DragonFly commits List (threaded) for 2009-05
Re: Your order
Ok, what I did was modify my milter filter to reject mail from
non-local sources sent to crater but containing a From: header
containing crater's domain name.
That should put a stop to the spam. Basically the spammer is sending
mail to crater's bestserv list using a From: address of
<user>@crater.dragonflybsd.org. I looked through the logs and there
are thousands of such spams, the random user generator the spammers
use just randomly found one that is actually subscribed to our
Sendmail does not have any sort of map file or filter that is
conditional on the connection coming from OUTSIDE the machine
that I can use to filter out From: headers that specify
crater.dragonflybsd.org. It just has an overall filter that
catches both local and remote sent email.