[exim] Feature Request - return_path in autoreply

Setting a "return_path" on the autoreply transport is forbidden on the
grounds that it can cause loops.

I would of thought a vacation message would be do the least
damage if it came from a blackhole, rather than be a bounce. Bounces indicate
a delivery failure to most mailing systems.

I'd like therefore to be able to set the return_path to something like:
blackhole@???

Default can still be <> which would ensure compatibility.

Are there any holes in this argument (blackholes even)?

--
Regards,

Martin Nicholas.

E-mail: reply-2006@???