The first layer of defense

The most effective blocklist on the market

Our IP and Domain blocklists help you to get rid of > 99.6% of spam, malware, phishing, and ransom attacks before they reach your inboxes.

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5 Step Process

Sign-up for a free 14 day trial
Create an account
Configure your mail servers
Query Abusix Mail Intelligence
Upgrade to a plan
We were positively surprised by their high level of support! That’s why we changed from Spamhaus to Abusix.”
Thomas L.
System Engineer, Company Name, Switzerland
Trialing Abusix’s Blocklists was pretty straightforward. The configuration of my mail servers took me a couple of minutes and I immediately benefited from a reduction in system load – Thanks guys! ”
Peter D.
Head of Security
The deciding factor to go with Abusix was the amount of positive detection, which was significantly better than the competitors’ solutions.”
Mateusz C.
CSM/IT Manager, Norway