NOTE: Results on VBSpam are achieved by using only the DQS dataset, meaning that if you just add an antivirus to your email filtering setup you can potentially reach the same performance as other commercial antispam products. The difference between them is that DQS catches up to 42% more spam than our public mirrors. We are independently tested by Virus Bulletin, a company that tests both DQS and public mirror performances. HBL is a zone dedicated to deal with sextortions/scam cryptowallets, dropbox emails and malicious files. If one of your customers gets their credentials stolen, AuthBL greatly mitigates the ability of botnets to abuse the account, and keeps your MTAs safe from collateral damage. It is a list of IPs that are known to host bots that use stolen credentials to spam. It also gives return codes that indicate the age of the domain (in hours) since first detection.ĪuthBL is primarily designed for use by anyone operating a submission SMTP server. ZRD automatically adds newly-registered as well as previously-dormant domains to a block list for 24 hours. Paid-for DQS users will also get access to the Hash BlockList (HBL). Sixty seconds doesn't seem like much, but when dealing with hailstormers they are crucial: the increase in catch rate between the public mirrors and DQS is mostly due to the real time updates.Īlong with the above advantage, free DQS users will also get two new zones to query, Zero Reputation Domains (ZRD) and AuthBL. With DQS, Spamhaus provides real time updates instead of the one-minute-delayed updates that are used by the public mirrors and the RSYNC feed. What is the difference between paid-for and free DQS?ĭata Query Service (DQS) is a set of DNSBLs, updated in real-time, operated by Spamhaus Technology ( )Īll zones, their definitions, and all possible return codes are documented here.This repository contains the configuration files and a plugin written for SpamAssassin, ( ) for use with Spamhaus Technology Data Query Service (DQS) product.
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