[Dovecot] Keyword Flags

[David Woodfall]

On (11/02/13 06:24), Timo Sirainen <tss at iki.fi> put forth the proposition:
>On Mon, 2013-02-11 at 04:14 +0000, David Woodfall wrote:
>> I mostly use Mutt to read mail but today I fired up Thunderbird.
>>
>> I have a shell script that looks for new mail, which looks for files
>> in cur/ and new/ ending with the server hostname or a comma.
>>
>> When I fired up TB it seems that all new mail has been given a flag of
>> ,a which I gather means it matches a keyword.
>
>Yes, see the 0 number in dovecot-keywords
>
>> My questions are:
>>
>> How did this happen?
>> Did TB do something strange to my mail when it fetched headers?
>> If I change my search parameters to ',[a-z]' will this only catch new
>> mail?
>
>I guess it marks it as $nonspam.

I just had a look in the dovecot.keywords file and it had:

0 junk
1 nonjunk

So it looks like TB labelled all my mailing list mail as junk.