def METHOD_NAME(email_id):
    """
    Utility function for retrieving a CourseEmail instance from a given CourseEmail id.
    Args:
        email_id (int): The ID of the CourseEmail instance you want to retrieve.
    Returns:
        CourseEmail: The CourseEmail instance, if it exists.
    """
    try:
        return CourseEmail.objects.get(id=email_id)
    except CourseEmail.DoesNotExist:
        log.exception(f"CourseEmail instance with id '{email_id}' could not be found")
    return None