How can i tell SASL2 to stop using /etc/sasldb2 ?

[Gert Cuykens]

On 7/28/07, Patrick Ben Koetter <p at state-of-mind.de> wrote:
> If you don't use crypted passwords in the database you might as well use the
> sql auxprop plugin. Then you can additionaly use the shared-secret mechanisms
> CRAM-MD5, DIGEST-MD5 and NTLM.

That was plan A but that didn't work

ubuntu 7.04
postfix 2.3.8
postfix-mysql 2.3.8
mysql-server 5.0.38
libmysqlclient-dev 5.0.38
libsasl2 2.1.22
libsasl2-modules 2.1.22
libsasl2-modules-sql 2.1.22

/etc/postfix/main.cf
mydomain = lan
myhostname = www.lan
mynetworks = 127.0.0.1/32
myorigin = $mydomain
mydestination = localhost $mydomain
relay_domains =
#mailbox_size_limit =
#message_size_limit =
home_mailbox = mailbox
mailbox_transport = dbmail-lmtp:localhost:24
local_recipient_maps = mysql:/etc/postfix/sql-recipients.cf
disable_dns_lookups = yes
smtpd_sasl_auth_enable = yes
smtpd_sasl_path = /etc/postfix/sasl:/usr/lib/sasl2
smtpd_sasl_local_domain =
smtpd_tls_security_level = may
smtpd_tls_cert_file = /etc/ssl/certs/ssl-cert-snakeoil.pem
smtpd_tls_key_file  = /etc/ssl/private/ssl-cert-snakeoil.key

/etc/postfix/sasl/smtpd.conf
pwcheck_method: auxprop
auxprop_plugin: mysql login plain cram-md5 digest-md5
mysql_user: dbmail
mysql_passwd:
mysql_database: dbmail
mysql_statement: SELECT passwd FROM dbmail_users WHERE userid = '%u'
mysql_verbose: yes

/etc/postfix/sql-recipients.cf
user = dbmail
password =
hosts = localhost
dbname = dbmail
table = dbmail_aliases
select_field = alias
where_field = alias

root at www:/etc/postfix# netcat localhost 25
220 www.lan ESMTP Postfix
AUTH PLAIN cm9vdAByb290QGxhbgA=
535 5.7.0 Error: authentication failed: authentication failure