Other than conditional access there is none.
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We registered an application to read/write emails to mail box using MicroSoft Graph on Azure Cloud. The application is called from AWS using oauth 2.0 , is there a way to whitelist IP addresses for application access. Please let us any options available to implement our requirement. Please suggest any option other than Conditional Access.
Hi! Did you manage to find an answer? We've been using MS Graph to send documents via our web services but it tends to throw such errors on outgoing MS Graph API calls for sending mails to outsiders.