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is this possible to do if we do not have any conditional access enabled?
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(25.6, 67%, 12%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJS%3C/text%3E%3C/svg%3E)
Hi @dirkdigs
Do suggestions below help and do you have any other concern about this question?
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Hi @dirkdigs
Have you checked the suggestions below, is your issue resolved now?
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You can use Client Access Rules:
https://learn.microsoft.com/en-us/exchange/clients-and-mobile-in-exchange-online/client-access-rules/client-access-rules
Hi @dirkdigs
Yes, you could consider using Client Access Rules which allows us to control access to Exchange Online based on based on IP address (IPv4 and IPv6), authentication type, and user property values, and the protocol, application, service, or resource that they're using.
And the Procedures for Client Access Rules in Exchange Online
Below links also provide some examples and tips about using this feature:
Client Access Rules for Exchange Online
How to block access to your Exchange Online organization using Client Access Rules
Please Note: Since the web site is not hosted by Microsoft, the link may change without notice. Microsoft does not guarantee the accuracy of this information.
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