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Best Secure Email Gateway Software 2026
Every product here is ranked by Samsung Mobile US Press's record score: what its maker publishes about it, where it runs (Android first), whether it is free to try, and how recently the facts were read.
02
Microsoft Defender for Business
AndroidiPhone & iPadWindows+2 Record5.6 Visit
03
Kerio Connect
AndroidiPhone & iPadWeb+5 Record4.9 Visit
04
SpamHero Business Email Security
It suits organizations wanting cloud email filtering, quarantine management, continuity, and Microsoft 365 or Google Workspace support.
WebAPI Record4.8 Visit
05
Libraesva Email Security
WebSelf-hosted Record4.0 Visit
6
Sophos Secure Message
Web — Record4.0 Visit Organizations seeking cloud email threat defense, encryption, data-loss prevention, and user-awareness capabilities.
8
Symantec IT Management Suite
WindowsMacLinux+2 — Record3.9 Visit It is aimed at IT teams managing endpoint and server deployment, patching, assets, and policies across complex environments.
9
Mailinblack Protect
WebAPISelf-hosted — Record3.7 Visit Protect is aimed at companies, public administrations, and healthcare institutions seeking email threat filtering.
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