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What is OpenText Core Email Threat Protection?

OpenText Core Email Threat Protection is engineered to defend organizations from increasingly sophisticated email threats by applying multi-layered security across inbound, outbound, and internal communications. The platform scrutinizes every message with advanced link rewriting, real-time click-time scanning, and sandboxing of attachments to prevent malware, ransomware, and phishing attempts from reaching users. Its AI-driven impersonation detection identifies forged domains, spoofed executives, and display name manipulation, shutting down social engineering tactics before they succeed. Message retraction capabilities allow administrators to pull malicious emails out of Microsoft 365 inboxes even after delivery, providing an essential safety net. Internal email filtering helps thwart lateral phishing and early-stage BEC attacks that often bypass traditional security tools. Outbound protection ensures compliance, prevents data exfiltration, and safeguards organizational reputation. With a streamlined deployment process and user-friendly management console, organizations can strengthen their defenses without adding operational burden. Flexible architecture and mobile visibility support modern, distributed workforces that depend heavily on email. Backed by more than 35 years of data management and security expertise, OpenText delivers a trusted, evidence-based approach to protecting communication channels. Together, these capabilities create a powerful, adaptive email security framework that helps organizations stay secure, productive, and resilient.

What is Guardian Digital?

Guardian Digital offers robust protection against various email threats, including phishing scams, zero-day vulnerabilities, and debilitating ransomware assaults. These dangers represent just a fraction of the numerous risks that email users encounter daily. Given that over 90% of cyber attacks begin with an email, securing email is fundamentally a matter of business security. An effective, purpose-driven solution is essential for safeguarding email communications. It effectively addresses significant security vulnerabilities found in platforms like Microsoft 365 and Google Workspace. In addition, it offers remote assistance, expert installation, and continuous management from a distance. Furthermore, we deliver real-time insights into cybersecurity for businesses, enabling you to evaluate your existing risk profile and bolster your defenses against the pervasive threats that all organizations face through email interactions. Ultimately, our comprehensive approach ensures that your email security is not only reactive but also proactive in minimizing potential threats.

Media

Media

Integrations Supported

Gmail
Google Workspace
Microsoft 365
Microsoft Exchange
OpenText Core Email Encryption

Integrations Supported

Gmail
Google Workspace
Microsoft 365
Microsoft Exchange
OpenText Core Email Encryption

API Availability

Has API

API Availability

Has API

Pricing Information

Pricing not provided.
Free Trial Offered?
Free Version

Pricing Information

Monthly & Annual Subscriptions
Free Trial Offered?
Free Version

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Company Facts

Organization Name

OpenText

Date Founded

1991

Company Location

Canada

Company Website

cybersecurity.opentext.com/products/email-security/email-threat-protection/

Company Facts

Organization Name

Guardian Digital

Date Founded

1999

Company Location

United States

Company Website

guardiandigital.com

Categories and Features

Anti-Spam

Allow / Block List
Audit Log
Email Archiving
Email Recovery
Email Routing
Encryption
Fraud Detection
Quarantine
Reporting & Statistics
Spam Filter

Email Security

Anti Spam
Anti Virus
Email Attachment Protection
Encryption
Policy Management
Quarantine
Reporting/Analytics
Whitelisting / Blacklisting

Categories and Features

Email Security

Anti Spam
Anti Virus
Email Attachment Protection
Encryption
Policy Management
Quarantine
Reporting/Analytics
Whitelisting / Blacklisting

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