Problem with SASL2 and postfix on freebsd

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Hello , i'm on freebsd 5.4 and i use cyrus-sasl-2.1.21 , cyrus-sasl-saslauthd-2.1.21 and postfix-2.2.5,1 but i have a problem with sasl2.When i do "telnet localhost 25" , i have that :

Trying 127.0.0.1...
Connected to localhost.linux-win.org.
Escape character is '^]'.
220 gw-bsd.linux-win.org ESMTP Postfix 2.2.5 (FreeBSD)
ehlo example.pl
250-gw-bsd.linux-win.org
250-PIPELINING
250-SIZE 10000000
250-VRFY
250-ETRN
250-STARTTLS
250 8BITMIME


and i don't see "AUTH DIGEST-MD5 PLAIN CRAM-MD5" and "AUTH PLAIN".In my main.cf , i have that :

smtpd_recipient_restrictions = permit_mynetworks,permit_sasl_authenticated, reject_unauth_pipelining,reject_unauth_destination,reject_invalid_hostname,reject_unknown_recipient_domain
smtpd_sender_restrictions = permit_sasl_authenticated , hash:/usr/local/etc/postfix/access, reject_unknown_sender_domain, reject_invalid_hostname
smtpd_sasl_auth_enable = yes
smtpd_sasl_security_options = noanonymous
smtpd_sasl_local_domain =
broken_sasl_auth_clients = no

In /usr/local/lib/sasl2 i have that :

pwcheck_method: saslauthd
auxprop_plugin: sql
sql_engine: mysql
sql_hostnames: 127.0.0.1
sql_user: maildb
sql_passwd: *****
sql_database: maildb
sql_select: select clear from users where id='%u@%r'


and in /etc/pam.d/smtp i have that :

auth            optional        pam_mysql.so host=127.0.0.1 db=maildb user=maildb \
      passwd=***** sql table=users usercolumn=id passwdcolumn=clear crypt=y
account         required        pam_mysql.so host=127.0.0.1 db=maildb user=maildb \
      passwd=***** sql table=users usercolumn=id passwdcolumn=clear crypt=y

I don't understand why postfix doesn't use sasl.Anyone knows this problem ?