[Tickets #12964] Default Spam filter rule doesn't work with Sieve

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Ticket URL: http://bugs.horde.org/ticket/12964
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  Ticket             | 12964
  Created By         | matti at rantakomi.fi
  Summary            | Default Spam filter rule doesn't work with Sieve
  Queue              | Ingo
  Version            | 3.1.3
  Type               | Bug
  State              | Unconfirmed
  Priority           | 1. Low
  Milestone          |
  Patch              |
  Owners             |
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matti at rantakomi.fi (2014-02-10 16:15) wrote:

Default rule "Spam filter" with options doesn't produce valid Sieve script.

Steps to reproduce:

1) Configure Ingo to use Sieve backend.
2) Try to Save and Activate Spam filter rule

Ingo outputs error message:

Script not updated: There was an error activating the script. The  
driver said: ingo: line 10: error: unknown test 'No' (only reported  
once at first occurence). ingo: error: validation failed.

----

Lines 9-13 produced on spam filter activation:

     9: # Spam Filter
     10: if No strings specified {
     11:     fileinto "Spam";
     12:     stop;
     13: }

As you can see there is "No strings specified" so the generated rule  
is invalid and thus cannot work. I suppose that correct Sieve rule my  
should be something like this:

     9: # Spam Filter
     10: if allof ( not header :comparator "i;ascii-casemap" :contains  
"X-Spam-Score" "-", header :value "gt" :comparator "i;ascii-numeric"  
"X-Spam-Score" ["5"] ) {
     11:     fileinto "Spam";
     12:     stop;
     13: }