Mimecast alternatives
On the evidence we track, the strongest alternative to Mimecast is Abnormal Security at 61/100. Mimecast itself ranks #6 of 8 in email security. Every product below is scored on the same independent signals, so the ranking is comparable rather than a matter of opinion.
Ranked alternatives to Mimecast
- 1Abnormal Security
AI-powered email security using behavioral analysis to detect novel attacks in real-time
low · 34% - 2Check Point Harmony Email & Collaboration
Email and collaboration security that blocks malicious messages and threats before they reach users
low · 26% - 3
- 4Trend Micro Email Securitylow · 18%
- 5Proxmox Mail Gateway
Email security appliance for blocking spam, malware, and unwanted communications
low · 12% - 6Proofpoint Email Protection
AI-powered email security that detects and blocks phishing, business email compromise, and ransomware attacks
low · 12% - 7Barracuda Email Protectionvs Mimecast →
Email security platform that adds advanced threat detection and user training to Microsoft 365 and Google Workspace
low · 46%
Not sure which of these fits?
This ranking uses our balanced weighting. Say what actually matters to you (budget, compliance, self-hosting, team size) and the same email security get reordered against that instead.
Free to run, no account needed to start. How the evaluation works
Why these ones
An alternative here means a product in the same category as Mimecast (Email Security), ranked by the vioscaleAI composite: a confidence-weighted blend of independent signals such as adoption, release activity, pricing transparency and security posture. There are no user reviews in it, and no vendor can pay to appear or to rank higher. Where we have not confirmed something, we show that rather than guessing.
Generated . See the method for how the composite is built, and why we are independent.