Atomicorp

I have a problem with 1 of my domains getting spam from their own email accounts. All the scores end up being -80 and below since it is spoofed to be from themselves. What is the best way to prevent this? Or is there a way to prevent this? Is there a way to stop anything coming in saying it is from this particular domain? Thanks.

Did you whitelist that domain or something in your config?

You know what I did. I can't remember why or when, but I just found it in the spamassassin configs. Thanks.