+++ Simon Boulet [exim-users] <22/01/02 02:50 -0500>:
> I am wondering how to allow only the mail with a valid local-domain in the
> "From:" field to be accepted in forward? I don't want my SMTP server to
> become a SPAM-forwarder (even if I know spoofing is easy to do). We have
> many different users on different ISP so an ip/host filtering is
> impossible.
Then set up smtp authentication or pop before smtp.
look at the config.samples ...
If you relay for anybody@local-domain you WILL be an open relay
- -srs
