The Top 10 Email Encryption Platforms

Trustifi Outbound Shield is a cloud-based email encryption platform that offers secure end-to-end encryption for all email platforms to protect organizations from email threats and ensure data protection compliance.

How it works: Trustifi is deployed to Outlook and Gmail via API integration. Trustifi enables secure end-to-end AES-256 bit encryption.

Who it’s for: We recommend Trustifi for Managed Service Providers (MSPs), resellers, and end-clients needing a cost-effective, user-friendly, and compliant email encryption solution.

What we like: Trustifi’s seamless integration with existing email platforms and its one-click encryption feature make it easy to use. The robust data loss prevention and tracking capabilities are also standout features.

• Trustifi enables ‘one-click’ compliance. Senders can send encrypted emails in just on click, and recipients can securely access encrypted email via two-factor authentication, without needing to create an account.
• Administrators can easily set the platform to auto-comply with over 10 regulatory compliance guidelines with a single click. This includes DLP, with sensitive data such as credit card information automatically encrypted.
• End users can track when emails have been delivered and read. They can also revoke access to encrypted emails and edit information.
• The platform is easy to use – encrypted emails can be read within the standard mail client.

The bottom line: Trustifi is a comprehensive and easy-to-use solution to drive down instances of data loss, thanks to effective encryption. This solution is well suited for MSP use thanks to its comprehensive dashboard and easy deployment.

• Trustifi is a private company headquartered in Las Vegas, serving clients worldwide.

TitanHQ’s SpamTitan service is a secure email gateway that protects against spam, malware, and phishing threats. It’s sold as a bundle with EncryptTitan, a cloud-based email encryption solution.

How it works: EncryptTitan is cloud-based and uses secure, compliant AES 256-Bit encryption with SHA256 Hashing Storage to secure enterprise email.

Who it’s for: Ideal for small to mid-sized teams and MSPs that need to secure sensitive email content to meet compliance requirements, while ensuring a simple user experience.

What we like: EncryptTitan is very easy to use, for both senders and recipients. Users can easily register, login and write secure messages in the EncryptTitan portal.

• Supports policy-based keyword encryption, an Outlook plugin for seamless client-side encryption, and automatic policy-based DLP for sensitive data.
• Easy end user encryption processes, with additional features like recall email, read receipts, and complete audit tracking for sent messages.
• Bundled with SpamTitan for powerful inbound email filtering and protection against spam, malware, and phishing in a cost-effective platform.
• TitanHQ also offers a full suite of email, web, and phishing protection solutions for enhanced security controls, which can be integrated with this solution.

The bottom line: EncryptTitan offers an easy-to-use and fully featured encryption solution. It’s a great fit for small and midsize teams looking to secure sensitive email content for compliance, without compromising the user experience.

• TitanHQ, headquartered in Galway, Ireland, serves over 8,500 customers worldwide.

Egress Protect is an enterprise-grade encryption platform, used by governments, MSPs, and businesses to secure email delivery.

How it works: Egress uses AES-256 bit encryption to provide message-level protection via an on-premises, cloud, or hybrid solution. It integrates with M365 via API. Alongside Protect, Egress also offer Egress Defend (a phishing protection solution) and Prevent, a DLP solution.

Who it’s for: Egress is best suited for organizations of all sizes using Microsoft 365 that need a secure and compliant email encryption solution.

What we like: Egress delivers robust encryption features and easy integration with M365, which simplifies regulatory compliance and data security. The platform is also is easy to use for both senders and recipients.

• Users can enable read-only access, revoke access to encrypted emails, disable attachment downloads, and restrict forwarding to enhance security.
• Users can send and receive large attachments using the encrypted service and add watermarks to sensitive documents.
• Recipients can use various authentication methods, including Egress credentials, biometrics, and Microsoft/Google ID to access emails.
• In addition to encryption, Egress also provides protection against misaddressed emails and attachments, warning users if they are about to accidentally cause a data breach.

The bottom line: Egress is a top email encryption solution for M365 users. The Egress M365 add-in sits seamlessly in users’ email environments, so they receive enhanced email security with no added hassle. Egress helps organizations remain fully compliant with data regulations such as HIPAA.

