Mimecast vs Proofpoint
Updated June 2026 · A structured head-to-head comparison.
Email security and human-centric protection
The verdict
Both Mimecast and Proofpoint are credible email security tools, and the right pick comes down to your priorities.
Mimecast - Email security, archiving, and continuity
Proofpoint - Email security and human-centric protection
Mimecast vs Proofpoint: side by side
| Dimension | Mimecast | Proofpoint |
|---|---|---|
| Starting price | Custom | Custom |
| Free plan | No | No |
| Pricing model | Subscription | Subscription |
| Best for | Smb, Enterprise, Security Teams | Enterprise, Security Teams, Compliance Teams |
| Platforms | Web, API | Web, API |
| Rating | 4.4/5 | 4.5/5 |
Mimecast key facts
- Vendor
- Mimecast
- Pricing
- Subscription - Custom
- Free tier
- No
- Platforms
- Web, API
- Best for
- Smb, Enterprise, Security Teams
- Editor rating
- 4.4 / 5
- Founded
- 2003
- Headquarters
- London, UK
Proofpoint key facts
- Vendor
- Proofpoint
- Pricing
- Subscription - Custom
- Free tier
- No
- Platforms
- Web, API
- Best for
- Enterprise, Security Teams, Compliance Teams
- Editor rating
- 4.5 / 5
- Founded
- 2002
- Headquarters
- Sunnyvale, USA
Frequently asked questions
Is Mimecast better than Proofpoint?
Neither is universally better - Proofpoint edges ahead on overall rating, but the best choice depends on price, platforms, and your use case. See the side-by-side table above.
Is Mimecast or Proofpoint cheaper?
Mimecast is the more affordable of the two to get started, at custom. Mimecast starts at custom; Proofpoint starts at custom.
Can Mimecast replace Proofpoint?
Yes for most teams - both are email security tools with heavily overlapping features. The main trade-offs are pricing and platform support, covered in the comparison above.
Side-by-side software breakdowns and pricing changes - in your inbox monthly.