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Spamhaus PBL+SBL+XBL http://www.spamhaus.org/ BR Note that Spamhaus is NOT free for commercial or high volume use, see: http://www.spamhaus.org/organization/dnsblusage.html_ BR SPAMCOP http://www.spamcop.net/ BR NJABL http://www.njabl.org/ BR AHBL http://www.ahbl.org/ BR SORBS http://www.sorbs.net/ BR MAPS http://www.mailabuse.org/ BR _If you're installing SpamAssassin for site-wide use, you must license their services; mail-abuse.org is now only free for personal use. (Note that SpamAssassin still works very well without using these services, however.)
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