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How to Configure Spam Protection in Exchange 2013

In this article we’ll talk about the peculiarities of functioning and setting RBL filters in Exchange 2013. Let’s remember what RBL is. RBL (Realtime Blackhole List) is a service that stores the database of IP addresses of mail servers detected as spammers. RBL is the most often accessed over DNS so these services are also called DNSBL (DNS Block Lists).

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