On 05 June 2002, Tim Sexton said:
> I would like to set up Exim to verify that all senders come from our
> domain, and refuse the relay if they don't. Is there a way to make it
> verify the that the sender's address is *younglife.org? I have read the
> docs, but still can't figure out how to make it reject a relay based on
> a sender address not meeting a spec.
Which version of Exim are you using? What have you got for a start?
The sample config file distributed with Exim is a useful starting point.
Greg