http://bugzilla.spamassassin.org/show_bug.cgi?id=4461

           Summary: mass-check --reuse cannot deal with previously-unscanned
                    mail
           Product: Spamassassin
           Version: SVN Trunk (Latest Devel Version)
          Platform: Other
        OS/Version: other
            Status: NEW
          Severity: major
          Priority: P2
         Component: Masses
        AssignedTo: [email protected]
        ReportedBy: [EMAIL PROTECTED]


Noted from discussion on dev.  It seems that "mass-check --reuse" essentially
works by zeroing the reused rules entirely, and this means that if a corpus
contains messages that were not scanned by SpamAssassin with network tests
active, it will simply consider those mails to be missed by the reused
rules.

There's a range of connected issues;

  - should it re-enable those rules somehow, dynamically? (I think this
    may be best.)

  - should it issue a warning?
  
  - or maintain a file containing the mass-check IDs of mails that need a full
    scan, instead?
  
  - what if the user has not installed Mail::SPF::Query, or a similar required
    module, or was running with -L, and therefore would have X-Spam-Status
    lines but never any hits on those rules?

Also worth noting that many SPF_FAIL hits on ham noted in prior mass-checks
were due to changes in SPF records over time.  Reusing SPF may be the only
viable way to mass-check SPF using old corpora.



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