Re: per-domain RBLs

From: Xavier Beaudouin (no email)
Date: Wed Oct 31 2001 - 14:50:56 EST

Hello Joe,

HAve a look at :,
This is József Kadlecsik Per user UCE control... I maybe what you want
(especialy if you use external maps : ldap, sql...)


> It would be cool to see a feature that would allow per-domain RBL
> lookups. I think this would be easy to implement.. read on!
> Add a setting to enable the feature.
> When enabled Postfix would do potentially two RBL lookups:
> Say the rbl server is
> Say the client host was
> The RCPT TO: address is .
> Postfix does an RBL lookup of
> If this is a match (to reject) then Postfix rejects and is done.
> else
> Postfix does an RBL lookup of
> (this is what it does now). It checks for a match here and if no match, it
> move to the next rule, otherwise reject.
> This would let RBL administrators add per-domain entries or master entries
> applying to all domains.
> (I apologize if I have gotten some of the exact RBL syntax wrong above. I
> do not know if the first lookup would be:
> "" or
> ""
> Is this of interest to anyone else? Does something like this exist?
> --
> Joe Laffey | Want to convert subnet masks between different
> LAFFEY Computer Imaging | notations, or figure the number of IPs in a block?
> St. Louis, MO | Whatmask-It's FREE -
> ------------------------------------------------------------------------------
> -
> To unsubscribe, send mail to with content
> (not subject): unsubscribe postfix-users

Xavier Beaudouin - Unix System Administrator & Projects Leader.
For mail address, please check header of this mails. Spams are not accepted.
Caudium:, CAMAS webmail:
[ Little fortune now ]
 Those who don't understand UNIX are doomed to reinvent it, poorly.
 --Henry Spencer
To unsubscribe, send mail to  with content
(not subject): unsubscribe postfix-users

Hosted Email Solutions

Invaluement Anti-Spam DNSBLs

Powered By FreeBSD   Powered By FreeBSD