn how Microsoft 365 uses DomainKeys Identified Mail (DKIM) to sign outbound mail, and how to configure DKIM signing of outbound mail using custom domains.
 ms.service: defender-office-365
 appliesto:
+  - ✅ <a href="https://learn.microsoft.com/defender-office-365/eop-about" target="_blank">Exchange Online Protection</a>
   - ✅ <a href="https://learn.microsoft.com/defender-office-365/mdo-about#defender-for-office-365-plan-1-vs-plan-2-cheat-sheet" target="_blank">Microsoft Defender for Office 365 Plan 1 and Plan 2</a>
   - ✅ <a href="https://learn.microsoft.com/defender-xdr/microsoft-365-defender" target="_blank">Microsoft Defender XDR</a>
 ---
@@ -298,9 +299,10 @@ If you'd rather use PowerShell to enable DKIM signing of outbound messages using
           - Relaxed: Common modifications to the message header are tolerated. For example, header field line rewrapping, changes in unnecessary whitespace or empty lines, and changes in case for header fields. This is the default value.
           - Simple: No changes to the header fields are tolerated.
         - The _KeySize_ parameter specifies the bit size of the public key in the DKIM record:
-          - 1024. This is the default value.
-          - 2048.
+           - 1024 (default)
+           - 2048
 
+          
         For example:
 
         ```powershell