Password change plugin in poste.io fails - plugins

Question

I am experiment with poste.io mail server. It uses rouncube as its web interface. I tried to enable the password plugin.
I see below error whenever I try to set the password:
[21-Mar-2017 13:00:31 +0100]: DB Error: [1] no such function: update_passwd (SQL Query: SELECT update_passwd('$1$LXeDlIT0$NGunS8gcCOSrKK2ZJ6RIW/', 'naidu#example.com')) in /opt/www/webmail/program/lib/Roundcube/rcube_db.php on line 539 (POST /webmail/?_task=settings&_action=plugin.password-save)
The internet is full of using mysql as the database. I think I have to update the password change query in
/opt/www/webmail/plugins/password/config.inc.php
from
$sql = 'SELECT update_passwd(%c, %u)';
to
$sql = 'UPDATE mailaccount SET password=%c WHERE nname=%u LIMIT 1';
The UPDATE statement above is valid for mysql. What is the equivalent for sqlite3 database?

Answer 1

I have a setup consist of postfix with sqlite and my sql query is as below:
UPDATE mailbox SET password=%c WHERE username=%u LIMIT 1
My sqlite config as below:
$config['password_db_dsn'] = 'sqlite:////var/vmail/postfixadmin.db?mode=0646';
$config['password_query'] = 'UPDATE mailbox SET password=%c WHERE username=%u LIMIT 1';
Add this for debugging:
$config['debug_level'] = 4;
$config['sql_debug'] = true;
$config['imap_debug'] = true;
$config['ldap_debug'] = true;
$config['smtp_debug'] = true;
Hope this helps.