Marius Gologan:
> Thank you. I will go with central RBL service and a policy service script.
>
FYI, check_sender_ns_access does not require a policy server.
Wietse
>
> -----Original Message-----
> From: "Wietse Venema" <wie...@porcupine.org>
> Sent: ?9/?11/?2015 2:15 AM
> To: "postfix-users@postfix.org" <postfix-users@postfix.org>
> Subject: Re: Check NS (name or IP) against RBL
>
> Viktor Dukhovni:
> > On Fri, Sep 11, 2015 at 12:25:56AM +0300, Marius Gologan wrote:
> >
> > > Is there any way to check the name server (name and/or IP) of the Sender
> > > domain against RBL service?
> >
> > Only via a policy service that does the relevant DNS lookups.
>
> I have used check_sender_ns_access to block persistent spammers.
> There are also check_sender_mx_access, and similar features for
> client, helo, recipient.
>
> Wietse
