Microsoft is upping the ante on Exchange Server security, warning that outdated on-premises systems will soon be blocked from ...

Microsoft tightens rules for old Exchange servers: throttling and blocked emails threaten hybrid environments.

CVE-2026-62911 Exchange Server flaw lets attackers seize all mailboxes with no password: nearly 22,000 servers remain unpatched worldwide three weeks after Microsoft's August fix shipped, 85 percent ...

Microsoft Exchange Server is Microsoft's email, calendaring, contact, scheduling and collaboration platform. It's deployed on the Windows Server operating system (OS) for business use. Microsoft ...

After you've prepared for an Exchange Server to Exchange Online migration, it's time to move the mailboxes and ultimately decommission your old Exchange Server. Every Exchange Server environment is ...

IT pros may face deadlines after some recent Exchange team announcements regarding Exchange Online. The to-do list for IT pros potentially includes the July 15, 2023 deprecation of the Remote ...

Microsoft Patch Tuesday September 2026 set a record with 966 vulnerabilities patched, but security analysts say an ...

The exchange e-mail server is a good barometer of Microsoft’s strengths and weaknesses. After all, Windows NT had to adapt the Exchange directory service for its own use back in the mid-1990s, and ...

The lightweight web client is going away, placing more demands on systems still clinging to Microsoft's on-prem email system. It’s the end of the road for yet another facet of Exchange Server, ...