Best Mimecast Secure Email Gateway Alternatives in 2026
Updated
20 platforms from email security gateways ranked against Mimecast Secure Email Gateway on the same published basis.
- 1Mimecast Secure Email Gateway vs VM Backup
- 2Mimecast Secure Email Gateway vs Xeams
- 3Mimecast Secure Email Gateway vs Mailprotector
- 4Mimecast Secure Email Gateway vs Abnormal Email Security
- 5Mimecast Secure Email Gateway vs Darktrace / EMAIL
- 6Mimecast Secure Email Gateway vs Fortra Data Security Posture Management
- 7Mimecast Secure Email Gateway vs IRONSCALES Email Protect
- 8Mimecast Secure Email Gateway vs SpamHero Business Email Security
- 9Mimecast Secure Email Gateway vs Rspamd
- 10Mimecast Secure Email Gateway vs Hermes Secure Email Gateway
- 11Mimecast Secure Email Gateway vs MailScanner
- 12Mimecast Secure Email Gateway vs Scrollout F1
- 13Mimecast Secure Email Gateway vs Mimecast Data Leak Prevention
- 14Mimecast Secure Email Gateway vs INKY Email Security
- 15Mimecast Secure Email Gateway vs Proxmox Backup Server
- 16Mimecast Secure Email Gateway vs Sophos Secure Message
- 17Mimecast Secure Email Gateway vs Check Point Harmony SASE
- 18Mimecast Secure Email Gateway vs LevelBlue AppDetectivePRO
- 19Mimecast Secure Email Gateway vs Libraesva Email Security
- 20Mimecast Secure Email Gateway vs SpamTitan Gateway
Mimecast Secure Email Gateway alternatives compared
| # | Platform | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | VM Backup | 7.4 | Free plan | Free | API, Linux, self-hosted, Windows |
| 2 | Xeams | 7.3 | Free plan | $25/mo | API, Linux, Mac, self-hosted, Web, Windows |
| 3 | Mailprotector | 7.2 | Free plan | Free | API, Web |
| 4 | Abnormal Email Security | 6.8 | API, Web | ||
| 5 | Darktrace / EMAIL | 6.7 | API, Web | ||
| 6 | Fortra Data Security Posture Management | 6.7 | API, self-hosted, Web | ||
| 7 | IRONSCALES Email Protect | 6.7 | Android, API, iOS, Web | ||
| 8 | SpamHero Business Email Security | 6.7 | No | $5/mo | API, Web |
| 9 | Rspamd | 5.9 | Free plan | £100/mo | Linux, Mac, self-hosted |
| 10 | Hermes Secure Email Gateway | 5.8 | Free plan | $62.50/mo | Linux, self-hosted |
| 11 | MailScanner | 5.8 | Free plan | Free | Linux, self-hosted |
| 12 | Scrollout F1 | 5.8 | Free plan | Free | Linux, self-hosted, Windows |
| 13 | Mimecast Data Leak Prevention | 5.6 | Web | ||
| 14 | INKY Email Security | 5.5 | Web | ||
| 15 | Proxmox Backup Server | 5.5 | €46.67/mo | Linux, Web | |
| 16 | Sophos Secure Message | 5.5 | Web | ||
| 17 | Check Point Harmony SASE | 5.4 | Android, iOS, Linux, Mac, Web, Windows | ||
| 18 | LevelBlue AppDetectivePRO | 5.3 | No | self-hosted, Web, Windows | |
| 19 | Libraesva Email Security | 5.3 | self-hosted, Web | ||
| 20 | SpamTitan Gateway | 5.3 | self-hosted, Web |
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Questions about Mimecast Secure Email Gateway alternatives
What is the best alternative to Mimecast Secure Email Gateway?
VM Backup, number 1 in email security gateways with a score of 7.4 out of 10. The others here: Xeams, Mailprotector, Abnormal Email Security and 16 more.
What is the best free alternative to Mimecast Secure Email Gateway?
VM Backup is the best-ranked alternative with a free plan. 7 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it.