Saber que dice este link
GET /me/mailFolders/{id}/messages/delta?changeType=created GET /users/{id}/mailfolders/{id}/messages/delta?changeType=created GET /me/mailFolders/{id}/messages/delta?cha… (leer más)
GET /me/mailFolders/{id}/messages/delta?changeType=created GET /users/{id}/mailfolders/{id}/messages/delta?changeType=created
GET /me/mailFolders/{id}/messages/delta?changeType=updated GET /users/{id}/mailFolders/{id}/messages/delta?changeType=updated
GET /me/mailFolders/{id}/messages/delta?changeType=deleted GET /users/{id}/mailFolders/{id}/messages/delta?changeType=deleted