efa-project.org

Thanks a lot for the pointers above. To get valid recipients from our Zimbra server I had to use these settings: (I used "LDAP Admin" to get the info and test the LDAP settings) #add to /etc/postfix/ldap_relay_recipient_maps.cf: server_host = ZIMBRA.DOMAIN.COM start_tls = yes bind_dn = uid...