Spamhaus Exploits Block List (XBL)

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The Spamhaus Exploits Block List (XBL) is a realtime database of IP addresses of hijacked PCs infected by illegal 3rd party exploits, including open proxies (HTTP, socks, AnalogX, wingate, etc), worms/viruses with built-in spam engines, and other types of trojan-horse exploits.

If your IP address is listed by the XBL, see the XBL FAQs for solutions

XBL is a list of spam sources due to exploited computers or other devices. It is mostly composed of--as well as the primary distribution zone for--CBL data ( It may also include other lists of spam sources due to exploited computers and other devices.

We monitor this blacklist since 2015-01-01. More information:

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