https://bz.apache.org/SpamAssassin/show_bug.cgi?id=8278

            Bug ID: 8278
           Summary: RCVD_IN_VALIDITY_* rules fail badly
           Product: Spamassassin
           Version: 4.0.0
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Rules
          Assignee: dev@spamassassin.apache.org
          Reporter: corbet...@lwn.net
  Target Milestone: Undefined

My site recently hit the query limit imposed by Validity on its DNSBL resources
earlier this year.  The result was that *every* email examined by SpamAssassin
triggered both RCVD_IN_VALIDITY_CERTIFIED and RCVD_IN_VALIDITY_SAFE.  That
subtracted five points from the score of every message, with the result that
vast amounts of spam got through.

It seems that the Validity DNSBL tests should properly catch the failure case,
reported as:

  28.88.79.45.sa-trusted.bondedsender.org. 10 IN TXT "Excessive Number of
Queries | https://knowledge.validity.com/hc/en-us/articles/20961730681243";

...and not adjust the message's score.

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