code: public function deleteBackupFTPaccessBlock($domain,$ipBlock)
  	{
  		$domain = (string)$domain;
  		if (!$domain)
  			throw new BadMethodCallException('Parameter $domain is missing.');
  		if (!$ipBlock)
  			throw new BadMethodCallException('Parameter $ipBlock is missing.');
          try {
              $r = $this->delete('dedicated/server/' . $domain . '/features/backupFTP/access/'.urlencode($ipBlock))->send();
          } catch (\Exception $e) {
              throw new ServerException($e->getMessage(), $e->getCode(), $e);
          }
          return $r->getBody(true);
  	}
docs: delete backupFTP ACL for specified IPblock
  
  @param 	$domain -> Server that this applies to
  @param	$ipblock -> Ipblock that this applies to
  @return 	object result set
  
  throws BadMethodCallException if server or ipblock is not defined
  usual handling for 400/404 errors