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Traffic Light Protocol TLP Zimlet

By: zimbra

Traffic Light Protocol (TLP) Zimlet Classic UI

The Traffic Light Protocol (TLP) Zimlet adds a menu to Zimbra Classic UI that allows the use of First.org Traffic Light Protocol (TLP) confidentiality designations.

By using TLP you can set a confidentiality designation on an email similar to the functionality offered by the Confidential Header Zimlet. Benefits of the TLP approach is that it works on any email client as TLP tags are added to the body and subject of an email and it does not use email headers.

For more information on TLP protocol see:

There is also a Thunderbird add-on that does the same: https://addons.thunderbird.net/en-US/thunderbird/addon/tulpe/?src=search

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Rating ( 2 ratings )
Downloads 306
Latest Version 0.0.5
Categories Mail
Compatibility ZCS 8.8.x , ZCS 9.0.x , ZCS 10.0.x
License BSD 3-Clause
Created on 6/14/22
Updated on 6/14/22


  • TLP 2.0 

    By: Yannis on on 6/29/23 for version 0.0.5

    It will be even better when updated to version 2.0:
    TLP:WHITE has become TLP:CLEAR
    Added the TLP:AMBER+Strict label

  • Thanks  

    By: shrf on on 6/14/22 for version 0.0.5

    Thanks for adding an implementation for TLP

    • You are welcome! 

      Replied on 6/15/22