CREATE TABLE `greylist` (
  `sender_host_address` varchar(15) NOT NULL default '',
  `sender_address` varchar(64) NOT NULL default '',
  `recipient_address` varchar(64) NOT NULL default '',
  `block_expires` datetime NOT NULL default '0000-00-00 00:00:00',
  `record_expires` datetime NOT NULL default '0000-00-00 00:00:00',
  `blocked_count` int(11) NOT NULL default '0',
  `passed_count` int(11) NOT NULL default '0',
  `aborted_count` int(11) NOT NULL default '0',
  `origin_type` enum('AUTO') NOT NULL default 'AUTO',
  `create_time` datetime NOT NULL default '0000-00-00 00:00:00',
  `last_update` datetime NOT NULL default '0000-00-00 00:00:00',
  PRIMARY KEY  (`sender_host_address`,`sender_address`,`recipient_address`),
  KEY `record_expires` (`record_expires`)
) ENGINE=MyISAM;