Head-to-head · Email Security Gateways
Mimecast Secure Email Gateway vs FortiMail Email Security
Mimecast Secure Email Gateway leads on 0 checks, FortiMail Email Security on 0, and 6 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreMimecast Secure Email Gateway · 8.7/10
Mimecast Secure Email Gateway scores higher on our rubric for email security gateways: 8.7 against 8.2 out of 10; our editors rank them #6 and #11.
On deployment model, FortiMail Email Security gives you Hybrid where Mimecast Secure Email Gateway offers Cloud.
Mimecast Secure Email Gateway is the better fit for mature all-around email protection. FortiMail Email Security is the better fit for fortinet-centered security environments.
- Mimecast Secure Email Gateway fits best
Mature all-around email protection
- FortiMail Email Security fits best
Fortinet-centered security environments
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
Side by side
| Feature | Mimecast Secure Email Gateway 8.7/10 Visit ↗ | FortiMail Email Security 8.2/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 8.7 | 8.2 |
| Ranking | #6 in Email Security Gateways | #11 in Email Security Gateways |
| Best for | Mature all-around email protection | Fortinet-centered security environments |
| Pricing model | Paid | Paid |
| Starting price | — | Pricing on request |
| Free plan | — | Not checked yet |
| Free trial | — | — |
| Deployment | Cloud | Self-hosted |
| Integrations | 5 integrations | 6 integrations |
| Features Mimecast Secure Email Gateway 5/5 · FortiMail Email Security 5/5 | ||
| Outbound filtering | ✓ | ✓ |
| Impersonation protection | ✓ | ✓ |
| Malware sandboxing | ✓ | ✓ |
| Microsoft 365 support | ✓ | ✓ |
| Google Workspace support | ✓ | ✓ |
| Specs | ||
| Deployment model | Cloud | Hybrid |
| Our review | ||
| Pros |
|
|
| Cons |
|
|
| Our verdict | Mimecast Secure Email Gateway is a cloud-based email security service for organizations using Microsoft 365, Google Workspace, on-premises, or hybrid email environments. It inspects inbound, outbound, and internal messages with layered… Read the review → |
FortiMail Email Security is Fortinet’s email protection platform for organizations managing inbound and outbound email threats across on-premises, cloud, or hybrid environments. It combines malware and spam protection with impersonation… Read the review → |
Strengths and trade-offs
Mimecast Secure Email Gateway — where it wins
- Scans inbound, outbound, and internal email
- Combines BEC protection, sandboxing, URL analysis, and DLP
- Integrates with Microsoft 365, Google Workspace, and security platforms
Where it doesn't
- Pricing requires contact with sales
- No free plan is offered
- Its broad control set may exceed simpler email-security needs
FortiMail Email Security — where it wins
- Protects inbound and outbound email against malware, spam, and impersonation
- Combines DLP, encryption, sandboxing, clawback, quarantine, and reporting
- Integrates with Microsoft 365, Google Workspace, and Fortinet Security Fabric
Where it doesn't
- Pricing requires contact with sales
- The broad feature set may exceed narrower email security needs
- Some deployment options require alignment with Fortinet infrastructure
- Mimecast Secure Email Gateway8.7/10 · Pricing on request
A broad email security gateway for organizations needing layered protection and policy control.
Visit MimecastFull verdict → - FortiMail Email Security8.2/10 · Pricing on request
A broad email security platform suited to Fortinet-centered hybrid environments.
Visit FortinetFull verdict →
More comparisons
- Sublime Security vs Mimecast Secure Email Gateway
- Sophos Email vs Mimecast Secure Email Gateway
- Cloudflare Email Security vs Mimecast Secure Email Gateway
- Darktrace / EMAIL vs Mimecast Secure Email Gateway
- Check Point Email Security vs Mimecast Secure Email Gateway
- Mimecast Secure Email Gateway vs Libraesva Email Security
- Mimecast Secure Email Gateway vs Abnormal Email Security
All email security gateways comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update








