Rene Herman wrote:

> --------------020706010703030706070708
 > Content-Type: text/plain;
>  name="unfix_interactive_task_starvation.diff" 
> Content-Transfer-Encoding: base64

Crap! Sorry guys, this is a Thunderbird bug, where it sends everything 
base64 encoded when text encoding is set to UTF-8. It for some reason 
decided to set it to UTF-8 now, so it went out base64...