Enigmail / Forum / Enigmail Support: decrypted PGP/MIME mails not shown in Win7/64 Thunderbird 38.2, Enigmail 1.8.2, GnuPG 2.1.7

Mario Lorenz - 2015-08-21

Dear Sirs,

i use Win7/64 Thunderbird 38.2, Enigmail 1.8.2, GnuPG 2.1.7, german
when i´ve got a PGP/MIME encrypted Mail, i can decrypt the message, but the Mailtextwindow is empty. I see only a grey bar with "Enigmail Entschlüsselte Nachricht" (that means decrypted Message) with a Button "Details" (with Menuoptions "Enigmail Sicherheitsinfo" (that means security Info) and "Enigmal Sicherheitsinfo kopieren" (that means copy security Info).
I have it in all combinations of Text- or HTML-Mails with and without Attachments.

With Non-PGP/MIME encrypted Mails, everything works fine.

I tested the four PGP/MIME encrypted Mails with another Client: Win7/64 Outlook 2010, OutlookPrivacyPlugin v1 BETA-49, GnuPG 2.1.7, german. Here works everything fine. The Mails would be right decrypted and shown.

Can somebody reproduce my case?

PS: I have encrypted the four PGP/MIME with this: Win7/64 Thunderbird 38.2, Enigmail 1.8.2, GnuPG 2.1.7

Regards and thanks in advance.

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Same problem here.
Message decrypted with GnuPG:

 Content-Type: multipart/alternative;
  boundary="------------070400040707060200060205"

 This is a multi-part message in MIME format.
 --------------070400040707060200060205
 Content-Type: text/plain; charset=utf-8; format=flowed
 Content-Transfer-Encoding: quoted-printable

 test

 --------------070400040707060200060205
 Content-Type: text/html; charset=utf-8
 Content-Transfer-Encoding: quoted-printable

 <html>
   <head>
    <meta http-equiv=3D"content-type" content=3D"text/html; charset=3Dutf=
 -8">
   </head>
   <body text=3D"#000000" bgcolor=3D"#FFFFFF">
     test
   </body>
 </html>

 --------------070400040707060200060205--

Decrypted with Enigmail:

Content-Type: multipart/mixed; boundary="qc08l8dsjr7hi24lin2itufwghi6bedbv"

This is a multi-part message in MIME format.
--qc08l8dsjr7hi24lin2itufwghi6bedbv
Content-Type: multipart/alternative;

 boundary="------------070400040707060200060205"

This is a multi-part message in MIME format.

--------------070400040707060200060205

Content-Type: text/plain; charset=utf-8; format=flowed

Content-Transfer-Encoding: quoted-printable

test

--------------070400040707060200060205

Content-Type: text/html; charset=utf-8

Content-Transfer-Encoding: quoted-printable

<html>

  <head>

    <meta http-equiv=3D"content-type" content=3D"text/html; charset=3Dutf=

-8">

  </head>

  <body text=3D"#000000" bgcolor=3D"#FFFFFF">

    test

  </body>

</html>

--------------070400040707060200060205--

--qc08l8dsjr7hi24lin2itufwghi6bedbv--

There are additional CRLFs between the boundary and the header fields which is not allowed.

Last edit: schmi 2015-08-23

Patrick Brunschwig - 2015-08-23

That's nothing that Enigmail or Thunderbird could fix on the recipient side.

Do you know which email tool created these messages?

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schmi - 2015-08-23

The PGP/MIME message was created by Thunderbird with Enigmail. I sent it to myself. It's the same message in both cases. For the first one I saved the received message as .eml and decrypted the pgp part with GnuPG on the command line. The second one is saved decrypted by Thunderbird via a filter action.

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Patrick Brunschwig - 2015-08-23

Can you please send me such a message (patrick AT enigmail DOT net)?

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schmi - 2015-08-23

It's done. It should read "This is a test."

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Patrick Brunschwig - 2015-08-25

It turned out that schmi was using GnuPG 2.1.7 (https://www.gnupg.org/ftp/gcrypt/binary/gnupg-w32-2.1.7_20150811.exe) which produces wrong output. Using gpg4win resolves this. I will report the error to the GnuPG developers.

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Patrick Brunschwig - 2015-08-25

The bug has been fixed in GnuPG 2.1 today:
https://lists.gnupg.org/pipermail/gnupg-devel/2015-August/030234.html

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Mario Lorenz - 2015-08-25

Hi Patrick & Schmi, thanks for your support. I´ll wait of the new gnupg-Version > 2.1.7.
Regards, Mario

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Patrick Brunschwig - 2015-08-26

I'd strongly suggest you use the latest version of gpg4win instead. GnuPG 2.1.x is bleeding edge.

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NoSubstitute - 2015-12-31

GPG4Win beta works with GPG Modern (v 2.1.x).
https://files.gpg4win.org/Beta/current/

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decrypted PGP/MIME mails not shown in Win7/64 Thunderbird 38.2, Enigmail 1.8.2, GnuPG 2.1.7