[CentOS] Postfix and choice of RBL

Am 17.06.2019 um 18:09 schrieb Mike Burger:
> On 2019-06-17 06:20, Nicolas Kovacs wrote:
>> Hi,
>>
>> I'm managing several mail servers running CentOS 7, Postfix and Dovecot.
>> SpamAssassin is filtering mail nicely, but I'm considering using RBL
>> (blacklists) to take some load off the servers.
>>
>> General question to those of you who use RBL. Which lists do you
>> recommend using?
> 
> In my "reject_rbl_client" lines, I've been using:
> 
>   - hil.habeas.com
>   - sbl-xml.spamhaus.org
>   - bl.spamcop.net
> 
> And in my reject_rhsbl_sender line, I have:
> 
>   - ds.rfc-ignorant.org
> 
> Additionally, I've got Postgrey enabled, which does a really good job of 
> weeding out the spambot desktops and such.

Instead of using reject_rbl_client the better choice is to use 
postscreen within Postfix. That enables the admin to set weighted 
scores, not rejecting based on a single RBL.

Alexander