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Hi,

> Newer versions of gpg2.x reject signatures using the unsecure hash
>  algorithm MD5. If all self-signatures are stripped off this way, 
> then gpg rejects the whole key because of a missing self 
> signature.
> 
> Maybe this can be repaired by the key owner by issueing a newer 
> self signature using a newer hash algorithm. However, this can
> only be done for V4 keys.
> 
> Keys like this are old, usually almost 20 years, and are in V3 
> format (which will no longer be supported in GnuPG 2.1) and 
> typically have a key length of 1024 bits, altogether indications 
> that the key is end-of-life. The owner should be generating a new 
> key pair.


If I look at "Schlüsseleigenschaften" - "Struktur" (key properties -
structure) of this key I don't see any (sub)keys at all. I'm a bit
surprised that I can't even see weather the MD5 algorithm was used in
the past.

I assume the error message

> 
> Herunterladen der Schlüssel ist fehlgeschlagen gpg: fordere 
> Schl]ssel BB1D9F6D von hkp-Server keys.gnupg.net a gpg: Hinweis: 
> Signaturen mit dem MD5 Hashverfahren werden zur]ckgewiesen gpg: 
> Schl]ssel BB1D9F6D: Keine g]ltigen User-I gpg: dies k├Ânnte
> durch fehlende Eigenbeglaubigung verursacht worden sei gpg: Anzahl 
> insgesamt bearbeiteter Schl]ssel: gpg: ohne User-ID: 1

is created not by enigmail but by gpg? Maybe somebody can tell them to
make the error message even clearer and at least fix the encoding
and add some missing letters ("a" -> "an", "sei" ->"sein"), or is this
cut by enigmail when displayed?)


> Please create a debug log file for a "refresh all". Instructions 
> for this see here: 
> https://enigmail.net/index.php/en/faq?view=category&id=11#faqLink_6

First
> 
of all a comment, it states "Open the Enigmail Preferences panel
(OpenPGP->Preferences)" but at least in the German Thunderbird the menu
entry is labeled is "Enigmail" and not "OpenPGP". For me it was clear
but for a beginner it might be a problem.

I'll send you an e-mail with the log soon.

Best regards,

Hauke







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iEYEARECAAYFAlcj9igACgkQjz8jfoq989ej9ACfUQrSXufm0zAQFqi452E2H1+1
z7wAnRmsBAS4wgIUBur8YF9JLB6aYpUN
=8VWt
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