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🔧 Mimecast Secure Messaging

Mimecast Secure Messaging

Share sensitive information with confidence.

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Overview

Mimecast Secure Messaging is a component of Mimecast's comprehensive email security platform. It allows users to send encrypted messages and files from their regular email client. The service is policy-driven, automatically encrypting emails based on content, or can be user-initiated. Recipients access messages through a secure web portal, which also allows them to reply securely.

✨ Key Features

  • Policy-driven and user-initiated encryption
  • Secure web portal for recipients
  • Message expiration and access controls
  • Read receipts and audit trails
  • Large file send (up to 2 GB)
  • Integration with Mimecast's broader security suite (DLP, Archiving)

🎯 Key Differentiators

  • Fully integrated into a single cloud platform (MimeOS)
  • Strong focus on email continuity and archiving in addition to security
  • 100% service availability SLA

Unique Value: Mimecast provides a fully integrated, highly resilient platform that combines email encryption with advanced threat protection, archiving, and continuity, simplifying email management for IT.

🎯 Use Cases (4)

Securely sharing confidential business documents Meeting compliance requirements for data in transit (e.g., HIPAA, GDPR) Protecting attorney-client communications Sending large files that exceed standard email limits

✅ Best For

  • Financial services firms sharing client data with external auditors
  • Healthcare providers sending patient records to specialists
  • Corporations transmitting M&A documents

💡 Check With Vendor

Verify these considerations match your specific requirements:

  • Individuals or small teams who do not need a full email security suite

🏆 Alternatives

Proofpoint Barracuda Zix Microsoft 365

Unlike point solutions for encryption, Mimecast offers a single vendor and administrative console for managing all aspects of email security and lifecycle, reducing complexity.

💻 Platforms

Cloud Gateway (SaaS) Desktop (Outlook Plugin)

🔌 Integrations

Microsoft 365 Google Workspace Microsoft Exchange Mimecast Email Security Suite

🛟 Support Options

  • ✓ Email Support
  • ✓ Phone Support
  • ✓ Dedicated Support (Varies by plan tier)

🔒 Compliance & Security

✓ SOC 2 ✓ HIPAA ✓ BAA Available ✓ GDPR ✓ ISO 27001 ✓ SSO ✓ FedRAMP ✓ PCI-DSS

💰 Pricing

Contact for pricing

✓ 14-day free trial

Visit Mimecast Secure Messaging Website →