Are there any other DNSBL use cases?

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Are there any other DNSBL use cases?

There are some additional, limited use cases.

• Using the data in the SBL and XBL portions of the Spamhaus DNSBL zones can be used to prevent blog and guestbook spam and abuse.
• Some Apache webserver plugins like mod_spamhaus and Squid DNSBL redirector can be used to ban blocklisted visitors to a website.

NOTE: Reading the FAQ on the XBL is a must before trying these techniques.

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