Update usage.md

domainaware · Apr 8, 2024 · 662b7b6 · 662b7b6
1 parent 6a06d01
commit 662b7b6
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diff --git a/docs/source/usage.md b/docs/source/usage.md
@@ -204,6 +204,9 @@ The full set of configuration options are:
     (delegated) permission to the app. If you are using
     `UsernamePassword` auth and the mailbox is different from the
     username, you must grant the app `Mail.ReadWrite.Shared`.
+
+    The app registration must have the `Treat application as public client`
+    option enabled.
     :::
 
     :::{warning}