Hi
On Tue, 2007-11-27 at 14:39 -0500, B. Cook wrote:
> I am allowing another departments Exchange server to relay out via our
> exim server.
>
> Their exchange server is (by default) setup to accept all messages to anyuser@???
> and then bounce the names that do not exist.
This is default behaviour (for Exchange 2003 at least, and probably
earlier versions).
> They take the mails in themselves. As I do not have the 'mx' entry
> for them I can not pre-filter or recipient verify what they take in.
>
> What I am trying to figure out how to do is bounce mail from their IP
> and <> , and only that combination. I still want to take other
> departments email which has the <> sender.
>
> I have already asked them to adjust their Exchange install to do this,
> but they either do not know how or will not..
Give them this:
http://blogs.technet.com/dlemson/archive/2003/10/17/52019.aspx
That should stop them doing accept'n'bounce.
Graeme