OnxlCloud

  The Tenant Allow/Block List in the Microsoft 365 Defender portal gives you a way to manually override the Defender for Office 365 or EOP filtering verdicts. The list is used during mail flow for incoming messages from external senders. The Tenant Allow/Block List doesn't apply to internal messages within the organization. However, block entries for Domains and email addresses prevent users in the organization from sending email to those blocked domains and addresses. The Tenant Allow/Block list is available in the Microsoft 365 Defender portal at https://security.microsoft.com > Policies & rules > Threat Policies > Tenant Allow/Block Lists in the Rules section. Click Block Domain address or email address. Here we can entry up to 20 valid email address or domain Ids. Remove block entry after : select the duration to block the emails. Note :   Once the email address the block list it may take some time to update the policy. Internal Organization Users can not send...

Azure AD is now Microsoft Entra. There is no action required from the tenant admin. Azure AD Identity can mange from the Entra Admin console. Reference https://www.microsoft.com/en-us/security/blog/2023/07/11/microsoft-entra-expands-into-security-service-edge-and-azure-ad-becomes-microsoft-entra-id

  Azure Active Directory  Microsoft calls Microsoft 365 “the world’s productivity cloud,” saying that it represents their vision for the future of productivity tools spanning an integrated set of apps and services. The upshot of this marketing activity is that Microsoft liberally applies the Microsoft 365 moniker to a wide range of products offered to consumers and the enterprise. To be clear, this book covers Microsoft 365 as it affects Office 365 for enterprise customers