On 03/15/2013 03:48 AM, Patrick Brunschwig wrote:
> On 15.03.13 07:32, Daniel Kahn Gillmor wrote:
>> On 03/15/2013 02:20 AM, Daniel Kahn Gillmor wrote:
>>> I'm signing this message using S/MIME, out of curiosity to see
>>> what it does after the mailman footer is appended.
> 
>> OK, i've checked this out now, and Thunderbird silently ignores
>> all S/MIME signatures unless the entire message itself is
>> S/MIME-signed. (that is, the top level Content-Type needs to be
>> multipart/signed)
> 
> I get a "red" signature indicator from your message (which means
> signature invalid).

You get this for Message-ID: 5142bda8.6000...@fifthhorseman.net ?  does
it have the enigmail-users mailman footer in your copy?  If so, i'm
interested in figuring out what is different between your version of
thunderbird and mine.  I wouldn't expect to see any evaluation of the
signature in question.

> I personally think that the best compromise is to display the status
> as we do now, but prefix it with something like "only a part of the
> message is signed". I'd love to hear other opinions though.

just brainstorming: there's also the inline-pgp approach, which brackets
the signed part with lines like:

********* *BEGIN ENCRYPTED or SIGNED PART* *********

Patrick Brunschwig did not write this.

********** *END ENCRYPTED or SIGNED PART* **********

But this is itself spoofable, because messages can contain these strings
(e.g. which part of this message was actually signed by Patrick?)

I'd love to hear other suggestions too.

        --dkg





Please excuse my inclusion of this extra block below, its content isn't
relevant for this message :)





-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

On 17.02.13 18:52, commb wrote:
> I just now deactivated Enigmail, and immediately after the
> TB-restart the notifications did work again. So i am almost sure
> that this is somehow related to Enigmail. Also i have 3 other
> email-accounts in TB, but have not activated OpenPGP for them, and
> with those accounts this problem did not occur at all. I have no
> message filters or any plugins other than enigmail.

Do you see any error message in the Error Console (menu Tools > Error
Console) when Enigmail is enabled and after you got a mail for which
you missed the notification?

- -Patrick
-----BEGIN PGP SIGNATURE-----
Version: GnuPG/MacGPG2 v2.0.18 (Darwin)
Comment: Using GnuPG with Mozilla - http://www.enigmail.net/

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