Hi,
Does anyone know how I can monitor our server’s for blacklisting? We run a large amount of shared hosting & reseller hosting servers and from time to time one of the IP’s will get blacklisted. I’m looking for a way to be notified if any of our IP’s get blacklisted. Is this possible?
Howdy,
I unfortunately don’t know of a free way to do this… though there are various services out there who will do that for you for a fee.
A few examples of such a service are here –
http://www.blacklistmonitor.com/
http://www.mailworkz.com/products/blacklistmonitor.htm
If you run into other ways to do that, let us know! 
-Eric
Hi, i’m using http://exactstate.com/ it’s the pro service for the free http://basicstate.com/ It’s very affordable, accurate and you can configure in a number of ways your monitoring, including IP blacklisting.