The Central Checksum Service (CCS) is an add-on to XWall and is designed to detect bulk e-mail on a worldwide level. To do this, XWall calculates a checksum of every incoming message and reports it to the CCS server. The CCS server cumulates incoming reports and responds how many message with the same checksum were circulating in the past few hours.

CCS Real-Time Statistic

Amount of messages reported to the CCS server

Green: amount of worldwide bulk mails
Blue: amount of messages that are blocked

Central European Time ( UTC + 01:00 )

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