Proofpoint Essentials is an all-in-one email security solution that provides organizations with enterprise-grade email security, encryption and archiving in one complete solution. Proofpoint Essentials email encryption allows organizations to automatically encrypt sensitive emails, hoping to reduce the risk of data loss. Proofpoint offer policy-driven data loss prevention, which automatically identifies and encrypts sensitive information sent via email.

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The Top 10 Email Encryption Platforms
Discover the top Email Encryption platforms. Examine their features, security and reporting.
Expert Insights / May 27, 2020 By Joel WittsEmail Encryption is a vital tool for businesses to ensure that their email communications are safe. Email is not a secure method of communication and it’s possible to expose the content of emails, putting confidential information and data at risk. Consequently, businesses need to encrypt sensitive emails and attachments.
Encrypting emails is often compulsory be for legal or regulatory reasons. It’s also often the case that a business has the information it wants to be kept out of public view. Email Encryption software allow businesses to secure emails, making sure they are accessed only by the intended recipient and giving end users more security controls.
We’ll be looking at the methods of encryption these products offer, the controls they provide to IT admins, their ease of use for senders and recipients and the quality of reporting they offer.
The Best Secure Email Encryption Software Includes:
- Proofpoint Essentials Email Encryption, Cisco Registered Envelope Service, DeliverySlip, Echoworx OneWorld Encryption Platform, Egress Email Encryption, Microsoft’s Office Message Encryption, Mimecast Secure Messaging, PreVeil Email Encryption, Virtru Email Encryption, ZixEncrypt
Proofpoint Essentials Email Encryption
Proofpoint Essentials allows IT teams to create filters that automatically identify outbound emails that should be encrypted. End users can also manually encrypt emails they are sending, to ensure that their emails are secure if needed, with an Outlook plug-in for PC users. Recipients can read encrypted emails using the Proofpoint secure web portal, from where they can also reply with a fully encrypted response. Proofpoint’s policy is that after 15 days, encrypted emails are automatically deleted. The maximum email size is 35MB. Proofpoint offers pre-defined encryption polices for different sectors, including healthcare & finance.
As part of a full suite of email security solutions, Essentials is a good option for organizations that are looking for email security and occasional use of encryption in one easy to manage platform.
Proofpoint Essentials Advanced Pricing
5 user business pack = $225 / year
6-24 users = $45 / user / year
25+ users = request a quote
Cisco Registered Envelope Service
Cisco offers a safe and trusted email encryption tool with a wide range of customisable features and policies on offer. The encryption method used here is a secure web portal. Admins can set policies to automatically encrypt emails, or end users can do so manually. The major strength of this service is the range of features it offers to end users. They can recall emails, expire access to emails and receive receipts when an email has been opened.
Cisco allows users to control the ability of end users to forward and reply to emails. These controls are available with the users’ normal email client, making them easy to use. 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 Registered Envelope Service Pricing
Pricing is supplied via a quotation request.
DeliverySlip
DeliverySlip delivers secure encrypted email messaging, designed for use with Office 365 & G-Suite. DeliverySlip allows users to easily send secure, encrypted emails and attachments with end user controls. This helps to prevent data loss, making sending confidential information over email far more secure, and puts users in control of their email sending. Users can send attachments of any size from Google Drive, OneDrive or their local drive, with no inbox size restrictions.
DeliverySlip provides an advanced control panel for end users to manage their encrypted emails. With DeliverySlip, users can track when a message has been received, read, replied to or forwarded. End users can also recall messages, even after they have been opened, and can control whether emails can be replied to, or forwarded or maximum security, users can set passwords for emails, to ensure that only the intended recipient can open them. Policy based encryption can be implemented using content control policies in Office 365 and G-Suite. Outside of security features, users can also request and provide secure signatures, to allow for secure contract and NDA signings over email. Apps are available for iPhone and Android users.
It’s a good option for small teams needing an encryption solution to send out medical or other confidential information, with a range of end user controls. DeliverySlip has a smart user interface, is quick to install and can be implemented by non-technical users.
DeliverySlip Pricing
1-9 users = $96 / user / year
10-24 users = $80 / user / year
25+ users = request a quote
Echoworx OneWorld Encryption Platform
Echoworx is a premium encryption platform offering six different types of email encryption. This includes a secure web portal, which allows end users to log in to send and receive secure emails. It also includes end to end encryption and Secure PDF encryption. This involves sending emails as PDF document which cannot be opened by anyone but the intended recipient. 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 provide high-quality access and audit reports, so you have visibility over who is accessing encrypted email. They also provide additional features such as large file encryption.
Echoworx offers a huge amount of features and policies. It’s biggest strength is that despite these complex features, the service is still easy to install, manage and actually use. We’d recommend this service to organisations looking for multiple encryption methods to secure their communications.
Echoworx OneWorld Pricing
Pricing is supplied via a quotation request.
Egress Email Encryption
Egress provide email encryption and security solutions. They offer three email security solutions, Egress Prevent, Protect and Investigate. Egress Protect provides enterprise-grade encryption, used by governements and industries to secure email delivery.
Egress uses AES-256 bit encryption to provide message-level protection via an on-premise, cloud ora hybrid solution, while comprehensive permissions include read-only access, disabled attachment downloads, and restricted forwarding. Egress is best suited to Office 365 envioronments.
Egress provides full audit logs and allow end users to revoke access to delivered emails, helping to prevent security breaches. The service makes it easy for Office 365 users to encrypt emails and send and recieve encyrpted large files without leaving their email inbox. Users are also able to add watermarks with the recipient’s email address and restrict printing to prevent data leakage.
