Email in Azure Communication Services


This feature of Azure Communication Services is currently in preview.

Preview APIs and SDKs are provided without a service-level agreement. We recommend that you don't use them for production workloads. Some features might not be supported, or they might have constrained capabilities.

For more information, review Supplemental Terms of Use for Microsoft Azure Previews.

Azure Communication Services Email is a new primitive that facilitates high volume transactional, bulk and marketing emails on the Azure Communication Services platform and will enable Application-to-Person (A2P) use cases. Azure Communication Services Email is going to simplify the integration of email capabilities to your applications using production-ready email SDK options. Email enables rich collaboration in communication modalities combining with SMS and other communication channels to build collaborative applications to help reach your customers in their preferred communication channel.

Azure Communication Services Email offers will improve your time-to-market with scalable, reliable email capabilities with your own SMTP domains. Like other communication modalities Email offering has the benefit of only paying for what you use.

Key principles of Azure Communication Services Email

Key principles of Azure Communication Services Email Service include:

  • Easy Onboarding steps for adding Email capability to your applications.
  • High Volume Sending support for A2P (Application to Person) use cases.
  • Custom Domain support to enable emails to send from email domains that are verified by your Domain Providers.
  • Reliable Delivery status on emails sent from your application in near real-time.
  • Email Analytics to measure the success of delivery, richer breakdown of Engagement Tracking.
  • Opt-Out handling support to automatically detect and respect opt-outs managed in our suppression list.
  • SDKs to add rich collaboration capabilities to your applications.
  • Security and Compliance to honor and respect data handling and privacy requirements that Azure promises to our customers.

Key features

Key features include:

  • Azure Managed Domain - Customers will be able to send mail from the pre-provisioned domain (
  • Custom Domain - Customers will be able to send mail from their own verified domain(
  • Sender Authentication Support - Platform Enables support for SPF(Sender Policy Framework) and DKIM(Domain Keys Identified Mail) settings for both Azure managed and Custom Domains with ARC (Authenticated Received Chain) support which preserves the Email authentication result during transitioning.
  • Email Spam Protection and Fraud Detection - Platform performs email hygiene for all messages and offers comprehensive email protection leveraging Microsoft Defender components by enabling the existing transport rules for detecting malware's, URL Blocking and Content Heuristic.
  • Email Analytics - Email Analytics through Azure Insights. To meet GDPR requirements we will emit logs at the request level which will contain messageId and recipient information for diagnostic and auditing purposes.
  • Engagement Tracking - Bounce, Blocked, Open and Click Tracking.

Next steps

The following documents may be interesting to you: