linkp
November 2, 2023, 10:57am
2
The messages you shared in the screenshots indicate that your server is refusing the messages based on your Spamhaus DNSbl rules which appear to be incorrectly configured.
Is your HestiaCP DNS server querying the DNSBLs (like SpamHaus) directly or using a forwarder?
Because if your HestiaCP server forwards all DNS queries via some public DNS (e.g. Google’s 8.8.8.8 or Cloudflare’s 1.1.1.1) or even some larger ISP (Hetzner), then the DNSBLs often won’t work.
Yes, but why block queries from public recursive name servers?
It’s simple – public recursive name servers act as an anonymizing service and enable large-scale users to hide behind them. Given the lack of tr…