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DNS Blocklist Basics

by Matt Stith on November 11, 2020

DNS blocklists should be your first line of defense against spam and other email-borne theats. Here is an intro to some DNSBL fundamentals.

*** This is a Security Bloggers Network syndicated blog from The Spamhaus Project authored by Matt Stith. Read the original post at: https://www.spamhaus.org/resource-hub/email-security/dns-blocklist-basics

Matt Stith ,