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Email Encryption Software

Email Encryption Software Overview

What is Email Encryption Software?

Email Encryption Software allows the disguising of content within email messages so that they cannot be read by anyone apart from the intended recipient. Emails are typically encrypted and then decrypted by means of a digital signature mechanism that uses public and private keys. The public key is shared with everyone while the private key is kept private.

Email Encryption Software Features & Capabilities

  • Support for internal and external users

  • Integration with existing email infrastructure

  • Strength of cryptography

  • File security

  • Mobile device support

  • Policy and identity-based encryption


Encryption also usually includes authentication where the user is obliged to prove his or her identity by using a username and password combination in order to get access. More recently biometrics (fingerprints or eye retina recognition) is used instead of username and password, making it more difficult for hackers to break into computer systems.

Pricing Information

While some email tools have built-in encryption capabilities, standalone encryption tools cost between $10 and $100 per month, depending on capabilities.

Email Encryption Products

Listings (1-25 of 37)

Zix

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137 Ratings

Boasting users among the nation's most influential institutions in healthcare, finance, and government, Zix delivers solutions for email encryption and data loss prevention, advanced threat protection, archiving and bring your own device (BYOD) security. Focusing on the protection of business commun…

Proofpoint Email Protection

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156 Ratings

Proofpoint Email Protection is available as an on-premise or cloud based solution and blocks unwanted, malicious and impostor emails with granular search capabilities and visibility into all messages. Outbound controls include encryption and data loss prevention, while continuity capabilities ensure…

Microsoft Exchange

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460 Ratings

Microsoft Exchange is a secure email / messaging gateway with file archiving and encryption / data loss capability, available as a hosted service (Exchange Online) or installed (Exchange Server).

8 Ratings

AppRiver, now from Zix (acquired January 2019), is a hosted messaging gateway and security platform featuring anti-spam and email encryption / data loss capability.

2 Ratings

RMail is RPost’s software-as-a-service solution that enables business users to track and prove email delivery; encrypt sensitive emails; and get documents signed electronically. Available as a MS Outlook add-in and for other popular software platforms, RMail works with any email address without any …

We don't have enough ratings and reviews to provide an overall score.

Egress Secure Email and File Transfer offers a combination of policy-based gateway and desktop email encryption software designed to secure and control information. The vendor’s value proposition is that Egress Secure Email and Large File Transfer keeps the data owner in control of shared informatio…

We don't have enough ratings and reviews to provide an overall score.

IceWarp, from the company of the same name headquartered in Springfield, Virginia, is an email applications and unified communications offering.

We don't have enough ratings and reviews to provide an overall score.

ClrStream is an email security, continuity and durability solution for MS Exchange, Office 365, MDaemon, Postfix, PostMaster, Zimbra & other mail solutions. ClrStream protects email servers from Spam, Virus, Ransomware and DDOS attacks. It also provides email continuity when the primary mail ser…

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Echoworx, headquartered in Toronto, offers email and large file encryption, securing enterprise communications.