Best Email Security Gateways in 2026
Updated
In short: IRONSCALES Email Protect is ranked #1 of 25 as of 4 October 2026, ahead of Sublime Security and Abnormal Email Security. The best-ranked option with a free plan is Mailprotector. The lowest first paid tier on this page is SpamHero Business Email Security at $5/mo.
Email security gateways help organizations evaluate protection and filtering for their mail environments. Compared on deployment model and support for Google Workspace and Microsoft 365, the entries offer compatibility details to check against your setup. Impersonation protection, malware sandboxing, and outbound filtering describe additional security capabilities; free-plan availability and paid-from pricing add cost context. Check Point Harmony SASE, IRONSCALES Email Protect, and VM Backup are among the named options, alongside Mailprotector and Mimecast Data Leak Prevention. Consider which mail platforms you need to cover, then compare the stated protections and deployment details to the requirements of your email environment.
25 email security gateways ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
Recognised 40% · Phone app 26% · Documented 20% · Free plan 14% of the score
- 1 IRONSCALES Email Protect iPhone + Android RecognisedPhone appDocumentedFree plan 8.2 Outbound filtering: NoImpersonation protection: YesMalware sandboxing: Yes
- 2 Sublime Security No phone app RecognisedPhone appDocumentedFree plan 7.4 Outbound filtering: YesImpersonation protection: YesMalware sandboxing: Yes
- 3 Abnormal Email Security No phone app RecognisedPhone appDocumentedFree plan 7.3 Outbound filtering: YesImpersonation protection: Yes
- 4 Cloudflare Email Security No phone app RecognisedPhone appDocumentedFree plan 7.2 Outbound filtering: YesImpersonation protection: YesMalware sandboxing: Yes
- 5 Darktrace / EMAIL No phone app RecognisedPhone appDocumentedFree plan 7.2 Outbound filtering: YesImpersonation protection: YesMalware sandboxing: Yes
- 6 Libraesva Email Security No phone app RecognisedPhone appDocumentedFree plan 7.2 Outbound filtering: YesImpersonation protection: YesMalware sandboxing: Yes
- 7 Mailprotector No phone app RecognisedPhone appDocumentedFree plan 7.1Free Outbound filtering: YesImpersonation protection: Yes
- 8 INKY Email Security No phone app RecognisedPhone appDocumentedFree plan 6.8 Outbound filtering: YesImpersonation protection: Yes
- 9 FortiMail Email Security No phone app RecognisedPhone appDocumentedFree plan 6.8 Outbound filtering: YesImpersonation protection: YesMalware sandboxing: Yes
- 10 SpamTitan Gateway No phone app RecognisedPhone appDocumentedFree plan 6.6 Outbound filtering: YesImpersonation protection: YesMalware sandboxing: Yes
- 11 Perception Point Advanced Email Security No phone app RecognisedPhone appDocumentedFree plan 6.5 Outbound filtering: YesImpersonation protection: Yes
- 12 Xeams No phone app RecognisedPhone appDocumentedFree plan 6.4 Outbound filtering: YesMalware sandboxing: Yes
- 13 MailScanner No phone app RecognisedPhone appDocumentedFree plan 6.2Free
- 14 N-able Mail Assure No phone app RecognisedPhone appDocumentedFree plan 6.0 Outbound filtering: YesImpersonation protection: Yes
- 15 Proxmox Mail Gateway No phone app RecognisedPhone appDocumentedFree plan 6.0€15.83/mo Outbound filtering: Yes
- 16 SpamHero Business Email Security No phone app RecognisedPhone appDocumentedFree plan 5.9$5/mo Outbound filtering: YesImpersonation protection: Yes
