Cannot Display Sent Emails Signed with S/MIME
OpenPGP addon for Mozilla Thunderbird
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When signing a message using S/MIME and a locally generated and imported X.509 certificate, I notice that I cannot view that message in the SENT folder with Enigmail enabled. I instead see the green 'Signed' message and a blank body. Disabling Enigmail allows the message to be viewable again. Examining the previous bugs, I noticed that the content type such as the ones here (Content-Type: application/pkcs7-signature; name="smime.p7s") had previously caused issues such as in bug #606 and so I am unsure whether this might be a manifestation of the same bug.
Please attach a complete message that can be verified. If you don't want to do that in public, then please send such a message to patrick AT enigmail DOT net. Otherwise, I can't reproduce the bug.
Which version of Enigmail do you use precisely?
I am using v1.9.8.3. I have sent you an email to the address you indicated with an attached sample message.
After doing some testing, it seems that this bug takes place only when Thunderbird Conversations is also installed with its default settings. When this is the case, Enigmail does not load the message body correctly, though it is displayed correctly when Enigmail is disabled. Without Thunderbird Conversations also installed, body display works as expected.
This seems to be equivalent to the bug reported here. I am unsure as to what code is responsible for the issue (Enigmail or Conversations). https://github.com/protz/thunderbird-conversations/issues/1240
The bug is in Thunderbird Conversation.