Hi Wietse, I only have one (1) main.cf file in /etc/postfix.
[r...@euzarafa postfix]# find / -name main.cf -ls 5079460 32 -rw-r--r-- 1 root root 28178 Oct 11 19:45 /etc/postfix/main.cf [r...@euzarafa postfix]# Indeed, that's what I've read in the man page to use 'version = 3' parameter. Here is a short copy of my main.cf file: zarafa_destination_recipient_limit = 1 ##virtual_transport = zarafa: virtual_transport = lmtp:127.0.0.1:2003 # virtual_mailbox_domains = cvislabs.eu # virtual_mailbox_maps = ldap:ldap-users ldap-users_server_host = ldaps://eumicrosoft.cvislabs.eu:636 ##ldap-users_server_host = ldap://eumicrosoft.cvislabs.eu tls_ca_cert_file = /etc/ssl/certs/eumicrosoft.pem ldap-users_bind_dn = cn=roland,ou=Zarafa,dc=cvislabs,dc=eu ldap-users_bind_pw = XXXXXX ldap-users_search_base = ou=Zarafa,dc=cvislabs,dc=eu version = 3 ldap-users_scope = sub ldap-users_query_filter = (mail=%s) ldap-users_result_attribute = sAMAccountName # virtual_alias_maps = ldap:ldap_virtual_alias ldap_virtual_alias_server_host = ldaps://eumicrosoft.cvislabs.eu:636 ##ldap_virtual_alias_server_host = ldap://eumicrosoft.cvislabs.eu tls_ca_cert_file = /etc/ssl/certs/eumicrosoft.pem ldap_virtual_alias_bind_dn = cn=roland,ou=Zarafa,dc=cvislabs,dc=eu ldap_virtual_alias_bind_pw = XXXXXX ldap_virtual_alias_search_base = ou=Zarafa,dc=cvislabs,dc=eu version = 3 ldap_virtual_alias_scope = sub ldap_virtual_alias_query_filter = (otherMailbox=%s) ldap_virtual_alias_result_attribute = mail [r...@euzarafa postfix]# Regards, Roland > Roland de Lepper: >> Hi Bastian, >> >> Thanks for the reply. >> >> I've read the man page and the documentation. MS ADS 2008R2 using >> another >> LDAP version probably, because parameter 'version = 3' doesn't solve my >> problem with the postmap search. > > The error message: > > postmap: warning: dict_ldap_open: URL scheme ldaps requires > protocol version 3 > > Means that the POSTMAP command did not find "version = 3" in main.cf. > > How many main.cf files exist on your machine? > > find / -name main.cf -ls > > This may show up some surprises. > > Wietse >