Most RecentMost ViewedMost LikesUpdated Hybrid Configuration Wizard Available Today, we’re excited to announce the latest release of the HCW, which now supports Exchange Online REST-based APIs. Announcing Public Preview of the New Message Trace in Exchange Online We are excited to announce that the Public Preview of the new Message Trace in the Exchange admin center (EAC) in Exchange Online. Exchange Online to retire Basic auth for Client Submission (SMTP AUTH) Today, we are announcing that Exchange Online will permanently remove support for Basic authentication with Client Submission (SMTP AUTH) in September 2025. Exchange Online to introduce External Recipient Rate Limit Today, we are announcing that, beginning in January 2025, Exchange Online will begin enforcing an external recipient rate limit of 2000 recipients in 24 hours. Re-release of November 2024 Exchange Server Security Update packages Today we are re-releasing the November 2024 SUs for Exchange Server. Updates to High Volume Email (HVE) Public Preview We are excited to share some updates to High Volume Email (HVE) Public Preview. Public Preview: High Volume Email for Microsoft 365 Today we’re thrilled to announce the public preview of High Volume Email (HVE) for Microsoft 365. Announcing General Availability of Inbound SMTP DANE with DNSSEC for Exchange Online Today, we are excited to announce the General Availability of Inbound SMTP DANE with DNSSEC! Released: November 2024 Exchange Server Security Updates We have released Security Updates for Exchange Server 2016 and Exchange Server 2019. Update: Deprecation of Client Access Rules in Exchange Online We wanted to give you an update on deprecation of Client Access Rules in Exchange Online.
