Microsoft announced today that Exchange Server 2016 and 2019 now come with support for HTTP Strict Transport Security (also known as HSTS). HSTS is a web server directive that instructs websites (such ...

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 ...

Microsoft on Tuesday released three security updates, two of which address critical flaws in its Exchange e-mail server and third-party software in Windows. Critical vulnerabilities in Microsoft ...

Microsoft has released a fix for a harebrained Exchange Server bug that shut down on-premises mail delivery around the world just as clocks were chiming in the new year. The mass disruption stemmed ...