Until I can migrate my clients over to Postfix I have been using the access lists in Sendmail to block certain repeat spammers. I am wondering if I could just use iptables to block them and take the load off Sendmail?
My question would be 1)Is that practical 2)Is the proper way to block an entire network this: iptables -A INPUT -s 209.8.161.0/24 -j DROP I added this, however traffic from this network is still reaching my mail server. I want to block EVERYTHING from that network as they are sending porn mail to my clients. Thanks, -Scott
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