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6 Simple & Safe Postfix Changes for Over 95% Spam Reduction
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I used to receive around 5,000-7,000 spams daily on my email which is publicly available on the internet. It was consuming too many productive hours daily to fight spam. I decided to fight back. To reduce the spams I first made changes to my postfix configuration with the aim to stop most spams upfront. With 6 simple changes to my postfix configuration my spams dropped from 5,000 - 7,000 to a manageable 5-20 spams daily, often less. Let’s look at these 6 simple postfix changes in details to drastically reduce your spam count too. I am consistently getting over 99% spam reduction after implementing these changes. The changes proved to be safe and without false positives. In several weeks of manual browsing through the log file, I couldn’t spot a single false positive (a case where legitimate mail is rejected).
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