Alex put forth on 4/18/2010 4:45 PM:
> Is it possible to use maps_rbl_domains instead of reject_rbl_client
> here? It appears this machine has a version of postfix that doesn't
> understand reject_rbl_client.
maps_rbl_domains (default: empty)
Obsolete feature: use the reject_rbl_client feature instead.
reject_rbl_client rbl_domain=d.d.d.d
...
*** This feature is available in Postfix 2.0 and later. ***
(emphasis mine)
Your statement leads me to believe you're using a Postfix version less than
2.0. IIRC, versions less than 2.3 are no longer supported.
It appears you _really_ need to upgrade Postfix on that host. And given
that it's likely a distribution package, you probably really need to update
the OS on that host as well.
--
Stan