Automatically Encrypts, Decrypts, Digitally Signs, and Verifies Messages According to Individual or Centrally Managed Policies

Protect your data in email, whether in transit or at rest. Symantec Desktop Email Encryption provides an end-to-end email encryption solution that automatically encrypts and decrypts email directly between clients without the need to log into a third-party website. Email remains encrypted on internal mail servers or when email is outsourced to the cloud.

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Supported Operating Systems

Desktop Email Encryption is supported on Windows and Mac platforms.

Remote Desktop Services Compatibility
  • Windows Server 2008 R2 (64-bit, including Service Pack 1 or 2) Remote Desktop Services
  • Windows Server 2012 (64-bit) Remote Desktop Services
  • Windows Server 2012 R2 (64-bit) Remote Desktop Services
  • Citrix XenApp 7.6 FP3
  • Citrix XenApp 7.7
  • Citrix XenApp 7.9  
  • English
  • German
  • Japanese
  • French (France)
  • Spanish (Latin America)
Authentication Options
  • OpenPGP RFC 4880 keys
  • X.509 keys
Messaging Protocols
  • POP3
  • IMAP
  • SMTP
  • MAPI
  • Lotus Notes
Messaging Security Standards
  • PGP/MIME RFC 3156
  • OpenPGP RFC 4880
  • S/MIME v3 RFC 2633
  • X.509 v3
Supported Email Clients
  • Microsoft Outlook 2007 to 2019
  • Exchange (on-premises)/Office 365 Cloud Server
  • Microsoft Windows Live Mail version 2012
  • Mozilla Thunderbird 38.3
  • Lotus Notes/Domino Server 8.5.3, 9.0.1 Fix Pack 4
  • Apple Mail 8.x, 9.x, 10.x
  • Microsoft Outlook 2016 for Mac
  • Microsoft Outlook 2019 for Mac
  • Apple Mail client available on macOS 10.9.5 through 10.14.x
Supported Email Servers
  • Microsoft Exchange Server 2007-2019
  • IBM Domino Server 9.0.1 Fix Pack 4
  • SHA-2 (up to 512-bit hashes)
  • SHA-1
  • MD5
  • RIPEMD-160
Public Key Algorithms
  • Diffie-Hellman
  • DSA (1024-bit keys only)
  • RSA (up to 4096-bit keys)
Centralized Management
  • Provided by Symantec™ Encryption Management Server, Powered by PGP Technology. Symantec Encryption Management Server requires a dedicated server.

Additional product information and articles are available from Technical Support.


Add-ons are additional products that work with the original product.

Mobile Encryption

Email encryption for iOS and Android

As business users and their devices become more mobile, Symantec's encryption solutions allow users to painlessly send and receive encrypted email from their smartphones and other iOS devices, including the iPad.

  • Symantec Mobile Encryption for iOS
  • PGP Viewer for Android
  • Android currently only available as an email viewer

Key Features

  • Decrypts both PGP Partition and PGP MIME mail formats
  • Attachments are effortlessly encrypted and decrypted along with the message as normal
  • Access multiple emails in the same session without having to re-unlock the user's key
  • Network connectivity not required for decryption
  • Keys are encrypted and stored safely on mobile devices with a passphrase

Key Benefits

  • Data stays confidential should the device fall into the wrong hands
  • Decrypt messages even when not connected to the network
  • No need to log into web browsers to access content or learn new processes, users continue to use standard device email interfaces as normal

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