That's perhaps what I'm after. Most spam that we receive seems to originate from the US. While we do have a couple of US based clients, they could be whitelisted if necessary.
Thanks for the tip. Ralph > -----Original Message----- > From: Matt Kettler [mailto:[EMAIL PROTECTED] > As far as I can tell, time-based filtering is really geographic filtering. > At that point, you might as well better off using blackholes.us.