[Rt-devel] Bug: Forward + GnuPG sign = illegal MIME encoding base64

[Otmar Lendl]

Hi,

Ruslan Zakirov wrote:
> Hello,
> 
> Thanks for looking further into RFCs. So I think we should do the following:
> 
> 1) in lib/RT/Crypt/GnuPG.pm don't set content transfer encoding on
> message/ parts.

Same applies to multipart/, see also 6.4 of rfc2045

----
   If an entity is
   of type "multipart" the Content-Transfer-Encoding is not permitted to
   have any value other than "7bit", "8bit" or "binary".  Even more
   severe restrictions apply to some subtypes of the "message" type
---

> 
> 2) set content transfer encoding of a forward subparts to base64 or
> quoted-printable unless it's 7bit. we should do this only if we're
> going to sign forwarded message.

Agreed, that's the proper solution.

/ol
-- 
-=-  Otmar Lendl  --  ol at bofh.priv.at  --  http://lendl.priv.at/  -=-