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Meanings and definitions for DNSBL
What does DNSBL stand for? What does DNSBL mean?
- A Domain Name System-based Blackhole List, Domain Name System Blacklist (DNSBL) or Real-time Blackhole List (RBL) is a service where with a simple DNS query mail servers can check whether a sending IP address is on a blacklist of IP addresses reputed to send email spam.
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