04-10-2006, 05:31 PM
You can check to see if a mail server, domain name, or IP address is on a SPAM blacklist by using these tools:
http://www.dnsstuff.com/tools/ip4r.ch?ip=
http://openrbl.org/client/#
http://www.dnsstuff.com/tools/ip4r.ch?ip=
http://openrbl.org/client/#