http://issues.apache.org/SpamAssassin/show_bug.cgi?id=5209

           Summary: Suggest  checking all untrusted addresses against XBL.
           Product: Spamassassin
           Version: 3.1.7
          Platform: Other
        OS/Version: other
            Status: NEW
          Severity: normal
          Priority: P5
         Component: Rules (Eval Tests)
        AssignedTo: [email protected]
        ReportedBy: [EMAIL PROTECTED]


Today I recieved a piece of spam with the following routing:
Spammer -> Open Proxy (XBL listed) -> Open Relay (unlisted) -> My host

Because spamassassin does not check the XBL except with -lastexternal, and
because the open relay was unlisted, the spam was falsely marked as ham.

Is there a good reason why we only check the XBL against the last connecting
machine? Even if you assume all open relays are listed somewhere, the spammer
can still connect to a closed relay (that is open to the spammer).



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