The world of email encryption has changed significantly in the past few years. The leading tools are evolving, each in their own way:

• HPE/Voltage SecureMail is now part of Micro Focus, part of an acquisition of other HPE software products
• Virtru Pro has extended its product with new features and integrations
• Inky no longer focuses on an endpoint encryption client and has instead moved into anti-phishing
• Zix Gateway rebranded and widened its offerings
• Symantec Email Security.cloud has added integrations