lib/Mail/SpamAssassin/Plugin/SPF.pm [459:488]:
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	  my $identity = '';	# we assume it's a mfrom check if we can't tell otherwise
	  if (defined $2) {
	    $identity = lc($2);
	    if ($identity eq 'mfrom' || $identity eq 'mailfrom') {
	      next if $scanner->{spf_checked};
	      $identity = '';
	    } elsif ($identity eq 'helo') {
	      next if $scanner->{spf_helo_checked};
	      $identity = 'helo_';
	    } else {
	      dbg("spf: found unknown identity value, cannot use: $identity");
	      next;	# try the next Received-SPF header, if any
	    }
	  } else {
	    next if $scanner->{spf_checked};
	  }

	  # we'd set these if we actually did the check
	  $scanner->{"spf_${identity}checked"} = 1;
	  $scanner->{"spf_${identity}pass"} = 0;
	  $scanner->{"spf_${identity}neutral"} = 0;
	  $scanner->{"spf_${identity}none"} = 0;
	  $scanner->{"spf_${identity}fail"} = 0;
	  $scanner->{"spf_${identity}softfail"} = 0;
	  $scanner->{"spf_${identity}temperror"} = 0;
	  $scanner->{"spf_${identity}permerror"} = 0;
	  $scanner->{"spf_${identity}failure_comment"} = undef;

	  # and the result
	  $scanner->{"spf_${identity}${result}"} = 1;
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lib/Mail/SpamAssassin/Plugin/SPF.pm [510:539]:
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          my $identity = '';    # we assume it's a mfrom check if we can't tell otherwise
          if (defined $2) {
            $identity = lc($2);
            if ($identity eq 'mfrom' || $identity eq 'mailfrom') {
              next if $scanner->{spf_checked};
              $identity = '';
            } elsif ($identity eq 'helo') {
              next if $scanner->{spf_helo_checked};
              $identity = 'helo_';
            } else {
              dbg("spf: found unknown identity value, cannot use: $identity");
              next;     # try the next Authentication-Results header, if any
            }
          } else {
            next if $scanner->{spf_checked};
          }

          # we'd set these if we actually did the check
          $scanner->{"spf_${identity}checked"} = 1;
          $scanner->{"spf_${identity}pass"} = 0;
          $scanner->{"spf_${identity}neutral"} = 0;
          $scanner->{"spf_${identity}none"} = 0;
          $scanner->{"spf_${identity}fail"} = 0;
          $scanner->{"spf_${identity}softfail"} = 0;
          $scanner->{"spf_${identity}temperror"} = 0;
          $scanner->{"spf_${identity}permerror"} = 0;
          $scanner->{"spf_${identity}failure_comment"} = undef;

          # and the result
          $scanner->{"spf_${identity}${result}"} = 1;
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