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On 27/01/12 16:10, Kent James wrote:
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On 1/26/2012 4:55 PM, Unicorn.Consulting wrote:
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<blockquote class=" cite" id="mid_4F216EE8_1010007_gmail_com"
cite="mid:4F216EE8.1010007@gmail.com" type="cite"><snips><br>
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When I send my signed message to someone, or SMIME message, I
would like to think that I don't have to produce my copy to
prove what I sent to the recipient as a matter of course. If
your going to use this type thing, and I can understand where
editing the subject may be valid, I would like to see the
digital signature removed by Thunderbird if the content is
changed.<br>
<br>
Microsoft Outlook, which is the application sited most when
people are asking for this, will not save an existing signed
mail without you also having a digital signature, I assume it
replaces the signature as a part of the edit.<br>
<br>
Certainly there is always the opportunity for a message to be
modified in a text editor, but please lets try and make
fraudulent modifications as hard as possible. As I understand it
a digitally signed message is a legal document in the EU.
Should we be making the modification (without obvious forensic
fingerprinting of the process) a simple process for add-on
authors to execute.<br>
<br>
</blockquote>
<br>
When reviewing addons that modify messages, I have not known what
to require with respect to original message integrity. I would
welcome suggestions along this line. </blockquote>
+1<br>
<blockquote class=" cite" id="mid_4F22CC7D_9000606_caspia_com"
cite="mid:4F22CC7D.9000606@caspia.com" type="cite">But I am not
the only reviewer of Thunderbird addons, and it is not easy to
communicate reliably requirements such as maintaining message
integrity to all editors.<br>
<br>
rkent<br>
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<br>
I would be of the same opinion. I think certain meta fields should
be modifiable, such as keywords (tags). I think there is a
requirement for extension editors to be able to manipulate things
like subject and thread-id.<br>
<br>
While I do not currently know too much about the technical ins and
outs, maybe this could be done by backing up original fields in an
appended header area; original-subject, original-threadId etc.<br>
<br>
Axel Grude<br>
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