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 is planning to end support for Client Access Rules used with its Exchange Online service, favoring the use of Continuous Access Evaluation instead, according to a Tuesday announcement.

A popular email messaging system from Microsoft that runs on Windows servers. The server side is Microsoft Exchange Server and the featured client program is Microsoft Outlook, which includes contacts ...

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.