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What you see when your domain has this problem
Added to CASA CBL Details area Ignore

More Information About Casa Cbl

A listing by the China Anti-Spam Alliance CBL (CASA CBL) indicates that they have received spam from the listed IP. CASA started its blacklist service in 2003 with 4 blacklist databases CBL, CDL, CBL+, and CBL-. 

More information about CASA CBL can be found at their website: http://www.anti-spam.org.cn/