Update outbound-spam-protection-about.md

Author: chrisda

defender-office-365/outbound-spam-protection-about.md

@@ -19,7 +19,7 @@ ms.custom:
   - seo-marvel-apr2020
 description: Admins can learn about the outbound spam controls in Microsoft 365, and what to do if you need to send mass mailings.
 ms.service: defender-office-365
-ms.date: 07/07/2025
+ms.date: 09/03/2025
 appliesto:
   - ✅ <a href="https://learn.microsoft.com/defender-office-365/eop-about" target="_blank">Default email protections for cloud mailboxes</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>
@@ -34,8 +34,8 @@ In all organizations with cloud mailboxes, we take managing outbound spam seriou
 
 This article describes the controls and notifications that are designed to help prevent outbound spam, and what you can do if you need to send mass mailings.
 
-> [!NOTE]
-> If you're an end-user and your email is blocked or fails to send due to outbound spam protection, you’ll receive a non-delivery report (NDR). This behavior is expected. Only administrators can review and resolve these issues, so contact your email administrator for assistance.
+> [!TIP]
+> If you're an end-user and your email is blocked or fails to send due to outbound spam protection, you receive a non-delivery report (also known as an NDR or bounce message). This behavior is expected. Only admins can review and resolve these issues, so contact your email admin for assistance.
 
 ## What admins can do to control outbound spam