Mimecast Email Security vs Proofpoint 2026: Which Is Better?
Updated May 2026 · Email & Phishing Security
Side-by-Side Comparison
| Feature | Mimecast Email Security | Proofpoint |
|---|---|---|
| Name | Mimecast Email Security | Proofpoint |
| Category | Email & Phishing Security | Email & Phishing Security |
| Rating | 4.4/5 | 4.5/5 |
| Pricing Model | Enterprise | Paid |
| Open Source | N | N |
| Deployment | Cloud / On-prem (Enterprise) | Cloud / Self-hosted |
| Best For | Enterprise Email & Phishing Security | Professional Email & Phishing Security |
Key Differences
- Pricing model: Mimecast Email Security is Enterprise, while Proofpoint is Paid.
- Open source: Neither is open-source; both are commercial products with proprietary code.
- Community rating: Both tools are rated within 0.1 points of each other (4.4/5 vs 4.5/5) — quality perception is similar.
- Deployment: Mimecast Email Security is typically delivered as Cloud / On-prem (Enterprise), while Proofpoint is Cloud / Self-hosted.
Alternatives to Consider
Top Email & Phishing Security tools similar to Mimecast Email Security
Proofpoint Alternatives →Top Email & Phishing Security tools similar to Proofpoint
Frequently Asked Questions
Is Mimecast Email Security better than Proofpoint?
Mimecast Email Security is rated 4.4/5 vs 4.5/5 for Proofpoint. "Better" depends on your specific use case — pricing, deployment, integrations, and team requirements all factor in. Review both tool pages and the comparison table above to make the right call.
Is Mimecast Email Security or Proofpoint cheaper?
Mimecast Email Security uses a Enterprise pricing model, while Proofpoint uses Paid. Total cost depends on team size, deployment scale, and required support tier — request quotes from both vendors for accurate comparison.
Can I use Mimecast Email Security and Proofpoint together?
Yes — many security teams run multiple Email & Phishing Security tools in parallel for defense in depth, redundancy, or to leverage each tool's specific strengths. Check both products' integration documentation for supported workflows, data export formats, and API compatibility.