lira:/var/log# dbmail-util -b
Choosing dry-run mode. No changes will be made at this time.
Jul 19 17:46:39 lira dbmail-util[25205]: [0x8ba1b08] Database:[db] db_connect(+191): db at url: [mysql://localhost/postfix?user=userdb&password=passdb&charset=utf8&unix-socket=/var/run/mysqld/mysqld.sock]
Jul 19 17:46:39 lira dbmail-util[25205]: [0x8ba1b08] Info:[db] db_connect(+203): database connection pool created with maximum connections of [60]
Jul 19 17:46:39 lira dbmail-util[25205]: [0x8ba1b08] Database:[db] db_connect(+207): run a database connection reaper thread every [60] seconds
Jul 19 17:46:39 lira dbmail-util[25205]: [0x8ba1b08] Database:[db] db_connect(+211): database connection pool started with [5] connections, max [60]
Jul 19 17:46:39 lira dbmail-util[25205]: [0x8ba1b08] Database:[db] db_con_close(+275): [0x8ba5228] connection to pool
Jul 19 17:46:39 lira dbmail-util[25205]: [0x8ba1b08] Debug:[auth] auth_load_driver(+51): library_directory is [/usr/local/lib/dbmail]
Jul 19 17:46:39 lira dbmail-util[25205]: [0x8ba1b08] Debug:[auth] auth_load_driver(+64): looking for auth_sql as /usr/local/lib/dbmail/libauth_sql.so

Checking DBMAIL for rfcsize field...
Jul 19 17:46:39 lira dbmail-util[25205]: [0x8ba1b08] Database:[db] db_con_get(+257): [0x8ba5228] connection from pool
Jul 19 17:46:39 lira dbmail-util[25205]: [0x8ba1b08] Database:[db] db_query(+344): [0x8ba5228] [SELECT id FROM dbmail_physmessage WHERE rfcsize=0]
Jul 19 17:46:39 lira dbmail-util[25205]: [0x8ba1b08] Database:[db] log_query_time(+290): last query took [0.180] seconds
Jul 19 17:46:39 lira dbmail-util[25205]: [0x8ba1b08] Database:[db] db_con_close(+275): [0x8ba5228] connection to pool
Ok. Found [6] missing rfcsize values.

Checking DBMAIL for cached envelopes...
Jul 19 17:46:39 lira dbmail-util[25205]: [0x8ba1b08] Database:[db] db_con_get(+257): [0x8ba5228] connection from pool
Jul 19 17:46:39 lira dbmail-util[25205]: [0x8ba1b08] Database:[db] db_query(+344): [0x8ba5228] [SELECT p.id FROM dbmail_physmessage p LEFT JOIN dbmail_envelope e ON p.id = e.physmessage_id WHERE e.physmessage_id IS NULL]
Jul 19 17:46:41 lira dbmail-util[25205]: [0x8ba1b08] Database:[db] log_query_time(+290): last query took [1.879] seconds
Jul 19 17:46:41 lira dbmail-util[25205]: [0x8ba1b08] Database:[db] db_con_close(+275): [0x8ba5228] connection to pool
Ok. Found [6] missing envelope values.

Checking DBMAIL for cached header values...
Jul 19 17:46:41 lira dbmail-util[25205]: [0x8ba1b08] Database:[db] db_con_get(+257): [0x8ba5228] connection from pool
Jul 19 17:46:41 lira dbmail-util[25205]: [0x8ba1b08] Database:[db] db_query(+344): [0x8ba5228] [SELECT p.id FROM dbmail_physmessage p LEFT JOIN dbmail_header h ON p.id = h.physmessage_id WHERE h.physmessage_id IS NULL]
Jul 19 17:46:50 lira dbmail-util[25205]: [0x8ba1b08] Database:[db] log_query_time(+290): last query took [9.090] seconds
Jul 19 17:46:50 lira dbmail-util[25205]: [0x8ba1b08] Database:[db] db_con_close(+275): [0x8ba5228] connection to pool
Ok. Found [6] un-cached physmessages.

Maintenance done. Errors were found but not fixed.
Run again with the '-y' option to repair the errors.