Internet Security Threat Report, Volume 21

Learn about the cyber threat landscape and the potential impact it has against you and your organization.

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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.

Download the Data Sheet

System Requirements

Supported Operating Systems

  • Microsoft Windows 8 Enterprise (32- and 64-bit versions)
  • Microsoft Windows 8 Pro (32- and 64-bit editions)
  • Microsoft Windows 7 (all 32-bit and 64-bit editions, including Service Pack 1)
  • Microsoft Windows Vista (all 32-bit and 64-bit versions, including Service Pack 1)
  • Microsoft Windows Server 2003 (Service Pack 1 and 2)
  • Microsoft Windows XP Professional 32-bit (Service Pack 1, 2 and 3)
  • Microsoft Windows XP Professional 64-bit (Service Pack 2)
  • Microsoft Windows XP Home Edition (Service Pack 2 and 3)
  • Microsoft Windows XP Tablet PC Edition 2005 (requires attached keyboard)
  • Apple Mac OS X 10.8.4, 10.8.5, 10.9.0 - 10.9.2

Citrix and Terminal Services Compatibility

Symantec Encryption Desktop for Windows has been tested with the following terminal services software:

  • Citrix Presentation Server 4.0
  • Windows 2008 Terminal Services (SP1 and SP 2)
  • Windows 2008 Terminal Services R2 (SP 1)


  • 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 2013 (32- and 64-bit)/Exchange Server 2013 Cumulative Update 2 (CU 2)
  • Microsoft Outlook 2013 (32- and 64-bit)/Exchange Server 2010 (on-premise only)
  • Microsoft Outlook 2013 (32- and 64-bit)/Office 365 Cloud Server
  • Microsoft Outlook 2010 (32- and 64-bit)/Exchange Server 2010 (on-premise only)
  • Microsoft Outlook 2010 (32- and 64-bit)/Office 365 Cloud Server
  • Microsoft Outlook 2007 SP2 (Outlook 12)/Exchange Server 2007 SP2
  • Microsoft Outlook 2007 SP2 (Outlook 12)/Office 365 Cloud Server
  • Microsoft Outlook 2003 SP3/Exchange Server 2003 SP3
  • Microsoft Windows Mail 6.0.600.16386
  • Microsoft Outlook Express 6 SP1
  • Microsoft Windows Live Mail
  • Mozilla Thunderbird 3.0
  • Lotus Notes/Domino Server 8.5.1 FP2
  • Lotus Notes/Domino Server 8.5.2, 8.5.3

Mac OS X

  • Apple Mail 5.x, 6.x, 7.x
  • Microsoft Outlook for Mac 2011


Supported Email Servers

  • Microsoft Exchange 2010 SP1
  • Microsoft Exchange Server 2007
  • Microsoft Exchange Server 2003 SP2
  • Lotus Domino Server 8.5.2


  • 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 Requirements

  • Provided by Symantec™ Encryption Management Server, Powered by PGP Technology. Symantec Encryption Management Server requires a dedicated server.

Supported Smart Cards and Tokens for Key Storage (Windows)

Symantec Desktop Email Encryption recognizes and works with the following:

  • DoD Common Access Cards (CACs) with the ActivCard Gold 2.0 profile
  • Oberthur Technologies ID-One Cosmo 64 V5.2D personal identification verification (PIV) smart cards
  • Athena Smart Card Solutions smart cards, including the ASEKey USB token
  • AET SafeSign smart cards, including ASEKey 1.0
  • Axalto (formerly Schlumberger) smart cards, including the Cryptoflex 32K
  • SafeNet smart cards, including iKey 2032
  • Aladdin smart cards, including eToken PRO USB 16K, 32K, and 64K
  • GemPlus smart cards, including SafesITe and GemXpresso Pro, using GemSafe Libraries 4.2.0-015 (Gold)
  • EMC RSA SecurID 800 (Rev A, B, and D)
  • Gemalto .NET v2 smart cards
  • Giesecke and Devrient Sm@rtCafe Expert 3.2 personal identity verification cards using ActivClient version 6.1 client software
  • T-Systems Telesec NetKey 3.0 and TCOS 3.0 IEI cards Symantec Desktop Email Encryption recognizes and works with smart cards from other vendors, if the vendor includes a standards-based PKCS-11 library in its software drivers.


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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