Comparing with create_tables_innoDB.mysql :
> -- MySQL dump 9.11
> --
> -- Host: localhost Database: dbmail
> -- ------------------------------------------------------
> -- Server version 4.0.26-log
>
> --
> -- Table structure for table `dbmail_acl`
> --
>
> CREATE TABLE dbmail_acl (
> user_id bigint(21) NOT NULL default '0',
> mailbox_id bigint(21) NOT NULL default '0',
> lookup_flag tinyint(1) NOT NULL default '0',
> read_flag tinyint(1) NOT NULL default '0',
> seen_flag tinyint(1) NOT NULL default '0',
> write_flag tinyint(1) NOT NULL default '0',
> insert_flag tinyint(1) NOT NULL default '0',
> post_flag tinyint(1) NOT NULL default '0',
> create_flag tinyint(1) NOT NULL default '0',
> delete_flag tinyint(1) NOT NULL default '0',
> administer_flag tinyint(1) NOT NULL default '0',
> PRIMARY KEY (user_id,mailbox_id),
> KEY user_id (user_id),
> KEY mailbox_id (mailbox_id),
> CONSTRAINT `dbmail_acl_ibfk_1` FOREIGN KEY (`user_id`) REFERENCES
> `dbmail_users` (`user_idnr`) ON
> DELETE CASCADE,
> CONSTRAINT `dbmail_acl_ibfk_2` FOREIGN KEY (`mailbox_id`) REFERENCES
> `dbmail_mailboxes` (`mailbox_
> idnr`) ON DELETE CASCADE
FOREIGN KEY user_id_fk (user_id)
REFERENCES dbmail_users (user_idnr) ON DELETE CASCADE ON
UPDATE CASCADE,
FOREIGN KEY mailbox_id_fk (mailbox_id)
REFERENCES dbmail_mailboxes (mailbox_idnr) ON DELETE CASCADE
ON UPDATE CASCADE
> ) TYPE=InnoDB;
>
> --
> -- Table structure for table `dbmail_aliases`
> --
> CREATE TABLE dbmail_aliases (
> alias_idnr bigint(21) NOT NULL auto_increment,
> alias varchar(100) NOT NULL default '',
> deliver_to varchar(250) NOT NULL default '',
> client_idnr bigint(21) NOT NULL default '0',
> PRIMARY KEY (alias_idnr),
> KEY client_idnr_index (client_idnr),
> KEY alias_index (alias)
> ) TYPE=InnoDB;
>
> --
> -- Table structure for table `dbmail_auto_notifications`
> --
>
> CREATE TABLE dbmail_auto_notifications (
> user_idnr bigint(21) NOT NULL default '0',
> notify_address varchar(100) default NULL,
> PRIMARY KEY (user_idnr),
> KEY user_idnr (user_idnr),
> CONSTRAINT `dbmail_auto_notifications_ibfk_1` FOREIGN KEY (`user_idnr`)
> REFERENCES `dbmail_users`
> (`user_idnr`) ON DELETE CASCADE
FOREIGN KEY user_idnr_fk (user_idnr)
REFERENCES dbmail_users (user_idnr) ON DELETE CASCADE ON
UPDATE CASCADE
> ) TYPE=InnoDB;
>
> --
> -- Table structure for table `dbmail_auto_replies`
> --
>
> CREATE TABLE dbmail_auto_replies (
> user_idnr bigint(21) NOT NULL default '0',
> reply_body mediumtext,
> einddatum date default '0000-00-00', <--- custom field
> PRIMARY KEY (user_idnr)
> ) TYPE=MyISAM;
>
> --
> -- Table structure for table `dbmail_mailboxes`
> --
>
> CREATE TABLE dbmail_mailboxes (
> mailbox_idnr bigint(21) NOT NULL auto_increment,
> owner_idnr bigint(21) NOT NULL default '0',
> name varchar(100) NOT NULL default '',
> seen_flag tinyint(1) NOT NULL default '0',
> answered_flag tinyint(1) NOT NULL default '0',
> deleted_flag tinyint(1) NOT NULL default '0',
> flagged_flag tinyint(1) NOT NULL default '0',
> recent_flag tinyint(1) NOT NULL default '0',
> draft_flag tinyint(1) NOT NULL default '0',
> no_inferiors tinyint(1) NOT NULL default '0',
> no_select tinyint(1) NOT NULL default '0',
> permission tinyint(1) default '2',
> PRIMARY KEY (mailbox_idnr),
> UNIQUE KEY mailboxidnr_2 (mailbox_idnr)
INDEX name_index (name),
INDEX owner_idnr_index (owner_idnr),
UNIQUE INDEX owner_idnr_name_index (owner_idnr, name),
FOREIGN KEY owner_idnr_fk (owner_idnr)
REFERENCES dbmail_users (user_idnr) ON DELETE CASCADE ON
UPDATE CASCADE
> ) TYPE=InnoDB;
>
> --
> -- Table structure for table `dbmail_messageblks`
> --
>
> CREATE TABLE dbmail_messageblks (
> messageblk_idnr bigint(21) NOT NULL auto_increment,
> physmessage_id bigint(21) NOT NULL default '0',
> messageblk longtext NOT NULL,
> blocksize bigint(21) NOT NULL default '0',
> is_header tinyint(1) NOT NULL default '0',
> PRIMARY KEY (messageblk_idnr),
> KEY physmessage_id_index (physmessage_id),
