Yes, I am using postscreen.
So I’m presuming that’s enough.
postconf -n | grep postscreen
postscreen_access_list = permit_mynetworks,
cidr:/usr/local/etc/postfix/postscreen_access.cidr,
cidr:/usr/local/etc/postfix/postscreen_spf_whitelist.cidr
postscreen_bare_newline_action = enforce
postscree
On Mar 8, 2016, at 9:15 AM, Robert Chalmers wrote:
> I can put them in a postfix blacklist. And possible write a script to update
> the list on a daily basis as more are added.
Are you using postscreen? If not, you should. You’ll see dogs like:
Mar 8 09:35:20 mail postfix/postscreen[78466]: CO
Robert Chalmers:
> This afternoon, over the course of about 4 hours, I?ve logged 741
> connections like this.
>
> Mar 8 15:05:46 zeus postfix/smtpd[92324]: connect from unknown[185.130.5.90]
> Mar 8 15:07:30 zeus postfix/smtpd[92616]: connect from
> unknown[131.161.138.190]
> Mar 8 15:07:39 ze