[Mimedefang] How to change envelope sender?

[Les Mikesell]

On Thu, May 2, 2013 at 8:57 AM, Benoit Panizzon <benoit.panizzon at imp.ch> wrote:

> >> > So let's change the sender to the address of the address of the local
>> > recipient who wants to have his emails forwarded somewhere else. So he
>> > get's  the blame/bounce if his forward does not work.
>>
>> I would expect that to loop, since the local recipient forwards to the
>> address that is not accepting mail. How do you avoid that?
>
> I'm aware of that :-)
> I'll probably add some kind of loop detection header or use some other logic
> to detect loops or bounces which would loop (eg match empty sender). But one
> problem at the time please :-)

Sooo,,, How does the real sender of the email ever find out that he
sent to a broken address?

--
   Les Mikesell
      lesmikesell at gmail.com