In addition to encryption, Egress also provides protection against misaddressed emails and attachments, warning users if they are about to accidentially cause a data breach.
Egress is the top email encryption solution for Office 365 users. The Egress Office 365 add-in sits seamlessly in users’ email environments, so they receive enhanced email security with no added hassle. Egress is fully compliant with data regulations such as HIPAA. The solution is suitable for organizations of all sizes, and customers include large enterprises and governmnet agencies, as well as small businesses.
Egress Pricing
Pricing is supplied via a quotation request.
Mimecast Secure Messaging
Mimecast is a globally leading security vendor for businesses. They offer an encryption service which uses a secure web portal method of encryption. This means users can send encrypted messages via their existing email client, and recipients can log in to a webpage to view them. Mimecast offer a trusted and secure platform, so you can send emails without fear of data loss. They offer a number of features to protect data. This includes giving admins reports, but not actually letting them see the contents of an encrypted email.
Mimecast offer a range of end user controls. This includes being able to see when an email has been read and putting restrictions on forwarding and printing of encrypted emails. End users can also revoke access if an email was sent accidentally. All of these controls are accessible from the users’ existing email service, making them easy to use.
This product is not standalone, but part of Mimecast’s ‘Information Archiving’ and ‘Secure Messaging subscriptions. This means that this is a great encryption option if you are already a Mimecast customer.
Mimecast Pricing
Pricing is supplied via a quotation request.
Microsoft Office Message Encryption
Microsoft’s Office Message Encryption is a new encryption service offered by Microsoft. As you’d expect, it works directly within Outlook on Office 365. Everyone who uses Office 365 will be able to send and receive secure email seamlessly. Users using clients like Gmail can view encrypted emails in a secure web portal.
Microsoft Office Message Encryption is easy to use within O365. It offers some useful features; users can send secure email both internally and externally very easily. It’s also very cheap and easy to implement. Admins can create custom policies, so that end users can stop encrypted emails from being forwarded. There are a few features missing, however, such as attachment encryption. There is also no reporting currently offered, but this is being added.
Microsoft’s product is new, and the lack of features reflects that. It’s very cost-effective and easy to implement however, and should improve over time. We’d recommend this service if you need the most basic level of encryption.
Microsoft Office Message Encryption Pricing
To use Office 365 Message Encryption, purchase Office 365 E3
PreVeil Email Encryption
PreVeil Email Encryption is an end-to-end encrypted email service for the Defense Industrial Base. It has a higher level of security compared to the other products listed on this page. PreVeil is built on highly secure encryption standards, and adds an encrypted mailbox to Outlook inboxes, without changing your exisiting email address. With PreVeil, no one but the sender and recipient can ever see the message. If hackers attack the server, all they get is gibberish.
PreVeil’s enteprise encyrptions solution allows IT administrators to create, modify, and delete users and groups, as well as set organization-wide data and recovery policies. Device management controls let admins disable lost or stolen devices quickly. PreVeil’s Approval Group technology allows privileged activities only after cryptographic approval from a set of predetermined administrators or leaders. No single administrator can compromise an entire organization, for example by exporting messages or files, without authorization from others. PreVeil is a highly secure encryption platform, and is fully compliant with stringent information governance requirements such as SOC-2, GDPR, HIPAA, PCI, NIST 800-171, and CMMC. It’s suitable for organizations needing the most secure encyrption standards to protect highly sensitive data. End‐to‐end encrypted email and file sharing service for the Defense Industrial Base. PreVeil Email & Drive For Gov Community = $360 user / yearPreVeil Pricing
Virtru Email Encryption
Virtru offers a secure cloud-based email and data encryption platform, which gives users more control over how their emails are interacted with. Virtru encrypted email can be opened directly within the email client, and are encrypted end-to-end. 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. Virtru is the top encryption solution for GSuite, allowing users to encrypt email directly from Gmail, and encrypting Google Drive documents.
Virtru allows end users to encrypt emails directly from their email client. From here, they can also see who has opened emails they’ve sent, revoke access to email they have sent, control email forwarding, and even add watermarks to encrypted attachments. Virtru deploys quickly, and gives admins the ability to see where emails and files are being shared. Admins can also set, enforce and configure security policies across the enterprise from the admin dashboard.
Virtru is built for enterprise users, with a feature set designed for mid-sized to larger organizations rather than very small organizations. Virtru’s enterprise features include the ability to choose to host your encryption keys to meet data protection, privacy or data location requirements.
Virtru Pricing
1-9 users = $699 annual platform fee plus $60 / user / year
10-99 users = $1,999 annual platform fee plus $60 / user / year
100+ users = request a quote
ZixEncrypt
ZixEncrypt offers policy-based email encryption which streamlines the process for end users. Admins set custom policies based on certain keywords, or departments. ZixEncrypt encrypts emails which come under these policies automatically. This simplifies the process for end users, as they don’t need to manually encrypt emails. Encryption works via a secure web portal, secure PDF encryption, or end to end encryption. The platform offers a ‘Best Method of Delivery’ feature, which automatically choses the best of these methods to send the encrypted email.
Zix implements content filters, which automatically encrypts emails. This to send an encrypted email, users simply create a message and hit ‘send’. To open the encrypted email, receipients simply open the encrypted email like regular email.
Zix is a trusted, global security provider, with good levels of customer support. Zix offers pre-defined encryption polices for different sectors, including healthcare, finance, public sector and education.
ZixEncrypt Pricing
Pricing is supplied via a quotation request.