> KEY physmessage_id_is_header_index (physmessage_id,is_header),
> CONSTRAINT `dbmail_messageblks_ibfk_1` FOREIGN KEY (`physmessage_id`)
> REFERENCES `dbmail_physmessa
> ge` (`id`) ON DELETE CASCADE
FOREIGN KEY physmessage_id_fk (physmessage_id)
REFERENCES dbmail_physmessage (id) ON DELETE CASCADE ON UPDATE
CASCADE
> ) TYPE=InnoDB;
>
> --
> -- Table structure for table `dbmail_messages`
> --
>
> CREATE TABLE dbmail_messages (
> message_idnr bigint(21) NOT NULL auto_increment,
> mailbox_idnr bigint(21) NOT NULL default '0',
> seen_flag tinyint(1) NOT NULL default '0',
> answered_flag tinyint(1) NOT NULL default '0',
> deleted_flag tinyint(1) NOT NULL default '0',
> flagged_flag tinyint(1) NOT NULL default '0',
> recent_flag tinyint(1) NOT NULL default '0',
> draft_flag tinyint(1) NOT NULL default '0',
> unique_id varchar(70) NOT NULL default '',
> status tinyint(3) unsigned zerofill NOT NULL default '000',
> physmessage_id bigint(21) NOT NULL default '0',
> PRIMARY KEY (message_idnr),
> UNIQUE KEY message_idnr_2 (message_idnr),
> KEY message_idnr (message_idnr),
> KEY physmessage_id_index (physmessage_id),
> KEY mailbox_idnr_index (mailbox_idnr),
> KEY seen_flag_index (seen_flag),
> KEY unique_id_index (unique_id),
> KEY status_index (status),
> CONSTRAINT `dbmail_messages_ibfk_1` FOREIGN KEY (`mailbox_idnr`)
> REFERENCES `dbmail_mailboxes` (`m
> ailbox_idnr`) ON DELETE CASCADE,
> CONSTRAINT `dbmail_messages_ibfk_2` FOREIGN KEY (`physmessage_id`)
> REFERENCES `dbmail_physmessage`
> (`id`) ON DELETE CASCADE
FOREIGN KEY physmessage_id_fk (physmessage_id)
REFERENCES dbmail_physmessage (id) ON DELETE CASCADE ON UPDATE
CASCADE,
FOREIGN KEY mailbox_idnr_fk (mailbox_idnr)
REFERENCES dbmail_mailboxes (mailbox_idnr) ON DELETE CASCADE
ON UPDATE CASCADE
> ) TYPE=InnoDB;
>
> --
> -- Table structure for table `dbmail_pbsp`
> --
>
> CREATE TABLE dbmail_pbsp (
> idnr bigint(21) NOT NULL auto_increment,
> since datetime NOT NULL default '0000-00-00 00:00:00',
> ipnumber varchar(40) NOT NULL default '',
> PRIMARY KEY (idnr),
> UNIQUE KEY ipnumber_idx (ipnumber),
> KEY since_idx (since)
> ) TYPE=MyISAM;
>
> --
> -- Table structure for table `dbmail_physmessage`
> --
>
> CREATE TABLE dbmail_physmessage (
> id bigint(21) NOT NULL auto_increment,
> messagesize bigint(21) NOT NULL default '0',
> rfcsize bigint(21) NOT NULL default '0',
> internal_date datetime NOT NULL default '0000-00-00 00:00:00',
> PRIMARY KEY (id)
> ) TYPE=InnoDB;
>
> --
> -- Table structure for table `dbmail_subscription`
> --
>
> CREATE TABLE dbmail_subscription (
> user_id bigint(21) NOT NULL default '0',
> mailbox_id bigint(21) NOT NULL default '0',
> PRIMARY KEY (user_id,mailbox_id),
> KEY user_id (user_id),
> KEY mailbox_id (mailbox_id),
> CONSTRAINT `dbmail_subscription_ibfk_1` FOREIGN KEY (`user_id`)
> REFERENCES `dbmail_users` (`user_i
> dnr`) ON DELETE CASCADE,
> CONSTRAINT `dbmail_subscription_ibfk_2` FOREIGN KEY (`mailbox_id`)
> REFERENCES `dbmail_mailboxes` (
> `mailbox_idnr`) ON DELETE CASCADE
FOREIGN KEY user_id_fk (user_id)
REFERENCES dbmail_users (user_idnr) ON DELETE CASCADE ON
UPDATE CASCADE,
FOREIGN KEY mailbox_id_fk (mailbox_id)
REFERENCES dbmail_mailboxes (mailbox_idnr) ON DELETE CASCADE
ON UPDATE CASCADE
> ) TYPE=InnoDB;
>
> --
> -- Table structure for table `dbmail_users`
> --
>
> CREATE TABLE dbmail_users (
> user_idnr bigint(21) NOT NULL auto_increment,
> userid varchar(100) NOT NULL default '',
> passwd varchar(34) NOT NULL default '',
> client_idnr bigint(21) NOT NULL default '0',
> maxmail_size bigint(21) NOT NULL default '0',
> encryption_type varchar(20) NOT NULL default '',
> last_login datetime NOT NULL default '1979-11-03 22:05:58',
> curmail_size bigint(21) NOT NULL default '0',
> PRIMARY KEY (user_idnr),
> KEY userid_index (userid)
UNIQUE INDEX userid_index (userid)
> ) TYPE=InnoDB;
>
> End of dump.
Please, correct tables structure acording to create_tables_innoDB.mysql
May be this helps.
--
Oleg Lapshin