[Users] invalid signature only in Claws Mail

Colin Leroy colin at colino.net
Fri May 3 14:33:18 CEST 2013

On Thu, 2 May 2013 10:03:23 +0200, "Stephan Braun"
<sylpheed-claws-users at lists.evervoid.net> wrote:

> We now want to find out, where exactly the bug is so we can file a
> report at the right place. We both are no developers so your help is
> appreciated.

In fact, while Claws-Mail did something wrong there - that is, decoding
a quoted-printable "multipart" MIME part, there is another problem:
KMail should not send that, and you may want to tell them it's a bug,
as RFC 2045 specifies :

RFC 2045, 6.4.  Interpretation and Use
   If an entity is of type "multipart" the Content-Transfer-Encoding is
   not permitted to have any value other than "7bit", "8bit" or


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