Best Email Security Gateways in 2026
Updated
31 email security gateways ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
31ranked
0free plans on this page
$29/molowest paid tier
4 Oct 2026last checked
0 of the 6 here have a free tier you can use, 0 have open-source code on record, and 0 have full bars: free, open, on most of your devices and documented.
| # | App | Signal | Free tier | Open code | Devices | From | Score |
|---|---|---|---|---|---|---|---|
| 26 | SpamTitan GatewayWeb · Self-hosted | One bar | — | — | 1 of 6 | — | 5.0 |
| 27 | Cloudflare Email SecurityWeb | One bar | — | — | 1 of 6 | — | 4.9 |
| 28 | Paubox Email EncryptionWeb | One bar | — | — | 1 of 6 | $29/mo | 4.9 |
| 29 | EuropeanMXWeb | No signal | — | — | 1 of 6 | — | 4.8 |
| 30 | N-able Mail AssureWeb | No signal | — | — | 1 of 6 | — | 4.8 |
| 31 | GFI MailEssentialsWindows | No signal | — | — | 1 of 6 | — | 4.7 |
