Here are the top 2 most popular greylisting softwares as derived from our TpSort Score which is a continually popular score, it denotes an estimated popularity of a software.
Postgrey is a Postfix policy server implementing greylisting developed by David Schweikert.When a request for delivery of a mail is received by Postfix via SMTP, the triplet CLIENT_IP / SENDER / RECIPIENT is built. If it is the first time that this triplet is seen, or if the triplet was......
BitNinja is a server defense network. As an integrated solution it combines the most powerful defense mechanism, and this way it can provide a broad level of protection. Each protected server can detect and defend against wide range of server attacks. The servers share attack information with each other and......
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