Guardian Digital EnGarde Cloud Email Security Alternatives (January 2026)

Makes Email Safe For Business: Microsoft 365, Google Workspace.

Guardian Digital has developed unparalleled AI-powered business cloud email security services. Secure your business emails and stay threat-ready today.

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Comprehensive Email Security for Microsoft 365 & Google Workspace

https://www.greathor

.com/

GreatHorn is an API, cloud-native email security solution that mitigates the risk of business email compromise across Microsoft 365 and Google Workspace.

Material Security | Cloud Email Security for Microsoft 365 and Google Workspace

https://materia

.security/

Material is a multi-layered detection and response toolkit for email. It stops sophisticated email-based attacks and contains the blast radius of compromised accounts.

Trustifi: Email Security Solutions With AI-Powered Protection

https://trustif

.com/

Award-winning cloud-based email security platform prevents phishing, malware, spoofing, and BEC, from reaching a user’s mailbox. See the Trustifi Difference.

Advanced Cloud Email Security and Protection - MX Layer

https://www.mxlaye

.com/

MX Layer provides cutting-edge cloud-based solutions for email security, business continuity, data loss prevention, and email archiving services.

Email Security Solutions For Cloud-Based and On Premise Protection

https://www.virco

.com/

Boost your email security with Proofpoint Essentials and OnDMARC; protect your business against phishing, ransomware, and fraud.

AI-powered email security | xorlab

https://www.xorla

.com/

Stop advanced email threats and optimize security operations with AI-powered email security that adapts to your organization. Available for on-premise and Microsoft 365.

Email Security Solutions | Ransomware, Phishing & More | Cloud-Based |

https://contentcatche

.com/

Email Security, Archiving, Encryption, & Awareness Training. Compatible with Office 365. Virus, Phishing, Ransomware & Malware Protection.

Libraesva Email Security, Email Archiving, Phishing Awareness, DMARC - Libraesva

https://www.libraesv

.com/

Exceptional Email Security, Email Archiving and Phishing Awareness. Libraesva stops Zero-Day Email Attacks, integrating with M365 and Google

Email Security | Encrypted Email Service

https://www.mailprotecto

.com/

Mailprotector has the complete email security products your users need to cover all three comprehensive pillars: email security, encryption, and privacy.