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Bug#976157: thunderbird: Thunderbird refuses to decrypt inline PGP message

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Hello Jeff,

Am 01.12.20 um 20:09 schrieb Jeff:
...
>> You are aware that inline PGP is incompatible while using with HTML emails?
> 
> Other people send me inline PGP. I would like to be able to read what 
> they have written.

yes, of course. But remember my sentence above your answer. If the
sender is using inline PGP with an HTML message the behavior is
undefined, in the end Thunderbird can't decrypt the message and there is
nothing we can do about this.

You need to have a look at the source of the email, Ctrl + U will show
you the message at source level.

Look for 'Content-Type', if you find a line

  Content-Type: text/plain; charset=......

than the message is text only. If you see

  Content-Type: multipart/mixed; (or similar)

than you look at a HTML message.

In my eyes best is to convince the sender to not use inline PGP in the
long run.

If the sender is using MS Exchange you have likely no chance to get a
RFC correct message here.

The following bug from Bugzilla is marked as fixed in 78.5.0, but I
still can't open the attached encrypted example messages.

https://bugzilla.mozilla.org/show_bug.cgi?id=1672851

Without further information what the message is build of you have
problems with we can't do any useful error detection.
I expect you will have the same problems if you use an upstream version
of Thunderbird from Mozilla. If yes your bug report should go into
Bugzilla so MZLNA have a chance to fix the underlying issue (if possible).


> I am happy sending with PGP/MIME.
Fine, then your setup is correct and futurproof.

-- 
Regards
Carsten

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Bug#976157: thunderbird: Thunderbird refuses to decrypt inline PGP message Jeffrey Ratcliffe <jffry@posteo.net> - 2020-11-30 19:10 +0100
  Bug#976157: thunderbird: Thunderbird refuses to decrypt inline PGP message Carsten Schoenert <c.schoenert@t-online.de> - 2020-11-30 20:00 +0100
    Bug#976157: thunderbird: Thunderbird refuses to decrypt inline PGP message Jeff <jffry@posteo.net> - 2020-12-01 20:20 +0100
      Bug#976157: thunderbird: Thunderbird refuses to decrypt inline PGP message Carsten Schoenert <c.schoenert@t-online.de> - 2020-12-01 20:50 +0100
        Bug#976157: thunderbird: Thunderbird refuses to decrypt inline PGP message Jeff <jffry@posteo.net> - 2020-12-02 18:20 +0100
          Bug#976157: thunderbird: Thunderbird refuses to decrypt inline PGP message Carsten Schoenert <c.schoenert@t-online.de> - 2020-12-03 06:20 +0100
            Bug#976157: thunderbird: Thunderbird refuses to decrypt inline PGP message Jeff <jffry@posteo.net> - 2020-12-03 18:30 +0100

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