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Microsoft has announced that businesses signed up for Exchange Online will see daily limits placed on External Recipient Rate emails starting in January 2025 for new users and later for existing ones.

Microsoft was not releasing feature updates for Exchange Web Services in Exchange Online and now says it will block EWS requests from non-Microsoft apps to Exchange Online starting Oct. 1, 2026.

Microsoft has released details on how it plans to protect against unsupported, unpatched, vulnerable Exchange Servers. The tech giant says that it will throttle and eventually block such mails.

Microsoft has decided to effectively delay the deprecation of Remote PowerShell in Exchange Online in order to allow customers more time to migrate to the more secure REST-based v3 PowerShell module.

Support for Microsoft Exchange Server 2013 is ending in less than two months. Microsoft is recommending upgrading to Exchange Server 2019 or migrating to the managed Exchanged Online.

Our latest edition of Microsoft Weekly covers a quieter week where we learned about a couple more Windows bugs along with a few patches, a fine on Microsoft Bing, and some Teams and Excel updates.

Microsoft has issued what appears to be the final public warning about Basic Authentication in Exchange Online being deprecated next month. Customers have been advised to switch to Modern Auth.

In this edition of Microsoft Weekly we have a lot to unpack, including lots of Windows bugs and their associated fixes, changes to Windows 11 in the latest Dev Channel build, and games in Teams (!).

With Basic Auth in Exchange Online slowly being killed off in favor of Modern Auth (OAuth 2.0), Microsoft has detailed the next protocol it's disabling for Exchange Online customers, starting today.

Microsoft has issued an advisory about two 0-day vulnerabilities affecting on-premises installations of Exchange Server. Unfortunately, no fix is available yet but there are a couple of mitigations.

This week's edition of Microsoft Weekly is jam-packed with news related to Windows 11's features and some criticism about them, enhancements to Microsoft Edge, as well as some app updates.

Microsoft has once again informed customers that it is deprecating Basic Auth for many Exchange Online protocols starting from next month. However, tenants will be able to bypass it temporarily.

Google Workspace customers integrating Google Calendar and Exchange Online have been urged to make a configuration change before Microsoft disables an old authentication mechanism in October.

Microsoft has partnered with Apple on an upcoming iOS update that will migrate Exchange Online accounts using Basic authentication in the Mail app to the more secure Modern authentication (OAuth 2.0).

Microsoft has reminded organizations that it is deprecating Basic Auth for most protocols in Exchange Online in October 2022. The disabling process will be randomized so it's best to be prepared.

Microsoft has revealed new capabilities coming to Reply-all Storm Protection in Exchange Online. Exchange admins will be able to add reports, a GUI for settings, and an alert flow to their arsenal.

Microsoft has issued an advisory highlighting that multiple U.S. and Israeli defense companies and global maritime transportation firms are under attack from a threat actor, likely from Iran.

Microsoft has released a new set of security updates for numerous Exchange Server versions following the discovery of certain security flaws. Exchange Online once again contains protections already.

Microsoft has revealed that on-premises Exchange servers are under attack from a state-sponsored group operating from China and utilizing 0-day exploits. Exchange Online is safe from the threat.