> What I'm looking for is a way to force a rewrite of ADDRESSES THAT
> DON'T HAVE AN @DOMAIN that are coming into this machine from other
> computers.
Use append_at_myorigin:
append_at_myorigin (for addresses without *domain*),
Not append_dot_mydomain:
append_dot_mydomain (for addresses without *parent domain*)
Specify the forced domain with:
remote_header_rewrite_domain (default: empty)
And make sure that it happens only for clients that don't match:
local_header_rewrite_clients (which depends on SMTP client IP
address, 10.104.87.249 in your test).
Wietse