Spam is the use of electronic messaging systems (including most broadcast media, digital delivery systems) to send unsolicited bulk messages indiscriminately.

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How to create your own RBL DNS Blacklist to prevent spam

I am getting sick of reporting the same old chinese emails to Spamcop now and would like to make my own small RBL list that I can easily add blocks of IP's to. I have a spare PC and static IP address ...
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spam with my own domain

At my work we have a very tricky issue with spam. We use postfix, and recently began to receive several spams mail with our own domain. This is obviously very prejudicial for us, because many ...