[Dovecot] mail messages moving between mailfolders

[taras at elantech.ru]

taras at elantech.ru пишет:
> Hello to all!
>
> I'm using IMAP-based antispam self-learning. I have a folder "spam" in 
> each Maildir in which I place spam-tagged messages during delivery. If 
> antispam filter makes mistake, user can drag'n'drop message to/from 
> "spam" folder. I running perl-script periodicaly and retrain 
> spam-filter (dSpam). Now I must scan all messages, but it's not a good 
> practice (server load depends from mail volume, not user activity) so 
> I want add a "hook" to IMAP-server,  i.e. I  want server to report me 
> something like "date: file1 -> file2" via any IPC (socket?) or log 
> file while user moves messages across different mail folders. Overload 
> from antispam retraining will be function from user activity with such 
> feature added.
>
> P.S.: Now I'm using courier, but want to try dovecot.
>
> Sorry for bad English.
> With respect, Taras.
>
Sorry, I forget to ask question :)
I need recomendations from experienced people about described situation. 
Is it's good practice practice to add "hook" to IMAP server for reaching 
user-friendly  server-side antispam training?

-- 
С уважением, Савчук Тарас
"ЭЛАНТЕК"
+7 (495) 589 68 81
+7 (926) 575 22 11
http://www.elantech.ru