• Egress was acquired by market leading security awareness training provider KnowBe4 in July 2024.

Cisco Secure Email Encryption Service offers a secure, adaptable email encryption solution integrated into common email platforms to safeguard sensitive data.

How it works: Cisco uses a secure web portal to allow recipients to access encrypted email messages. Admins can set policies to automatically encrypt emails, or end users can do so manually.

Who it’s for: Ideal for businesses that prioritize email security and need comprehensive control over email interactions without complicating the user experience.

What we like: This service excels in its user-friendly interface, detailed control options, and robust encryption technology.

• End users can easily encrypt, recall, and set expiration dates for emails directly through their email client.
• Utilizes reliable encryption algorithms ensuring data privacy and security.
• Provides admins with features like email forwarding, reply restrictions, and real-time read receipts.
• Admins receive detailed reports on the utilization of these email controls.

The bottom line: Cisco offers a safe and trusted email encryption tool with a wide range of customizable features and policies on offer. Admin’s get access to reports, detailing when these controls are being used. Customers like this service for the range of end user controls on offer.

• Cisco Systems, headquartered in San Jose, California, is a global leader in IT and networking with millions of customers worldwide.

Echoworx is a comprehensive email encryption platform known for it’s flexibility, high quality auditing, and ease of use.

How it works: Echoworx offer eight different methods of encryption, including end-to-end encryption, Secure PDF, and a secure web portal for easy access to secure emails.

Who its for: This solution is best suited for mid-market to enterprise organizations needing diverse encryption methods and robust authentication options for secure communication.

What we like: Echoworx is flexible, easy to use, and offers a comprehensive feature stack. It’s easy to manage and supports multiple authentication methods and over 28 languages.

• Echoworx offers eight distinct encryption methods, including end-to-end encryption and Secure PDF, to secure emails based on specific needs.
• It supports nine robust authentication methods, including SSO, 2FA, and social login, ensuring secure and convenient access for end users.
• The platform allows administrators to set custom encryption policies for enhanced security and compliance.
• It provides high-quality access and audit reports, giving visibility over who is accessing encrypted emails.

The bottom line: Echoworx offers a comprehensive number of features and policies. Admin’s can set custom policies, which decide which emails must be encrypted. End users can encrypt emails themselves via their existing email client.

• Echoworx is headquartered in Ontario, Canada, and serves a variety of organizations with tailored encryption solutions.

Office 365 Message Encryption is an email encryption solution within the Microsoft 365 suite that allows users to send encrypted emails both internally and externally.

How it works: O365 Message Encryption encrypts email messages and delivers them to internal and external recipients with no additional apps required. Regardless of the recipient’s email provider or app, they will be able to seamlessly access encrypted messages.

Who it’s for: Ideal for organizations utilizing Microsoft 365 that need to secure sensitive email communications, without significant extra cost or complex implementation.

What we like: Microsoft provides a very user-friendly, cost-effective email encryption solution that does not require any complex deployment or management for M365 users.

• Admins can create policies to prevent encrypted emails from being forwarded, enhancing security.
• Allows senders to easily encrypt messages within their typical email client. Recipients can authenticate using a web link and then read the email in their standard email client.
• Easy to deploy within existing Microsoft 365 environments, keeping administrative overhead low.

The bottom line: Microsoft Office Message Encryption is an easy to use, inbuilt feature for organizations already using Microsoft 365. Some organizations may, however, seek stronger protection through implementing a third-party solution.

• Microsoft 365 Message Encryption is available with Microsoft 365 E5 licenses.

Mimecast Secure Messaging is a cloud-based enterprise email encryption service that enables users to send encrypted emails securely. The service is delivered as part of Mimecast’s broader enterprise email security platform.

How it works: Mimecast enables users to send secure encrypted messages directly from Outlook. All emails and attachments are scanned for viruses and checked against DLP policies before being sent. Users access encrypted messages via a secure web portal.

Who it’s for: This solution is ideal for organizations looking to invest in a broader enterprise email security platform that includes a secure email gateway service.

What we like: Mimecast’s integration with existing email clients simplifies the end user experience. The platform also provides admins with comprehensive reports without exposing email content.

