On Monday, Microsoft released the last major update for Exchange Server 2019. The aging Exchange Server is set to lose support on Oct. 14, 2025. This final update (2025 H1 Cumulative Update (CU15) ...

Microsoft has re-released the November 2024 security updates for Exchange Server after pulling them earlier this month due to email delivery issues on servers using custom mail flow rules. This known ...

Update 26.3.2024: While not on the same scale as 2021's Microsoft Exchange Server hack (see below this update), security problems impacting Exchange Server have reemerged. In March 2024's monthly ...

Microsoft's Exchange Server Subscription Edition is now available as the successor to the last locally installable Exchange Server 2019. Microsoft's Exchange developers have now announced its ...