Proofpoint vs Mimecast
Side-by-side from the Top 11 ranking of Abnormal Security vs Proofpoint vs Mimecast: 11 Best Email Security Software 2026. Last verified July 4, 2026.
The short answer
Proofpoint ranks higher on Top 11 (#2 vs #3) for IT and security leaders. Full gateway plus DLP and encryption for regulated firms.
At a glance
| Proofpoint | Mimecast | |
|---|---|---|
| Top 11 rank | #2 / Abnormal Security vs Proofpoint vs Mimecast: 11 Best Email Security Software 2026 | #3 / Abnormal Security vs Proofpoint vs Mimecast: 11 Best Email Security Software 2026 |
| Score (out of 9.4) | 9 | 8.9 |
| Best for | Best for regulated enterprise gateways | Best for security plus archiving and continuity |
| Pricing | $$$ (custom, per-user enterprise pricing) | $$ (roughly $4 to $9 per user per month) |
| HQ | Sunnyvale, USA | London, UK |
| Founded | 2002 | 2003 |
Proofpoint
Full gateway plus DLP and encryption for regulated firms.
www.proofpoint.comSee full entry in Abnormal Security vs Proofpoint vs Mimecast: 11 Best Email Security Software 2026
Mimecast
Security bundled with archiving and outage continuity.
www.mimecast.comSee full entry in Abnormal Security vs Proofpoint vs Mimecast: 11 Best Email Security Software 2026
Methodology and scoring weights live at /methodology. No vendor pays for placement — see about.