On Mon, 20 Oct 2014 08:18:51 -0400 Robert Moskowitz <[email protected]> wrote:
> SInce this is about mail and spam, I thought this might be a good > place to ask about nolisting: > > http://en.wikipedia.org/wiki/Nolisting > > I get ~ 7000 messages/day on my server, with ~70% getting tagged as > spam. > You could have no DNS record for your server. It wouldn't matter. Many botnets don't bother with DNS. They stupidly scan the ip space sequentially for mail servers. The best thing to do in such a case is to drop connections from their ip blocks.
