public function store( $fieldFilters = null )
    {
        $this->Email = trim( $this->Email );
        $userID = $this->attribute( 'contentobject_id' );
        // Clear memory cache
        unset( $GLOBALS['eZUserObject_' . $userID] );
        $GLOBALS['eZUserObject_' . $userID] = $this;
        self::purgeUserCacheByUserId( $userID );

        if ( $this->Login )
        {
            parent::store( $fieldFilters );
        }
    }