Re: postfix/smtpd connections from unknown users. Dealing with same?

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

Re: postfix/smtpd connections from unknown users. Dealing with same?

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

Re: postfix/smtpd connections from unknown users. Dealing with same?

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

postfix/smtpd connections from unknown users. Dealing with same?

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 zeus postfix/smtpd[92324]: