Wasn't really for sure where to put this. We moved our mail server to a new machine. I had forgotten to add the reverse dns records to it for a few days. We ended up getting blacklisted on tiopan.com. I've personally never heard of this but aol and comcast are blacklisting us and this is the only rbl I can find that we are on. I do have reverse dns set up properly and dnsstuff says our server is fine. However, comcast is still blocking us. I tried contacting people at that site, but it looks like it was built by a 14 year old. I really have no idea how I can get us off of there. Does anyone know anything about that specific rbl?