> We switched from sendmail to exim several months ago, and have found
it
> excellent.
>
> There is however one outstanding query:
>
> We manage several virtual domains, each with their own aliases file.
> These allow wild card matching, such that a line:
>
> *: postmaster@???
>
> will send all incoming emails, not previously matched, to the other
> domain. This is useful as domain managers can maintain their own user
> aliases files. We would like the ability to preserve the local part of
> the mail address on the right hand side. Obviously this example does
not
> work, but something like:
>
> *: $local_part@anotherdomain
>
> so that the username is maintained across the two domains. Can this be
> done in the aliases file? It seems like a sensible requirement that I
am
> sure many others must have as well. If necessary, the less attractive
> option of something in the exim.conf may be necessary, but clearly an
> admin headache given the self management in place at the moment. What
> would this alternative be?
>
Read the docs on the smartuser director
new_address = ${local_part}@newhost
is what you want.
J.