Postfix, LDAP and Samba
 

I have already managed to setup Samba with LDAP back-end as PDC and BDC. My new task is to setup Postfix (in 2 servers, as master/slave mail servers). Email accounts have to be the same with the Samba logins.

Samba uses the SMBLDAP tools. I have followed the tutorials and the add user section of smb.conf is:
However, when I tried to retrieve the mail attribute of users I failed! The reason seems to be that the smbldap-useradd does not add that attribute automatically. Then I tried to add that attribute using the "-M" flag.
From command line the

Code:

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/usr/sbin/smbldap-useradd -m testpostfix -M mailtest

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added the user succesfully in LDAP. BUT: The user had NO samba attributes! Thus, I deleted the user and added the -a flag:
This time I had the samba specific attributes (eg SambaSID, SambaNTPassword). However, the mail attribute still does not exist! I thought that the problem was something else (aka ldapsearch), but I added that following search filter: From there it was clear that the mail attribute was empty! Can someone help me please?

In any case, I found no good tutorial/howto/example on the subject, (Postfix, LDAP, Samba).

I am looking for a good how-to on the issue, or even better a working example. All searches in Google and HowTo sites have nothing on the issue (Postfix, LDAP, Samba). Any help would be appreciated.

You should read this as postfix does not have its own schema for ldap

Regards

Correct, but LDAPAdmin is a Windows only tool. In any case, I cannot see how his will solve my problem. Should I add the Postfix schema to LDAP and then use LDAP Admin instead of MS tools?

Exactly. You should borrow the postfix schema (and maybe parts of main.cf), include it in slapd.conf and use whatever tool you want to administer ldap.