From: Victor Duchovni (no email)
Date: Sun Mar 13 2005 - 11:17:35 EST
On Sun, Mar 13, 2005 at 02:42:43PM +0100, Magnus B?ck wrote:
> On Sunday, March 13, 2005 at 14:00 CET,
> richard lucassen <> wrote:
>
> > The smtpd of qmail has this feature:
> >
> > -a whitelist.example.com -b -r blacklist.example.com
> >
> > This means that a whitelist DNS is queried *before* the blacklist DNS
> > is queried. If a server appears on the whitelist, the mail is
> > accepted, even if this server appears on a blacklist.
> >
> > I want all mailservers to use a whitelist DNS but I can only find in
> > the docs methods to whitelist domains in a hash table.
> >
> > Of course I can use LDAP, but is there a way to use a whitelist DNS
> > instead of a hash table?
>
> No such feature is built into Postfix. However, you can write a custom
> policy server that provides such functionality.
>
What happens when the whitelist lookup tempfails? The right answer is
to return DEFER_IF_REJECT. With "rbldnsd" (local copies of blacklist
data) one can specify a separate whitelist that substracts from the
RBL database.
-- Viktor. Disclaimer: off-list followups get on-list replies or get ignored. Please do not ignore the "Reply-To" header. To unsubscribe from the postfix-users list, visit http://www.postfix.org/lists.html or click the link below: <mailto:?body=unsubscribe%20postfix-users>
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