Domain aliases using hosted domains

[Manel Gimeno Zaragozá]

Hello,

I've been searching for some solutions and I've see the following blog:

http://www.tbits.net/tbits-opensource/kolab3multipledomains.html

and it refers to a dev kolab list entry:

http://lists.kolab.org/pipermail/kolab-devel/2013-April/014274.html

But it not solve my problem, It look like some of you are already working on it, but if someone could please provide some light about it, because I'm really stuck on this.

Anyway, I've been thinking about a solution but I'm not sure if it's elegant, 

    - Generate a new "ou" inside management domain called "aliases" and then create a branch for each domain and inside an object for each user and inside only the attributes mail and alias. It force me to setup something that create this objects
        each time a user is created. Also it has the problem that some info of each user is duplicated (one time in management branch and another in its own domain branch).
        it would look like:
            dc=kolab,dc=ddol,dc=es
                ou=aliases
                    ou=kolab.test.es
                        uid=user.uno
                            mail=user.uno at kolab.test.es
                            alias=user.uno at kolabalias1.test.es
                            alias=user.uno at kolabalias2.test.es
                        uid=user.tres
                            mail=user.tres at kolab.test.es
                            alias=user.tres at kolabalias1.test.es
                            alias=user.tres at kolabalias2.test.es
                    ou=kolabdos.test.es
                        uid=user.dos
                            mail=user.dos at kolabdos.test.es
                            alias=user.dos at kolabdosalias1.test.es
                            alias=user.dos at kolabdosalias2.test.es
                        uid=user.cuatro
                            mail=user.cuatro at kolabdos.test.es
                            alias=user.cuatro at kolabdosalias1.test.es
                            alias=user.cuatro at kolabdosalias2.test.es                        
        so then, the virtual_alias_maps.cf just must search in the "base_dn = ou=aliases,dc=kolab,dc=ddol,dc=es" for the alias domain
            #  cat virtual_alias_maps.cf
                server_host = localhost
                server_port = 389
                version = 3
                search_base = base_dn = ou=aliases,dc=kolab,dc=ddol,dc=es
                scope = sub
                domain = ldap:/etc/postfix/ldap/mydestination.cf
                bind_dn = uid=kolab-service,ou=Special Users,dc=kolab,dc=ddol,dc=es
                bind_pw = datadec
                query_filter = (|(mail=%s)(alias=%s))
                result_attribute = mail

What do you think? am I getting something wrong? please let me know if i've misunderstood something. Before start to modify/create schemas in LDAP, I prefer your opinion.

Thanks & Regards.

Manel

Manel 

From: magiza83 at hotmail.com
To: kolab-users at kolab.org
Subject: Domain aliases using hosted domains
Date: Wed, 3 Apr 2013 11:34:32 +0200




Hello,

I'm getting problems to setup domain aliases for hosted domains, what I've done is:

- domain manage tab, create a new domain name below the main one (admin web):
    Management domain
        kolab.test.es
        kolabtres.test.es
    
    Hosted domain
        kolabdos.test.es
        kolabcuatro.test.es
    
- Now I have the following data in LDAP
    cn=kolab,cn=config
        associateddomain=kolab.test.es,cn=test,cn=config
            associatedDomain kolab.test.es
            associatedDomain kolabtres.test.es
        associateddomain=kolabdos.test.es,cn=test,cn=config
            associatedDomain kolabdos.test.es
            associatedDomain kolabcuatro.test.es

- Now I've setup an alias for a user like:
    alias u.uno at kolabtres.test.es
    
But if i send an email to u.uno at kolabtres.test.es postfix return me that user unknown. I've check the ldap lookup tables for postfix and I think the problem is in the base_dn, I've have it setup like:
    # cat mydestination.cf
        server_host = localhost
        server_port = 389
        version = 3
        search_base = cn=kolab,cn=config
        scope = sub

        bind_dn = uid=kolab-service,ou=Special Users,dc=kolab,dc=test,dc=es
        bind_pw = ******

        query_filter = (&(associatedDomain=%s))
        result_attribute = associateddomain

    # postmap -q kolabtres.test.es ldap:/etc/postfix/ldap/mydestination.cf    
        kolab.test.es,kolabtres.test.es
    
    But when I've try to search in virtual_alias_maps or local_recipients_maps I've no exit:
    # cat virtual_alias_maps.cf
        server_host = localhost
        server_port = 389
        version = 3
        search_base = dc=%3,dc=%2,dc=%1
        scope = sub

        domain = ldap:/etc/postfix/ldap/mydestination.cf

        bind_dn = uid=kolab-service,ou=Special Users,dc=kolab,dc=test,dc=es
        bind_pw = *****

        query_filter = (&(|(mail=%s)(alias=%s))(objectclass=kolabinetorgperson))
        result_attribute = mail

    # cat local_recipient_maps.cf
        server_host = localhost
        server_port = 389
        version = 3
        search_base = dc=%3,dc=%2,dc=%1
        scope = sub

        domain = ldap:/etc/postfix/ldap/mydestination.cf

        bind_dn = uid=kolab-service,ou=Special Users,dc=kolab,dc=test,dc=es
        bind_pw = *****

        query_filter = (&(|(mail=%s)(alias=%s))(|(objectclass=kolabinetorgperson)(|(objectclass=kolabgroupofuniquenames)(objectclass=kolabgroupofurls))(|(|(objectclass=groupofuniquenames)(objectclass=groupofurls))(objectclass=kolabsharedfolder))))
        result_attribute = mail

    # postmap -q u.uno at kolabtres.test.es ldap:/etc/postfix/ldap/virtual_alias_maps.cf
    # (no exit)

It looks like virtual_alias_maps.cf tries to search in "search_base = dc=%3,dc=%2,dc=%1", in my case it is translated to "search_base = dc=kolabtres,dc=test,dc=es", which do not exits.
Which configuration should I have to make this work?

Thanks & Regards.
    
Manel
 		 	   		  

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