Like many others, we tried to Bounce messages to obvious spammers, then realized that (DUH!) bogus Return Path info makes this impossible. What self-respecting spammer would give a real Return address?
We now enjoy using Imail's Control Access function to refuse service from entire network blocks (determining the blocks using a combination of Sam Spade, command line nslookup and a network calculator like: http://www.telusplanet.net/public/sparkman/netcalc.htm) This has given us the following network blocks to reject, where the numbers indicate: network - network mask (addresses + 2) Link Exchange 204.71.191.0 - 255.255.255.0 (256) edirectnetwork 209.213.220.192 - 255.255.255.240 (16) Premdor 208.254.222.128 - 255.255.255.240 (16) Smart Idea, Inc. 216.242.122.224 - 255.255.255.224 (32) Smart Idea, Inc. 216.242.11.224 - 255.255.255.224 (32) sweepsclub 216.242.75.0 - 216.242.75.127 255.255.255.128 (128) Edirectnetwork 66.115.47.0 - 255 255.255.255.0 (256) ROI 208.254.222.0 - 255.255.255.128 (128) mytsa.com 63.149.180.0 - 255.255.255.240 (16) Roving Software 63.251.135.64 - 255.255.255.224 (32) TwistedHumor.com (LionsPride) 64.37.114.64 - 255.255.255.224 (32) LAmarketing 216.31.147.0 - 255.255.255.0 (256) ecommerce-tech.com 205.160.49.0 - 255.255.255.0 (256) Mediaplex.com 63.209.29.128 - 255.255.255.224 (32) Verticalresponse.com 64.125.128.96 - 225.255.255.224 (32) Our spam traffic has been reduced dramatically. Michael > From: "Grant Griffith" <[EMAIL PROTECTED]> > Subject: [Declude.JunkMail] Bounced Message? > Date: Fri, 8 Mar 2002 11:23:22 -0500 > Reply-To: [EMAIL PROTECTED] > Anyone have a nice Bounce message that they would like to share? --- [This E-mail was scanned for viruses by Declude Virus (http://www.declude.com)] --- This E-mail came from the Declude.JunkMail mailing list. To unsubscribe, just send an E-mail to [EMAIL PROTECTED], and type "unsubscribe Declude.JunkMail". You can E-mail [EMAIL PROTECTED] for assistance. You can visit our web site at http://www.declude.com .
