Merge pull request #261752 from asudbring/smtp-edit

Added MCA-E agreements to SMTP article on outbound connectivity

Author: ttorble

articles/virtual-network/troubleshoot-outbound-smtp-connectivity.md

@@ -7,7 +7,7 @@ manager: dcscontentpm
 ms.service: virtual-network
 ms.topic: troubleshooting
 ms.workload: infrastructure-services
-ms.date: 10/30/2023
+ms.date: 12/20/2023
 ms.author: allensu
 ---
 
@@ -24,9 +24,9 @@ We recommend you use authenticated SMTP relay services to send email from Azure
 
 Using these email delivery services isn't restricted in Azure, regardless of the subscription type.
 
-## Enterprise Agreement
+## Enterprise and MCA-E
 
-For VMs and Azure Firewall that are deployed in standard Enterprise Agreement subscriptions, the outbound SMTP connections on TCP port 25 aren't blocked. However, there's no guarantee that external domains accept the incoming emails from the VMs and Azure Firewall. For emails rejected or filtered by the external domains, contact the email service providers of the external domains to resolve the problems. These problems aren't covered by Azure support.
+For VMs and Azure Firewall that are deployed in standard Enterprise Agreement or Microsoft Customer Agreement for enterprise (MCA-E) subscriptions, the outbound SMTP connections on TCP port 25 aren't blocked. However, there's no guarantee that external domains accept the incoming emails from the VMs and Azure Firewall. For emails rejected or filtered by the external domains, contact the email service providers of the external domains to resolve the problems. These problems aren't covered by Azure support.
 
 For Enterprise Dev/Test subscriptions, port 25 is blocked by default.
 
@@ -36,15 +36,14 @@ After the subscription is exempted from this block and the VMs are stopped and r
 
 ## All Other Subscription Types 
 
-The Azure platform blocks outbound SMTP connections on TCP port 25 for deployed VMs.  This block is to ensure better security for Microsoft partners and customers, protect Microsoft’s Azure platform, and conform to industry standards. 
+The Azure platform blocks outbound SMTP connections on TCP port 25 for deployed VMs. This block is to ensure better security for Microsoft partners and customers, protect Microsoft’s Azure platform, and conform to industry standards. 
 
-If you're using a nonenterprise subscription type, we encourage you to use an authenticated SMTP relay service, as outlined earlier in this article.
+If you're using a subscription type that isn't an Enterprise Agreement or MCA-E, we encourage you to use an authenticated SMTP relay service, as outlined earlier in this article.
 
 ## Changing subscription type
 
-If you change your subscription type from Enterprise Agreement to another type of subscription, changes to your deployments might result in outbound SMTP being blocked.  
-
+If you change your subscription type from Enterprise Agreement or MCA-E to another type of subscription, changes to your deployments might result in outbound SMTP being blocked.  
 
 ## Need help? Contact support
 
-If you're using an Enterprise Agreement subscription and still need help, [contact support](https://portal.azure.com/?#blade/Microsoft_Azure_Support/HelpAndSupportBlade) to get your problem resolved quickly. Use this issue type: **Technical** > **Virtual Network** > **Cannot send email (SMTP/Port 25)**.
+If you're using an Enterprise Agreement or MCA-E subscription and still need help, [contact support](https://portal.azure.com/?#blade/Microsoft_Azure_Support/HelpAndSupportBlade) to get your problem resolved quickly. Use this issue type: **Technical** > **Virtual Network** > **Cannot send email (SMTP/Port 25)**.