Re: [exim] Thanks for all your input

peter@??? wrote:
> It gets addressed to the orginal return-path on the server where
> the NDR is generated,
> but the alias expansion happens on delivery to another server.

Yes, I see that. I suppose I'm asking if the forwarder (alias-expander) is
correct to preserve <>, or whether it should supply a new, valid, non-null
reverse-path. Anyway, I guess this is a bit off-topic. Sorry,