Use LDAP for Postfix tables
To use LDAP, put this in main.cf: virtual_alias_domains = ldap:/etc/postfix/ldap-domains.cf virtual_mailbox_maps = ldap:/etc/postfix/ldap-virtual-mailbox.cf virtual_alias_maps = ldap:/etc/postfix/ldap-aliases.cf ldap-domains.cf: server_host = ldap://127.0.0.1:389 bind = yes bind_dn = cn=admin,dc=null,dc=nl bind_pw = <password> search_base = ou=domain-aliases,dc=null,dc=nl scope = sub query_filter = (cn=@%s) result_attribute = READ MORE