Microsoft announced today that it will retire Client Access Rules (CARs) in Exchange Online within a year, by September 2023. CARs are sets of conditions, exceptions, actions, and priority values that ...

Microsoft announced today that Client Access Rules (CARs) deprecation in Exchange Online will be delayed by one year until September 2024. Microsoft 365 administrators can utilize CARs comprising ...

The question has come up a couple times in my blog on high availability and redundancy of Database Availability Groups (DAGs) specific to “What happens to the Client Access Server (CAS) and Hub ...

Looking for an Outlook replacement? If so, try using Thunderbird with the ExQuilla addon to get an email client connected with an Exchange 2007 or 2010 server. Microsoft Exchange is one of the most ...

A design issue in the Microsoft Exchange Autodiscover feature can cause Outlook and other third-party Exchange client applications to leak plaintext Windows domain credentials to external servers.

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 ...