1 virtual_alias_maps = $alias_maps, hash:/etc/postfix/virtual, 2 ldap:/etc/postfix/ldap/virtual_alias_maps_resources.cf, 3 ldap:/etc/postfix/ldap/virtual_alias_maps_people.cf 4 sender_bcc_maps = ldap:/etc/postfix/ldap/virtual_alias_maps_people_outgoing.cf
