For completeness: http://wiki.apache.org/spamassassin/Rules/RCVD_IN_DSBL For the last three years this page has mentioned this rule is gone because dsbl.org is gone.
The bug where it was removed from SA, four years ago: https://issues.apache.org/SpamAssassin/show_bug.cgi?id=5988 The thing to look for and remove is stuff in your MTA configuration, which I had years ago, in my postfix main.cf: reject_rbl_client list.dsbl.org -- "If you believe everything you read, better not read." - Japanese Proverb http://www.ChaosReigns.com
