A Microsoft 365 outage is preventing Exchange Online users from sending and receiving emails, with messages being stuck in transit and not reaching the recipients' inboxes. "We're investigating a ...

After widespread complaints of blocked or sluggish email services, company says it has identified the problem and the ‘issue is resolved.’ Microsoft said Monday an outage that hit its Exchange Online ...

It's finally time for businesses running Exchange Online to switch from Basic Authentication to Modern Authentication before Microsoft disables the former on October 1, 2022, according to the US ...

Microsoft first tweeted at 8:56 a.m. Pacific Wednesday about the issue. The company said it was resolved hours later. Some users of Microsoft Exchange Online are unable to access mailboxes through any ...

The Cybersecurity and Infrastructure Security Agency (CISA) and the National Security Agency (NSA) have released guidance to help IT administrators harden Microsoft Exchange servers on their networks ...

If your business or organization uses Microsoft's Exchange Online to handle your mass email messages. The bad news is that the company is going to place limits on the number of emails sent to external ...

Microsoft has this week reminded Microsoft Exchange Online users that it is basic authentication login system will end on October 1, 2022. After this date any connection to Exchange Online that uses ...

Windows Server 2022 hit general availability (GA) over a month ago, and since then, the Exchange Online team has been working closely with the Microsoft 365 team to deploy HTTP/3 on the Windows Server ...

Federal agencies have just three months before their ability to comply with an executive order on cybersecurity while using Microsoft Exchange Online—the company’s cloud-based mail service—expires, ...

Microsoft on Thursday cleared up the mystery surrounding its next Exchange Server release plans, as described in an "Exchange Server Roadmap Update" announcement. Like SharePoint Server and Project ...

Attackers are currently exploiting two unpatched vulnerabilities to remotely compromise on-premises Microsoft Exchange servers. Microsoft confirmed the flaws late last week and published mitigation ...

Exchange Server products are potential subject two newly disclosed "zero-day" vulnerabilities that are under exploit, Microsoft acknowledged, in a Thursday announcement. The two vulnerabilities are ...