Important Update: Legacy Spamhaus DNS Blocklist Users on Microsoft Infrastructure
Email administrators using the free legacy DNS Blocklists (DNSBLs) from The Spamhaus Project and operating on Microsoft’s infrastructure must update their configurations. Failure to do so by April 9, 2025, could result in significant or complete email blocking.
This change requires simple adjustments to your email setup. For detailed instructions and the latest information, please refer to the original post on The Spamhaus Project website: Original Post at Spamhaus
