--- title: Defender for Email DKIM Domain Creation description: This guide will show an administrator how to create a DKIM signature that will be registered for your owned domain. --- [Skip to content](https://knowledge.sittadel.com/defender-for-email-dkim-domain-creation#main-content) [![Sittadel-Logo-Icon-Slim-Large-Square-Green-Transparent copy](https://knowledge.sittadel.com/hs-fs/hubfs/Sittadel-Logo-Icon-Slim-Large-Square-Green-Transparent%20copy.png?width=55&height=55&name=Sittadel-Logo-Icon-Slim-Large-Square-Green-Transparent%20copy.png)](https://sittadel.com/) - [About Sittadel](https://sittadel.com/about/) - [Capabilities](https://sittadel.com/capabilities/microsoft-office365-azure-security/) Show submenu for Capabilities - [Microsoft Security Architecture](https://sittadel.com/capabilities/microsoft-office365-azure-security/) - [Detection & Response](https://sittadel.com/capabilities/managed-detection-and-response/) - [Employee Training](https://sittadel.com/capabilities/security-awareness-training/) - [Security Risk Advisors](https://sittadel.com/capabilities/virtual-information-security-officer/) - [Resources](https://sittadel.com/resources/) - [Knowledge Base](https://knowledge.sittadel.com/) Open main navigation Close main navigation - [About Sittadel](https://sittadel.com/about/) - [Capabilities](https://sittadel.com/capabilities/microsoft-office365-azure-security/) Show submenu for Capabilities - [Microsoft Security Architecture](https://sittadel.com/capabilities/microsoft-office365-azure-security/) - [Detection & Response](https://sittadel.com/capabilities/managed-detection-and-response/) - [Employee Training](https://sittadel.com/capabilities/security-awareness-training/) - [Security Risk Advisors](https://sittadel.com/capabilities/virtual-information-security-officer/) - [Resources](https://sittadel.com/resources/) - [Knowledge Base](https://knowledge.sittadel.com/) - [Get Sittadel](https://sittadel.com/start/) [Get Sittadel](https://sittadel.com/start/) Find answers to your security questions. - There are no suggestions because the search field is empty. 1. [Sittadel Knowledge Base](https://knowledge.sittadel.com/?hsLang=en) 2. [Azure Portals](https://knowledge.sittadel.com/azure-portals?hsLang=en) 3. [Defender](https://knowledge.sittadel.com/azure-portals?hsLang=en#defender) # Defender for Email DKIM Domain Creation ## This guide will show an administrator how to create a DKIM signature that will be registered for your owned domain. ### **![](https://knowledge.sittadel.com/hs-fs/hubfs/image-png-Jan-19-2024-04-04-16-2156-PM.png?width=125&height=133&name=image-png-Jan-19-2024-04-04-16-2156-PM.png)Role Requirements** Procedure Scope: **Administrators** Required Group Membership: **Admin.Security** **![](https://knowledge.sittadel.com/hs-fs/hubfs/image-png-Jan-19-2024-04-29-09-3760-PM.png?width=670&height=5&name=image-png-Jan-19-2024-04-29-09-3760-PM.png)** **Defender DKIM Signature Addition** 1. Navigate to the [DKIM Email Authentication – Microsoft Defender](https://security.microsoft.com/authentication?viewid=DKIM) portal, locate and select the domain you wish to configure DKIM with from the list. ![](https://knowledge.sittadel.com/hs-fs/hubfs/image-png-Nov-30-2024-05-53-06-8476-PM.png?width=670&height=356&name=image-png-Nov-30-2024-05-53-06-8476-PM.png) 2. A flyout will be displayed, locate, and select the **Create DKIM keys **action. **![](https://knowledge.sittadel.com/hs-fs/hubfs/image-png-Nov-30-2024-05-53-13-1434-PM.png?width=329&height=325&name=image-png-Nov-30-2024-05-53-13-1434-PM.png)** 3. A message will appear asking you to add the specified CNAME records to DNS. Copy the records by selecting the **Copy** action, perform the DNS addition and publication as your DNS provider recommends. ![](https://knowledge.sittadel.com/hs-fs/hubfs/image-png-Nov-30-2024-06-49-33-2361-PM.png?width=368&height=225&name=image-png-Nov-30-2024-06-49-33-2361-PM.png) 4. Once you have added the necessary records to your DNS provider, return to the DKIM page and reselect the domain that the CNAME records have been created for. In the window, select