• Users can track when an email has been read and enforce restrictions on forwarding and printing.
• Users can revoke access to emails that were sent accidentally, giving added control over content.
• The platform offers encrypted messaging, while ensuring that even admins cannot see the email contents.
• All security features are accessible from within the users’ existing email service for a seamless experience.

The bottom line: Mimecast offer a strong email encryption solution with granular end user features. It’s a trusted and secure platform, so you can send emails without fear of data loss.

• Mimecast is headquartered in Massachusetts, and protects thousands of organizations worldwide.

Paubox Email Suite is an all-in-one email security solution designed to provide HIPAA-compliant encrypted communication and DLP for healthcare organizations.

How it works: Paubox encrypts emails automatically, without needing any additional input from either the sender or recipient of the email, and with no portal and no password required.

Who it’s for: Paubox Email Suite is ideal for healthcare organizations needing an effortless, compliance-friendly email security solution that integrates well with existing email services like Google Workspace and Microsoft 365.

What we like: Paubox integrates seamlessly with business email platforms like Google Workspace and Microsoft 365, making compliance straightforward. Its comprehensive security measures block threats such as phishing, ransomware, and spam.

• Paubox automatically encrypts emails to ensure HIPAA compliance without requiring any additional steps from users.
• It uses advanced filtering methods, including ExecProtect and DomainAge, to prevent phishing, malware, and spam from reaching inboxes.
• A unified admin panel provides easy management of email security settings, quarantined emails, and user access.
• Customizable filters prevent accidental or malicious data leaks by scanning emails for sensitive content.

The bottom line: Paubox is a market leader in HIPAA compliant email, working to provide secure email communication for healthcare organizations via encryption and data loss prevention methods.

• Paubox is headquartered in San Francisco, California and serves a broad range of healthcare customers across the United States.

PreVeil Email Encryption is a highly secure end-to-end encrypted email service, designed for the Defense Industrial Base. It integrates seamlessly into existing email platforms like Outlook, offering unmatched privacy.

Who it’s for: Ideal for organizations requiring the highest level of security for sensitive data, particularly within the Defense Industrial Base and highly regulated industries.

What we like: PreVeil excels in its robust security and compliance with stringent regulations. Its Approval Group technology ensures that no single administrator can compromise the organization.

• Breaches are inevitable, but PreVeil uses NSA-recommended Zero Trust Security, ensuring that emails remain secure even if servers or passwords are compromised.
• All emails are protected with end-to-end encryption, allowing only senders and intended recipients to read the messages.
• Enterprises can restrict communication to trusted entities using Trusted Communities Capability, blocking spam, and phishing.
• PreVeil meets stringent regulatory requirements such as SOC-2, GDPR, HIPAA, PCI, NIST 800-171, and CMMC.

The bottom line: PreVeil is a robust and sophisticated solution, putting data security at the heart of everything that it does. The solution ensures that only sender and recipient have access to the content of a communication.

• PreVeil is based in Boston, MA and serves hundreds of enterprises focused on cybersecurity and sensitive data protection.

Virtru is a market leading email and data encryption provider. It enables comprehensive control over their email security and compliance needs.

How It works: Users can encrypt, track, and manage email interactions directly within popular email clients like Gmail and Microsoft Outlook.

Who it’s for: Virtru Email Encryption is suited for SMBs, mid-sized organizations, and large enterprise clients. It’s the top solution email encryption solution Google Workspace and can encrypt email directly from Gmail, including Google Drive documents.

What we like: With Virtru, users can easily read and send encrypted emails directly from their inbox, and admins can set easily set security policies to enforce organization wide.

• Users can revoke access, disable forwarding, and set expiration dates for emails, ensuring sensitive information remains protected.
• Virtru’s one-click plugins for Gmail and Outlook make encrypting emails and attachments straightforward for both senders and recipients.
• Virtru helps organizations comply with regulations such as CMMC, HIPAA, and GDPR.

The bottom line: Virtru offers a secure cloud-based email and data encryption platform, which gives users more control over how their emails are interacted with. The platform offers detailed audit trails and SIEM integrations, showing how and where sensitive data is shared.

• Virtru is a private company headquartered in Washington, D.C., with over 6,70 customers globally.