On Mon, Apr 14, 2003 at 03:10:23PM +0200, Thomas Baumann wrote:
> I want to be a backup MX for a specific domain,
[...]
That is simple. For exim3 add the the domain to relay_domains, and on
exim4 you usually have a domainlist relay_to_domains, with the same
purpose which is evaluted in the acl_smtp_rcpt acl.
cu andreas