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Using Graph API for on-premise email account servers.

Jake Toolson 0 Reputation points
2025-04-24T23:05:33.7833333+00:00

We are using Microsoft Graph API so that our users can connect their email accounts into our platform to help with the automation of "drip" emails.

We've had no problems with this however with users who's servers are on-premise, we hit problems.

Has anyone encountered this and if-so what solutions have you used to get around this (whether its using Graph API or not).

Thanks.

Microsoft Graph
Microsoft Graph
A Microsoft programmability model that exposes REST APIs and client libraries to access data on Microsoft 365 services.
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  1. Andy David - MVP 156K Reputation points MVP Moderator
    2025-04-25T11:02:16.99+00:00

    The Graph rest APIs are no longer supported for on prem Exch Servers:

    https://learn.microsoft.com/en-us/graph/hybrid-rest-support

    I dont know the architecture of your app, but on Exchange still supports EWS.

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