Best FortiMail Email Security Alternatives in 2026
Updated
20 platforms from email security gateways ranked against FortiMail Email Security on the same published basis.
- 1FortiMail Email Security vs VM Backup
- 2FortiMail Email Security vs Xeams
- 3FortiMail Email Security vs Mailprotector
- 4FortiMail Email Security vs Abnormal Email Security
- 5FortiMail Email Security vs Darktrace / EMAIL
- 6FortiMail Email Security vs Fortra Data Security Posture Management
- 7FortiMail Email Security vs IRONSCALES Email Protect
- 8FortiMail Email Security vs SpamHero Business Email Security
- 9FortiMail Email Security vs Rspamd
- 10FortiMail Email Security vs Hermes Secure Email Gateway
- 11FortiMail Email Security vs MailScanner
- 12FortiMail Email Security vs Mimecast Data Leak Prevention
- 13FortiMail Email Security vs Proxmox Backup Server
- 14FortiMail Email Security vs Check Point Harmony SASE
- 15FortiMail Email Security vs Sophos Secure Message
- 16FortiMail Email Security vs LevelBlue AppDetectivePRO
- 17FortiMail Email Security vs Libraesva Email Security
- 18FortiMail Email Security vs SpamTitan Gateway
- 19FortiMail Email Security vs Sublime Security
- 20FortiMail Email Security vs Cloudflare Email Security
FortiMail Email Security 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 | No | — | API, Web |
| 5 | Darktrace / EMAIL | 6.7 | No | — | API, Web |
| 6 | Fortra Data Security Posture Management | 6.7 | No | — | API, self-hosted, Web |
| 7 | IRONSCALES Email Protect | 6.7 | No | — | 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 | Mimecast Data Leak Prevention | 5.6 | No | — | Web |
| 13 | Proxmox Backup Server | 5.5 | No | €46.67/mo | Linux, Web |
| 14 | Check Point Harmony SASE | 5.4 | No | — | Android, iOS, Linux, Mac, Web, Windows |
| 15 | Sophos Secure Message | 5.4 | No | — | — |
| 16 | LevelBlue AppDetectivePRO | 5.3 | No | — | self-hosted, Web, Windows |
| 17 | Libraesva Email Security | 5.3 | No | — | self-hosted, Web |
| 18 | SpamTitan Gateway | 5.3 | No | — | self-hosted, Web |
| 19 | Sublime Security | 5.3 | No | — | Web |
| 20 | Cloudflare Email Security | 5.2 | No | — | Web |
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Questions about FortiMail Email Security alternatives
What is the best alternative to FortiMail Email Security?
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 FortiMail Email Security?
VM Backup is the best-ranked alternative with a free plan. 6 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.