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Tag Archives: postfix
A DNSBL and Greylisting Hybrid Approach
I have long been a critic of greylisting as a method of reducing spam. I recently broke down and implemented it on my servers after a couple of back-to-back blacklisting issues. The problem with DNSBL blacklists is that even the … Continue reading
Posted in Miscellaneous
Tagged dnsbl, greylisting, postfix