- 17 Rspamd No phone app RecognisedPhone appDocumentedFree plan 5.8 Outbound filtering: YesImpersonation protection: Yes
- 18 Hermes Secure Email Gateway No phone app RecognisedPhone appDocumentedFree plan 5.6 Outbound filtering: YesMalware sandboxing: No
- 19 GFI MailEssentials No phone app RecognisedPhone appDocumentedFree plan 5.5 Outbound filtering: Yes
- 20 EuropeanMX No phone app RecognisedPhone appDocumentedFree plan 5.5 Outbound filtering: Yes
- 21 Paubox Email Encryption No phone app RecognisedPhone appDocumentedFree plan 5.5$29/mo
- 22 Scrollout F1 No phone app RecognisedPhone appDocumentedFree plan 5.2 Impersonation protection: Yes
- 23 Cisco Catalyst Center No phone app RecognisedPhone appDocumentedFree plan 5.2
- 24 Symantec IT Management Suite No phone app RecognisedPhone appDocumentedFree plan 5.1 Outbound filtering: YesImpersonation protection: YesMalware sandboxing: Yes
- 25 Spamihilator No phone app RecognisedPhone appDocumentedFree plan 5.0 Outbound filtering: No
Compare all 25 in a table
| # | App | Score | Free plan | From | Free plan | Paid from | Outbound filtering | Impersonation protection |
|---|---|---|---|---|---|---|---|---|
| 1 | IRONSCALES Email Protect | 8.2 | No | — | No | — | No | Yes |
| 2 | Sublime Security | 7.4 | No | — | Yes | — | Yes | Yes |
| 3 | Abnormal Email Security | 7.3 | No | — | — | — | Yes | Yes |
| 4 | Cloudflare Email Security | 7.2 | No | — | No | — | Yes | Yes |
| 5 | Darktrace / EMAIL | 7.2 | No | — | No | — | Yes | Yes |
| 6 | Libraesva Email Security | 7.2 | No | — | No | — | Yes | Yes |
| 7 | Mailprotector | 7.1 | Free plan | Free | — | — | Yes | Yes |
| 8 | INKY Email Security | 6.8 | No | — | — | — | Yes | Yes |
| 9 | FortiMail Email Security | 6.8 | No | — | — | — | Yes | Yes |
| 10 | SpamTitan Gateway | 6.6 | No | — | No | 1.95 /user/mo | Yes | Yes |
| 11 | Perception Point Advanced Email Security | 6.5 | No | — | — | — | Yes | Yes |
| 12 | Xeams | 6.4 | No | — | Yes | 1.67 /user/mo | Yes | — |
| 13 | MailScanner | 6.2 | Free plan | Free | Yes | — | — | — |
| 14 | N-able Mail Assure | 6.0 | No | — | No | — | Yes | Yes |
| 15 | Proxmox Mail Gateway | 6.0 | No | €15.83/mo | No | — | Yes | — |
| 16 | SpamHero Business Email Security | 5.9 | No | $5/mo | No | — | Yes | Yes |
| 17 | Rspamd | 5.8 | No | — | Yes | — | Yes | Yes |
| 18 | Hermes Secure Email Gateway | 5.6 | No | — | Yes | — | Yes | — |
| 19 | GFI MailEssentials | 5.5 | No | — | No | — | Yes | — |
| 20 | EuropeanMX | 5.5 | No | — | No | — | Yes | — |
| 21 | Paubox Email Encryption | 5.5 | No | $29/mo | No | — | — | — |
| 22 | Scrollout F1 | 5.2 | No | — | Yes | — | — | Yes |
| 23 | Cisco Catalyst Center | 5.2 | No | — | — | — | — | — |
| 24 | Symantec IT Management Suite | 5.1 | No | — | — | — | Yes | Yes |
| 25 | Spamihilator | 5.0 | No | — | Yes | — | No | — |
Is your app on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which email security gateway is ranked first on Samsung Mobile US Press?
IRONSCALES Email Protect is ranked #1 of 25 with a score of 8.2. Sublime Security is second and Abnormal Email Security third.
How many of these have a free plan?
2 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, SpamHero Business Email Security has the lowest first paid tier we found: $5/mo.
How is this list ranked?
Ranked mobile-first: a phone app alongside the web or desktop product, a free tier and the depth of its documentation. Paid placements never change a rank.