-id bigint(20) NOT NULL auto_increment,
-cat_id bigint(20) NOT NULL default '0',
-subject varchar(255) NOT NULL default '',
-text longblob NOT NULL,
-receivers longblob NOT NULL,
-points bigint(20) NOT NULL default '0',
-time tinyint(4) NOT NULL default '0',
-data_type enum('NEW','QUEUE','SEND') NOT NULL default 'NEW',
-timestamp varchar(10) NOT NULL default '0',
-url varchar(255) NOT NULL default '',
-target_send bigint(20) NOT NULL default '0',
-clicks bigint(20) not null default '0',
-mails_sent bigint(20) not null default '0',
+id BIGINT(20) UNSIGNED NOT NULL AUTO_INCREMENT,
+cat_id BIGINT(20) UNSIGNED NOT NULL DEFAULT '0',
+subject VARCHAR(255) NOT NULL DEFAULT '',
+text LONGBLOB NOT NULL,
+receivers LONGBLOB NOT NULL,
+points BIGINT(20) UNSIGNED NOT NULL DEFAULT '0',
+time TINYINT(3) UNSIGNED NOT NULL DEFAULT '0',
+data_type ENUM('NEW','QUEUE','SEND') NOT NULL DEFAULT 'NEW',
+timestamp VARCHAR(10) NOT NULL DEFAULT '0',
+url VARCHAR(255) NOT NULL DEFAULT '',
+target_send BIGINT(20) UNSIGNED NOT NULL DEFAULT '0',
+clicks BIGINT(20) UNSIGNED NOT NULL DEFAULT '0',
+mails_sent BIGINT(20) UNSIGNED NOT NULL DEFAULT '0',