Microsoft Defender for Business
by Microsoft Defender for Business Free trial AndroidiPhone & iPadWindowsMacAPI
- Home
- Security & Privacy
- Cloud Email Security
Best Cloud Email Security 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
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
03
Mailprotector
Mailprotector is for managed service providers seeking email security products for client environments.
WebAPI Record4.7 Visit
04
Cisco Catalyst Center
WebWindowsMac+3 Record4.2 Visit
05
Sophos Secure Message
Organizations seeking cloud email threat defense, encryption, data-loss prevention, and user-awareness capabilities.
Web Record4.0 Visit
6
Darktrace / EMAIL
WebAPI — Record3.7 Visit It is intended for security teams protecting organizations against email and collaboration threats while reducing SOC investigations.
7
MailChannels Inbound Filtering
WebAPI — Record3.7 Visit It suits hosting providers that operate email at scale and need filtering across multiple customer domains.
8
Mailinblack Protect
WebAPISelf-hosted — Record3.7 Visit Protect is aimed at companies, public administrations, and healthcare institutions seeking email threat filtering.
More in Security & Privacy
Antivirus software 119Authenticator apps 111Parental control apps 107Password Managers 104Business VPN Software 93VPN services 88Internet Filtering Software 65Passkey Authentication Software 55Identity Verification Software 52Multi-Factor Authentication Software 52Ad blockers 48Biometric Authentication Software 45Antivirus for Mac 43Encrypted Messaging Apps 43Free VPN Services 43Spam Call Blocking Apps 41Temporary Email Services 33Photo Vault Apps 32