Abusix Email Threat Protection vs Group-IB Business Email Protection: Side-by-Side Comparison (2026)

Short answer

SMBs and mid-market teams running legacy mail servers will get immediate value from Abusix Email Threat Protection because DNS-based blocklists stop malicious traffic before it hits your infrastructure, not after; the 99.6% catch rate on inbound threats is real throughput, not marketing math. The tool integrates directly into existing mail stacks without rip-and-replace, and its Guardian Mail component delivers instant mitigation at the gateway level. This is not a replacement for post-delivery threat detection or user awareness training; if your threat model depends on catching phishing after it lands in inboxes, you're buying the wrong tool. Mid-market and enterprise security teams drowning in phishing and BEC attacks will see the real payoff from Group-IB Business Email Protection: threat actor attribution and MITRE ATT&CK mapping that actually tells you who hit you and how, not just that something was malicious. It inspects over 290 file formats and can retroactively scrub threats from mailboxes, which handles the detection and recovery sides well, though its strength clearly leans toward identifying threats rather than preventing them upstream. Skip this if your primary concern is reducing false positives for your overworked SOC; Group-IB prioritizes catching sophisticated attacks over tuning alert fatigue.