[Dovecot] Dovecot aspects of fighting spam

[Steve]

-------- Original-Nachricht --------
> Datum: Tue, 1 Jun 2010 09:42:18 -0400
> Von: Phil Howard <ttiphil at gmail.com>
> An: Dovecot Mailing List <dovecot at dovecot.org>
> Betreff: [Dovecot] Dovecot aspects of fighting spam

> I see no documents in the Dovecot documents wiki on how Dovecot
> features can be used in the fight against spam.  One hit came up in a
> search, and it was about how to fight spam in the MoinMoin Wiki itself
> (e.g. TextCHAs and such).
> 
> I already asked in another thread about removing message files at the
> search from a designated "learn-spam" folder.  My next question would
> be how to automatically place detected spam into a specific folder for
> the user to access or ignore as they deem fit.  That would seem to me
> to be something for the deliver command and its -m option.  But this
> might be more of a Dovecot and MTA coordination issue, too (e.g. how
> to get the spam detection done in the MTA ... Postfix in my case ...
> to become a label of some sort that ends deciding the folder.  The -m
> option might be harder to get it dynamically set since it would be
> hard coded in master.cf for Postfix (so a variable has to be able to
> direct it to INBOX in this case).
> 
> But maybe the "standard" way of doing this is to shim another program
> between the MTA (Postfix for me) and the LDA (Dovecot deliver) to
> dynamically add the -m option on the fly?  Lacking any other clever
> solution, this seems to me to be the way I could make it work.  Maybe
> there is a special header deliver could detect, such as "X-Spam: yes"?
> 
> A wiki document on how Dovecot helps (or how to help Dovecot) in the
> fight against spam, I think, would be helpful.
>
Maybe you are looking for something like this:
https://sourceforge.net/apps/mediawiki/dspam/index.php?title=Filter_results_with_Dovecot_Sieve
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