On Sat, 29 Mar 2003, David Saez wrote:
> Hi !!
>
> Maybe it will be nice to have an option for callout to specify the
> envelope sender to use when doing a callout verification as now this
> control does not really test if the address exists or not (as the
> fact that the server is not prepared to accept bounce messages does
> not mean that the testing address exists or not). Testing the envelope
> sender with callout using a envelope sender is ok, but maybe it will
> be better to relax it when testing addresses from the header.
It's not so easy. Think about it, 2 exim installations, both try to do a
sender callout with a custom envelope from. This will result in a endless
loop (theoretical). Exim would need to handle the outgoing address in a
special way (not impossible, but still, less than perfect).
