If you’re using the free DNS Blocklists (DNSBLs) through the Public Mirrors while running on Oracle’s network, you’ll need to make a few small adjustments to your email setup. These changes are simple to apply, but if you don’t take action, you risk having some – or even all – of your email blocked after April 8th, 2026!
First seen on securityboulevard.com
Jump to article: securityboulevard.com/2026/02/querying-the-free-dnsbls-via-oracle-move-to-spamhaus-technologys-free-data-query-service/
