What is Abusix Mail Intelligence?

Abusix Mail Intelligence is a commercial blocklist service that aggregates threat data from multiple sources to provide comprehensive IP, domain, and hash-based blocking. Their combined zone (combined.mail.abusix.zone) is increasingly adopted by enterprise gateways and hosting providers.

Impact Level: Medium. Growing adoption, particularly among hosting providers and enterprises using modern email security stacks.

Abusix zones:

• combined.mail.abusix.zone - Combined blocklist (most commonly queried)
• black.mail.abusix.zone - Known bad actors
• exploit.mail.abusix.zone - Compromised/exploited systems
• dblack.mail.abusix.zone - Domain blocklist

What triggers listing:

• Spam hitting Abusix trap network and partner feeds
• Compromised systems sending **malware** or spam
• Patterns matching known spam infrastructure
• Correlation with other threat intelligence sources

How to check: Use the lookup tool at lookup.abusix.com

Delisting: Submit a removal request at abusix.ai/contact. They tend to respond promptly but require evidence that the issue is resolved.

Abusix represents the newer generation of blocklists - aggregating intelligence from multiple sources rather than relying solely on their own traps.