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Trend Micro Incorporated                                      January 15th, 2020
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            Trend Micro(TM) Deep Discovery Email Inspector 3.6 - GM
                           English - Linux - 64 Bits
                           Critical Patch Build 1188
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  Contents
  ==============================================================================
    1.  Critical Patch Release Information
        1.1 Resolved Known Issues
        1.2 Enhancements
    2.  Documentation Set
    3.  System Requirements
    4.  Installation/Uninstallation
        4.1 Installing
        4.2 Uninstalling
    5.  Post-installation Configuration
    6.  Known Issues
    7.  Release History
        7.1 Prior Hotfixes
    8.  Contact Information
    9.  About Trend Micro
    10. License Agreement
  ==============================================================================


  1. Critical Patch Release Information
  ==============================================================================

    1.1 Resolved Known Issues
    ============================================================================
    This Critical Patch resolves the following issue(s):

    Issue:    The email encryption function does not work because the email 
              encryption backend server certificate has changed. 
              ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    Solution: This critical patch updates the email encryption module to ensure 
              that the email encryption function works normally.


    1.2 Enhancements
    ============================================================================
    There are no enhancements for this Critical Patch release.


  2. Documentation Set
  ==============================================================================

      To download or view electronic versions of the documentation set for this      
      product, go to http://docs.trendmicro.com      

    - Online Help: The Online Help contains an overview of features and key      
      concepts, and information on configuring and maintaining the product.      

      To access the Online Help, go to http://docs.trendmicro.com

    - Installation Guide (IG): The Installation Guide contains information on      
      requirements and procedures for installing and deploying the product.      

    - Administrator's Guide (AG): The Administrator's Guide contains an overview      
      of features and key concepts, and information on configuring and      
      maintaining the product.      

    - Getting Started Guide (GSG): The Getting Started Guide contains product      
      overview, installation planning, installation and configuration      
      instructions, and basic information intended to get the product 'up and      
      running'.      

    - Support Portal: The Support Portal contains information on troubleshooting      
      and resolving known issues.      

    - To access the Support Portal, go to http://esupport.trendmicro.com



  3. System Requirements
  ==============================================================================

      1. Trend Micro Deep Discovery Email Inspector 3.6 GM
         Build 1186- English - Linux - x64


  4. Installation/Uninstallation
  ==============================================================================
    This section explains key steps for installing the Critical Patch.

    4.1 Installing
    ============================================================================

    To install:    
    1. Click "Administration > Product Updates > Hot Fixes / Patches". The    
       "Install Hot Fix / Patch" screen appears.    
    2. Click "Browse" and select the "ddei_36_lx_en_criticalpatch1188.7z.tar"    
       hotfix file.    
    3. Click "Install".    
    4. Verify that the critical patch has been installed successfully.    
        a. Click "Administration > Product Updates > Hot Fixes / Patches". In 
           the "History" table, check if the "Build" is "1188" and "Description" 
           is "Critical patch 1188".    
        b. Choose the "About" option under "Help".    
        c. Verify that the "Hot fix" number on the "About" page is "1188".    
    5. Clean the web browser cache.    
       NOTES:    
       * The program version for the device will NOT change after applying this    
       hotfix.    
       * Deep Discovery Email Inspector 3.6 GM restarts automatically after    
       installing this hotfix.    

    4.2 Uninstalling
    ============================================================================

    No special uninstallation instructions are provided.


  5. Post-installation Configuration
  ==============================================================================

    No post-installation steps are required.    
    NOTE: Trend Micro recommends that you update your scan engine and virus    
    pattern files immediately after installing the product.    


  6. Known Issues
  ==============================================================================

    There are no known issues in this release.



  7. Release History
  ==============================================================================
    For more information about updates to this product, go to:    
    http://www.trendmicro.com/download    


    7.1 Prior Hotfixes
    ============================================================================
    There are no prior hotfixes.


  8. Contact Information
  ==============================================================================

    A license to Trend Micro software usually includes the right to product    
    updates, pattern file updates, and basic technical support for one (1) year    
    from the date of purchase only. After the first year, you must renew    
    Maintenance on an annual basis at Trend Micro's then-current Maintenance    
    fees.    

    Contact Trend Micro via fax, phone, and email, or visit our website to    
    download evaluation copies of Trend Micro products.    

    http://www.trendmicro.com/us/about-us/contact/index.html

    NOTE: This information is subject to change without notice.


  9. About Trend Micro
  ==============================================================================

    Smart, simple, security that fits

    As a global leader in IT security, Trend Micro develops innovative security    
    solutions that make the world safe for businesses and consumers to exchange    
    digital information.    

    Copyright 2020, Trend Micro Incorporated. All rights reserved.

    Trend Micro, Deep Discovery Email Inspector, and the t-ball logo are    
    trademarks of Trend Micro Incorporated and are registered in some    
    jurisdictions. All other marks are the trademarks or registered trademarks    
    of their respective companies.    


  10. License Agreement
  ==============================================================================
    View information about your license agreement with Trend Micro at:

    http://www.trendmicro.com/us/about-us/legal-policies/license-agreements/

    Third-party licensing agreements can be viewed:
    - By selecting the "About" option in the application user interface
    - By referring to the "Legal" page of the Administrator's Guide