postfix and SMTP AUTH - help please

Hi, I want to have email clients to authenticate in order to send email:
so I'm trying to have postfix to relay out of my network only with SMTP 
auth:
I read quite a lot of docs, but I can't find wy my environ is not working:
so,

from /etc/postifx/main.cf

smtpd_sasl_auth_enable = yes
smtpd_sasl_security_options = noanonymous
smtpd_sasl_local_domain =
smtpd_sasl_auth_client = yes


smtp_sender_restrictions =
    ...
    permit_sasl_authenticated,
    permit_mynetworks,
    check_relay_domains


smtp_recipient_restrictions =
    ...
    permit_sasl_authenticated,
    permit_mynetworks,
...
    check_relay_domains

from /etc/sysconfig/saslauthd (I'm using Fedora core 3)
    start=yes
    SOCKETDIR=/var/run/saslauthd
    MECH=pam
    FLAGS=

from /etc/pam.d/smtp
    auth            required        /lib/security/pam_ldap.so
    account      required        /lib/security/pam_ldap.so
    password   required        /lib/security/pam_ldap.so use_authok
    session       required        /lib/security/pam_ldap.so

from /usr/lib/sasl/smtpd.conf
    pwcheck_method: saslauthd
    saslauthd_version: 2

from /usr/lib/sasl2/smtpd.conf (this is the really important one)
    pwcheck_method: saslauthd
    mech_list: plain login


from /etc/ldap.conf (pam_ldap use this file to estabilish logins)
    host 127.0.0.1
    base o=ispman
    ldap_version = 3
    binddn =  cn=Directory Administrator,o=ispman
    bindpw mysecret
    pam_password crypt
    ssl no

Notice that slapd is already properly configured (I can run webpanel, 
courierimap, apache, bind, pureftpd, freeradius, sqwebmail, .. they are all 
in good working order)
I really don't know what goes wrong, but before getting completely crazy I 
enabled loggin in slapd, so I noticed this:

from /var/log/slapd.log
    conn=1 op=1 SRCH base "o=ispman" scope=2 deref=0, 
filter="[email protected]"
    conn=1 op=1 SRCH attr=homeDirectory, maibox, cn, clearPassword, 
userPassword, uidNumber, gidNumber, uid, mailQuota
    conn=1 op=1 SEARCH RESULT tag=101 err=0 nentries=1 text=

The above is logged when attempting a pop3 access with courier with its (own 
ldap module), not usin pam_ldap
Below instead is an access with SMTP AUTH:

from /var/log/slapd.log
    conn=10 op=1 SRCH base "o=ispman" scope=2 deref=0, filter="uid=user"
    conn=10 op=1 SEARCH RESULT tag=101 err=0 nentries=0 text=
So I noticed 2 things: uid is not the one provided by email client (which 
sent [email protected])
again the 2nd thing is nentries=0

what do you think about? May somone help me?
Thanks since now

Marco Carcano









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