4
Send It Secure
Send It Secure is an encrypted messaging platform that lets people send protected messages to any email address through their existing email provider.
Free planiOSWebAPIExtension
7.5From $15 a month
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5
Virtru Data Security Platform
Virtru Data Security Platform protects sensitive information shared through email, files, SaaS applications, and mission partner environments.
AndroidiOSWebAPI
7.5From $119 a month
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6
MailHippo
MailHippo is a secure email messaging platform designed to protect patient data with HIPAA-compliant email.
WebAPIWindows
6.9From $4.95 a month
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7
Microsoft Exchange Online
AndroidiOSWebmacOS
6.9
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8
Secure Message
Secure Message is a self-hosted inbound email gateway that filters incoming mail before it reaches an existing mail server.
Free planWebLinuxSelf-hosted
6.9From $690 a year
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9
Mailvelope
Mailvelope adds client-side end-to-end email encryption using PGP to supported webmail services.
WebExtension
6.8From €3 a month
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10
DataMotion Secure Email Exchange
AndroidiOSWebAPI
6.6
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11
Proofpoint Email DLP and Encryption
Proofpoint Email DLP and Encryption detects sensitive information in email and attachments to help organizations prevent data loss and automate compliance.
AndroidiOSWebWindows
6.6
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12
FlowCrypt
FlowCrypt is an email encryption service offered as a Chrome extension, with other platforms and a mobile application also listed.
Free planExtension
6.5Free plan
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13
PDF Postman
PDF Postman is a Windows Outlook add-in that turns email messages and attachments into password-protected PDFs for sending.
Windows
6.5$69.99 one-time
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14
c.Email
c.Email adds encryption and verified sending to existing Gmail or Outlook addresses, so users can keep their current email address.
Free planExtension
6.4Free plan
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15
Mimecast Secure Messaging
Mimecast Secure Messaging helps organizations protect sensitive information sent by email, including financial records and customer data.
AndroidiOSWebmacOS
6.4
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16
Cisco Catalyst Center
Cisco Catalyst Center is a centralized controller and management dashboard for enterprise network operations.
WebAPILinuxmacOS
6.2
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17
Encryptomatic OpenPGP
Encryptomatic OpenPGP is a Windows application for encrypting and signing messages and files, with Outlook integration.
Windows
6.2From $29.99 a year
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18
Sophos Secure Message
Sophos Secure Message is part of Sophos Email, a cloud service that protects inboxes from phishing, business email compromise, spam, and email-delivered malware.
Web
6.2
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19
GPG Suite
GPG Suite is a macOS collection for encrypting, decrypting, signing, and verifying files or email.
macOS
6.1€24 one-time
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20
Symantec PGP Gateway Email Encryption
WebLinuxSelf-hostedWindows
6.1
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21
Trustifi Outbound Shield
Trustifi Outbound Shield scans outgoing email against administrator policies and automatically encrypts messages containing sensitive information.
WebAPIExtensionmacOS
6.1
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22
OpenText Core Email Encryption
OpenText Core Email Encryption automatically protects outbound email to help safeguard sensitive information and support compliance requirements.
Web
6.0
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23
KnowBe4
KnowBe4 is a cloud-based, web security awareness training service from KnowBe4, a company founded in 2010 and headquartered in Clearwater, Florida.
Web
5.9From $2.40 a month
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24
OpenText Core Email Message Privacy
OpenText Core Email Message Privacy is a web-based service for securing sensitive messages and files while managing access after delivery.
Web
5.9
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25
Paubox Email Encryption
Paubox Email Encryption is a web service for secure email delivery, presented for healthcare.
Web
5.8From $29 a month
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26
Cryptshare.express
Cryptshare.express is a web service for sending attachments through a secure delivery portal.
Web
5.7
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27
RMail
WebWindowsmacOS
5.6
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28
Gpg4win
Gpg4win is free software for encrypting files and email on Windows.
Windows
5.5
Visit
29
Cisco Meraki Dashboard
Web
5.0
Visit
30
Webroot Security Awareness Training
Web
4.8
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