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Weekly reports of DNS blacklists lookups of IP addresses (and reverse DNS lookups) that made SMTP connections to the San Diego Supercomputer Center on that week. Useful for getting a grasp of the size of the various blacklists. Maintained by Jeff Makey.
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Provides reports on whether there is recent spam activity within each IP block, especially spamvertised web site addresses. Check if you are sharing your address block with spammers.
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Lists IP blocks of China and Korea for those who want to avoid asian spam.
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The CBL is a DNSBL which takes its source data from very large spamtraps, and lists IPs of open proxies and worms/viruses.
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This list contains email servers which are non-secure and potentially servers with dumb and/or malicious users. It is purely composed of data DSBL receives; DSBL should never send out data by itself.
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Lists all DNSbl's (RBL's) and enables users to make a query against all the lists.
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A manually updated and verified online database of spammers. Provides email address and domain blocklist.
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Blacklist that includes dialup equivalent ip addresses, individual spam sources, netblocks that refuse to remove spammers, bulk mailers that don't require confirmed opt-in, output servers from multi-stage open relay chains and single stage open relays not listed on ORBZ.
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MAPS maintains the Realtime Blackhole List.
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RHS-style lists of domains which have sent spam to MailPolice customers. Currently divided into two lists, bulk senders - domains associated with bulk mail - and pornography - domains associated with sending and hosting pornographic content.
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Spam blocking blacklist of open relays, dial-ups, and direct spam sources.
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A permanent blocklist of spam supporting web hosts and ISPs.
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This list contains IP addresses which have been reported to SpamCop as carriers of spam (source of e-mail or verified, open relay). Some of these reports now come from spamtraps (email addresses used strictly to receive spam).
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All IPs on the SBL belong to known spammers, spam gangs, or spam support services. The SBL includes IPs from both the ROKSO database and IPs of spam services listed in the Spamhaus database.
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Automated spam blocklist system, designed to block spam at the SMTP level.
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List of live spamware sites and related links.
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Provides tools and instructions for maintaining a local real-time DNS blacklist, online spam database, graphs, and blacklists for download via ftp and rsync.
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Publishes a list of known abusive hosts (open relays, open proxies, spam sources, DoS drones, and more) in various forms including a DNSbl.
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ROKSO collates evidence on known hard-line spam outfits that have been thrown off Internet Service Providers over three times.
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Attempt to generate a free realtime black list of spammer IP numbers.
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List of domains that have been advertised via spam, with name server, registration date, registrant. This list is updated daily.
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As a public service, McFadden Associates maintains a free DNSBL blacklist. Anyone sending SPAM into their mail filters is automatically added for a period of thirty days.
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The home for domains who don't play by the rules. A number of lists (at present "dsn", "abuse", "postmaster", "whois" and "ipwhois") which contain domains or IP networks whose administrators choose not to obey the RFC's, the building block "rules" of the net.