the **Enable** ribbon. If the records have been configured successfully, the switch will turn to **Enabled** and outbound mail will be DKIM signed. ![](https://knowledge.sittadel.com/hs-fs/hubfs/image-png-Nov-30-2024-06-49-46-1933-PM.png?width=670&height=355&name=image-png-Nov-30-2024-06-49-46-1933-PM.png) ### Need Assistance? Reach out to your Customer Success Manager to discuss how a Sittadel cybersecurity analyst can assist in managing these tasks for you. New to our services? [Inquire](https://sittadel.com/start/) about arranging a consultation to explore optimizing your Azure environment for painless management. - [UserOps](https://knowledge.sittadel.com/userops?hsLang=en#main-content) - [Access & Permissions](https://knowledge.sittadel.com/userops?hsLang=en#access-permissions) - [Account](https://knowledge.sittadel.com/userops?hsLang=en#account) - [Devices](https://knowledge.sittadel.com/userops?hsLang=en#devices) - [Document Sharing](https://knowledge.sittadel.com/userops?hsLang=en#document-sharing) - [Email](https://knowledge.sittadel.com/userops?hsLang=en#email) - [Requests](https://knowledge.sittadel.com/userops?hsLang=en#requests) - [Troubleshoot](https://knowledge.sittadel.com/userops?hsLang=en#troubleshoot) - [TechOps](https://knowledge.sittadel.com/techops?hsLang=en#main-content) - [Tenant Foundations](https://knowledge.sittadel.com/techops?hsLang=en#tenant-foundations) - [Collaboration Security](https://knowledge.sittadel.com/techops?hsLang=en#collaboration-security) - [Email Security](https://knowledge.sittadel.com/techops?hsLang=en#email-security) - [Device Security](https://knowledge.sittadel.com/techops?hsLang=en#device-security) - [Identity Security](https://knowledge.sittadel.com/techops?hsLang=en#identity-security) - [SecOps](https://knowledge.sittadel.com/secops?hsLang=en#main-content) - [Email SOC](https://knowledge.sittadel.com/secops?hsLang=en#email-soc) - [Identity SOC](https://knowledge.sittadel.com/secops?hsLang=en#identity-soc) - [Tenant SOC](https://knowledge.sittadel.com/secops?hsLang=en#tenant-soc) - [Device SOC](https://knowledge.sittadel.com/secops?hsLang=en#device-soc) - [Deploy Intune](https://knowledge.sittadel.com/deploy-intune?hsLang=en) - [Deploy MDE](https://knowledge.sittadel.com/deploy-mde?hsLang=en#main-content) - [Overview](https://knowledge.sittadel.com/deploy-mde?hsLang=en#overview) - [Intune Deployment](https://knowledge.sittadel.com/deploy-mde?hsLang=en#intune-deployment) - [Hands-On Deployment](https://knowledge.sittadel.com/deploy-mde?hsLang=en#hands-on-deployment) - [Azure Arc Deployment](https://knowledge.sittadel.com/deploy-mde?hsLang=en#azure-arc-deployment) - [RMM Tool Deployment](https://knowledge.sittadel.com/deploy-mde?hsLang=en#rmm-tool-deployment) - [MECM/SCCM Deployment](https://knowledge.sittadel.com/deploy-mde?hsLang=en#mecm-sccm-deployment) - [GPO Deployment](https://knowledge.sittadel.com/deploy-mde?hsLang=en#gpo-deployment) - [Deploy Services](https://knowledge.sittadel.com/deploy-services?hsLang=en#main-content) - [Cloud Enclave](https://knowledge.sittadel.com/deploy-services?hsLang=en#cloud-enclave) - [Azure Portals](https://knowledge.sittadel.com/azure-portals?hsLang=en#main-content) - [Entra ID](https://knowledge.sittadel.com/azure-portals?hsLang=en#entra-id) - [Intune](https://knowledge.sittadel.com/azure-portals?hsLang=en#intune) - [Defender](https://knowledge.sittadel.com/azure-portals?hsLang=en#defender) - [Purview](https://knowledge.sittadel.com/azure-portals?hsLang=en#purview) - [SharePoint Admin Center](https://knowledge.sittadel.com/azure-portals?hsLang=en#sharepoint-admin-center) - [Teams Admin Center](https://knowledge.sittadel.com/azure-portals?hsLang=en#teams-admin-center) - [Admin Center](https://knowledge.sittadel.com/azure-portals?hsLang=en#admin-center) - [Exchange Admin Center](https://knowledge.sittadel.com/azure-portals?hsLang=en#exchange-admin-center) [![](https://knowledge.sittadel.com/hs-fs/hubfs/Sittadel_LogoH_Color_BlackText.png?width=186&height=55&name=Sittadel_LogoH_Color_BlackText.png)](https://Sittadel.com) Security for Humans. Copyright © 2026, Sittadel