Egress Protect vs Mimecast Comparison: Reviews, Features, Pricing & Alternatives in 2026

Detailed side-by-side comparison to help you choose the right solution for your team

Updated Apr 2026 8 min read

Egress Protect

0.0 (0 reviews)

Egress Protect is an email security solution that uses adaptive machine learning to prevent data loss, encrypt sensitive information, and ensure your outbound communications remain compliant and secure.

Starting at --
Free Trial 0 days
VS

Mimecast

0.0 (0 reviews)

Mimecast provides an advanced cloud-based security platform designed to protect your organization from email-borne threats, data loss, and downtime while ensuring continuous communication and simplified compliance management.

Starting at --
Free Trial 30 days

Quick Comparison

Feature Egress Protect Mimecast
Website egress.com mimecast.com
Pricing Model Custom Custom
Starting Price Custom Pricing Custom Pricing
FREE Trial ✓ 0 days free trial ✓ 30 days free trial
Free Plan ✘ No free plan ✘ No free plan
Product Demo ✓ Request demo here ✓ Request demo here
Deployment saas mobile desktop saas mobile
Integrations Microsoft Outlook Microsoft 365 Gmail Salesforce Azure Active Directory Mobile iOS Mobile Android Microsoft 365 Google Workspace Salesforce Splunk ServiceNow Okta CrowdStrike Palo Alto Networks Rapid7 Microsoft Sentinel
Target Users mid-market enterprise mid-market enterprise
Target Industries legal healthcare government
Customer Count 0 0
Founded Year 2007 2003
Headquarters London, UK London, UK

Overview

E

Egress Protect

Egress Protect helps you eliminate the risk of accidental data leaks and deliberate threats in your outbound emails. Instead of relying on static rules, you get an intelligent system that learns your communication patterns to spot when you've added the wrong recipient or attached the incorrect file. It acts as a safety net that catches human errors before they turn into costly data breaches.

You can easily encrypt sensitive messages and large file attachments directly within your existing Outlook or Microsoft 365 workflow. The platform also gives you total control over your data after it's sent, allowing you to revoke access, see who opened your files, and set expiration dates. It simplifies compliance with regulations like GDPR and HIPAA while keeping the experience smooth for both you and your recipients.

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Mimecast

Mimecast is a comprehensive email security and management platform that protects your business from sophisticated cyberattacks. You can defend your inbox against phishing, ransomware, and impersonation attempts using its AI-powered threat intelligence. Beyond just blocking threats, the platform ensures your email remains functional even during server outages, allowing you to maintain business continuity without interruption.

You can also use the platform to automate data retention and compliance. It provides a centralized cloud archive where you can securely store, search, and retrieve historical communications for legal or regulatory needs. Whether you are a mid-sized company or a global enterprise, the software integrates with your existing Microsoft 365 or Google Workspace environment to create a more resilient digital workplace.

Overview

E

Egress Protect Features

  • Intelligent DLP Prevent data leaks by catching incorrect recipients or wrong attachments in real-time before you hit send.
  • One-Click Encryption Secure your sensitive emails and large files with government-grade encryption directly from your Outlook ribbon.
  • Message Revocation Take back control of sent emails by instantly revoking access to messages sent in error.
  • Access Tracking Monitor your data with real-time audits that show you exactly when and where recipients opened your files.
  • Large File Transfer Send massive files securely without hitting mailbox limits or relying on unsecure third-party sharing sites.
  • Adaptive User Prompts Receive helpful alerts when the system detects unusual behavior, helping you make safer choices without slowing down.
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Mimecast Features

  • Email Security Cloud Gateway. Block malicious attachments and URLs before they reach your network using deep content inspection and real-time threat intelligence.
  • Internal Email Protect. Detect and remediate threats originating from within your organization to stop the lateral spread of malware or phishing.
  • Mailbox Continuity. Keep your employees sending and receiving emails during a primary mail server outage with an automated failover system.
  • Cloud Archive. Store all your business communications in a secure, encrypted repository that allows you to perform lightning-fast searches for e-discovery.
  • Awareness Training. Reduce human error by launching engaging security videos and phishing simulations to educate your staff on modern cyber risks.
  • DMARC Analyzer. Protect your brand reputation by preventing unauthorized parties from sending fraudulent emails using your company's domain name.

Pricing Comparison

E

Egress Protect Pricing

M

Mimecast Pricing

Pros & Cons

M

Egress Protect

Pros

  • Integrates smoothly with Microsoft Outlook and Office 365
  • Simplifies sending large encrypted files without extra steps
  • Reduces human error through helpful real-time warning prompts
  • Provides clear audit trails for compliance and data tracking

Cons

  • External recipients sometimes find the login process cumbersome
  • Occasional performance lag when scanning very large attachments
  • Custom pricing makes it difficult for small teams to budget
A

Mimecast

Pros

  • Highly effective at blocking sophisticated phishing and impersonation attacks
  • Seamless integration with Microsoft 365 and Google Workspace environments
  • Reliable email continuity ensures zero downtime during server maintenance
  • Powerful search capabilities within the cloud archiving feature
  • Granular policy controls allow for highly customized security rules

Cons

  • Initial configuration and setup can be complex for beginners
  • The administrative interface has a steep learning curve
  • Pricing is generally higher than basic built-in security tools
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