> If you think it still is relaying, it may be due to the way you're testing
> it. Sendmail doesn't actually reject the mail until the DATA command, as I
> recall correctly, so if you're just using MAIL FROM: and RCPT TO: commands
> and getting good responses, type DATA and you should see the mail rejected.

I tested it, and it does relay. The log messages reveal that sendmail suspected it
as forged. I'll look at upgrading to 8.9.x... but maybe I should just use qmail?

Thanks for the response.