On 5 Feb 2005 at 23:02, Joe Csernik wrote about
"[exim] SMTP AUTH help":
|...
| domainlist relay_to_domains = *
|...
This says you will relay to any domain. Unless you are the backup MX
for every domain on the planet, you didn't want to set this to '*'.
It should probably be
domainlist relay_to_domains =
(relay to no non-local domain) but RTFM to be sure. Caveat: I didn't
read any further in your config.
- Fred