Yehuda Posted November 15, 2016 Share Posted November 15, 2016 If I remember correctly, spamcop used to recognize private IP addresses as private and throw them out. Now it appears (no idea how long this has been going on) that it is trying DNS resolution on private IP addresses. host 192.168.1.254 = netscreen-dig.ironport.com (cached) netscreen-dig.ironport.com is 192.168.1.254 I wasnt sure the forum is the right place for this, but i couldnt find anywhere else. Link to comment Share on other sites More sharing options...
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