#21880: Protected E-mail Headers (Enigmail)
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     Reporter:  cypherpunks            |      Owner:  sukhbir
         Type:  enhancement            |     Status:  new
     Priority:  Very Low               |  Milestone:
    Component:  Applications/TorBirdy  |    Version:
     Severity:  Minor                  |   Keywords:
Actual Points:                         |  Parent ID:
       Points:                         |   Reviewer:
      Sponsor:                         |
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 Enigmail allows the encryption of the subject line, References, etc. for
 `PGP/MIME`-Messages (The orginal subject line becomes part of the
 encrypted `MIME`-part). This feature is already build in an can be enabled
 by setting the following options in Thunderbird's about:config.

 >```extensions.enigmail.protectHeaders true```
 >Protect sensitive headers of encrypted messages, such as the subject. The
 original header is moved into the encrypted message and replaced by a
 dummy value (such as "Encrypted Message"). This is part of the Memory Hole
 standard that is currently being developed.
 >
 >```extensions.enigmail.protectedSubjectText Encrypted Message```
 >Text to use as replacement for the subject, following the Memory Hole
 standard. If nothing is defined, then "Encrypted Message" is used. [1]
 (Remark: if not set, "Encrypted Message" might be translated)


 This feature is not unique to Enigmmail and has been implemented to other
 platforms but unfortunately it's not that wide-spread [2] either. That
 means, that in the worst case, the other side will just see "Encrypted
 Message" as subject line---but that seems to me a rather small trade-off.


 [1] https://enigmail.wiki/Advanced_Operations
 [2] https://github.com/ModernPGP/memoryhole

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/21880>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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