Re: [exim] Innovative Host Blacklisting Idea

* on the Fri, Jun 15, 2007 at 12:37:12AM -0700, Marc Perkel wrote:

> I'm trying out a new idea for blacklisting hosts. I have several email
> servers for processing spam. These servers service my lowered numbered
> MX records. I also have several dummy mx records that are higher
> numbered than my real servers. So in theory no one should ever hit the
> higher numbered servers. Especially when the IP addresses are on the
> same server as the lower numbered MX.
>
> But as most of you know spammers don't play by the rules and they try
> hitting the higher MX records first thinking there's less spam filtering
> there. So what I'm doing is counting hits by IP address. At the moment
> they have to hit it 75 times to get blacklisted. And it's all spammers
> and spam bots.
>
> Who thinks this is interesting?

Sounds like a waste of effort to me. How many hosts has this method
caught so far that wouldn't have been caught by more common methods
anyway?

Mike