curl -i -X GET "https://api.box.com/2.0/users/12345/email_aliases" \
     -H "authorization: Bearer <ACCESS_TOKEN>"

{
  "total_count": 5000,
  "entries": [
    {
      "id": "11446498",
      "type": "email_alias",
      "email": "alias@example.com",
      "is_confirmed": true
    }
  ]
}