[Dovecot] dovecot-antispam plugin and "Failed to call dspam" message

[Jeremy Doran]

Marcin Rzepecki wrote:
> Sat, Jun 13, 2009 at 07:34:49AM -0700, Jeremy Doran wrote:
>> Hi,
>>
>> I had this working until I recently upgraded Dovecot, and now I'm getting a message back from
>> Thunderbird of "Failed to call dspam." when I attempt to move a message into one of the designated
>> spam folders.
>>
>> However, I know from looking at the dspam system.log file, the retraining actually happens - so it
>> -does- appear to be calling dspam. It appears that the 'move' operation fails.
>> [...]
> 
> Hi Jeremy,
> i've tried to figure it out some time ago. As you mentioned, dspam is
> called ok, however error is still reported.
> I'm applying following patch to avoid reporting error and all is working
> great for me. I'm using dspam-devel version, but it should not make no
> difference.
> 

This did suppress the error and the move to the 'spam' mailbox succeeded.

Though, it would be good to know why it trips over.

Thanks,
-jcd