IP Address 203.78.99.245 is listed in the CBL. It appears to be infected with a spam sending trojan, proxy or some other form of botnet.
It was last detected at 2015-05-23 02:00 GMT (+/- 30 minutes), approximately 3 hours, 30 minutes ago.
It has been relisted following a previous removal at 2015-05-22 03:59 GMT (1 days, 2 hours, 10 minutes ago)
Perhaps the person who previously removed it didn't actually fix the problem.