def METHOD_NAME(address):
    """Check if the given address is a valid email address
    Code taken from `CMFDefault.utils.checkEmailAddress`
    :param address: The email address to check
    :type address: str
    :returns: True if the address is a valid email
    """
    if not isinstance(address, six.string_types):
        return False
    if not _LOCAL_RE.match(address):
        return False
    if not _DOMAIN_RE.match(address):
        return False
    return True