Re: [exim] Spoofed email

Tommy Phipps wrote:
> Our company is receiving spoofed emails using our domain name along with
> many combinations of user names.
>
> I'm wondering if Exim can be set up to detect these spoofed messages to keep
> them from being passed to Exchange.
>
> Thanks in advance for your help.
>

Perhaps you could just block emails from yourdomain if they don't come
from your internal range.
A rule like this one should do it.

        deny
        !hosts          = : +relay_from_hosts
        sender_domains  = +local_domains
        message         = You are not authenticated