Ken Nakata wrote:
> 

> > which makes it appear as it was send from my own provider. Any idea?
> 
> No, he's not from your own provider.  Your provider's MTA rewrote From:
> field because it lacked the domain name ("@...." part) which made it
> look like a local user at your provider.
> 
> Ken

OK, but this means that you can not answer to this message too, so they
could not get your real address this way !