Most RecentMost ViewedMost LikesCritical Update: ApplicationImpersonation RBAC Role Deprecation in Exchange Online We wanted to share an update on the ApplicationImpersonation RBAC Role Deprecation in Exchange Online. Released: November 2024 Exchange Server Security Updates We have released Security Updates for Exchange Server 2016 and Exchange Server 2019. Throttling and Blocking Email from Persistently Vulnerable Exchange Servers to Exchange Online As we continue to enhance the security of our cloud, we are going to address the problem of email sent to Exchange Online from unsupported and unpatched Exchange servers. Security Related Updates in Exchange Online Please read about important updates about recent changes and upcoming deprecations in Exchange Online. Retirement of RBAC Application Impersonation in Exchange Online We wanted to announce deprecation plans for ApplicationImpersonation role in Exchange Online. Released: 2024 H1 Cumulative Update for Exchange Server Today we are announcing the availability of Cumulative Update for Exchange Server 2019. 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. IPv6 updates for Exchange Online Microsoft has recently introduced several key updates to IPv6 traffic for Exchange Online. Introducing PS.MTA-STS: a PowerShell module to enhance mail flow security with MTA-STS Learn how to use this open-source module to configure and test MTA-STS for your Exchange Online domains in a few steps. 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!
