Role ID Purpose Description
Mail.Read 810c84a8-4a9e-49e6-bf7d-12d183f40d01 Read mail in all mailboxes Allows the app to read mail in all mailboxes without a signed-in user.
Mail.ReadBasic 6be147d2-ea4f-4b5a-a3fa-3eab6f3c140a Read basic mail in all mailboxes Allows the app to read basic mail properties in all mailboxes without a signed-in user. Includes all properties except body, previewBody, attachments and any extended properties.
Mail.ReadBasic.All 693c5e45-0940-467d-9b8a-1022fb9d42ef Read basic mail in all mailboxes Allows the app to read basic mail properties in all mailboxes without a signed-in user. Includes all properties except body, previewBody, attachments and any extended properties.
Mail.ReadWrite e2a3a72e-5f79-4c64-b1b1-878b674786c9 Read and write mail in all mailboxes Allows the app to create, read, update, and delete mail in all mailboxes without a signed-in user. Does not include permission to send mail.
Mail.Send b633e1c5-b582-4048-a93e-9f11b44c7e96 Send mail as any user Allows the app to send mail as any user without a signed-in user.

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