Re: Best practice integration of DSPAM into mail system with separate Postfix and Dovecot VMs

1) If you're using IMAP clients you could set up ham/spam folders for
each user into which they copy/move  good/bad email. Every so often copy
(scp, unison, rsync, etc) the email into a folder for each email user to
the server running dspam and train there using bash scripts. The email
folder should have the [email protected] so that you can train DSPAM per
user, if you want.

2) If you're clients are running POP3, create seperate IMAP accounts for
each user on the dspam host using dovecot. So each user will have one
POP3 account on your mail server and an IMAP account on the dspam host.
Users will copy/move good/bad mail to the IMAP ham/spam folder. You can
train on each user's ham/spam folder, or 3) Each user forwards the
ham/spam back to training accounts on the dspam host of the following to
the following addresses:

Forward “false positives” to: [email protected]
<mailto:[email protected]>
Likewise you can send missed spam to:  [email protected]
<mailto:[email protected]>

Eric

On 2/18/2015 10:19 PM, Орхан Касумов wrote:
>
> Hello, please share an advice!
>
> If I have separate Postfix and Dovecot VMs, should I:
>
> 1) install DSPAM as a completely separate 3rd VM (which I'd prefer),
> 2) or install it on Postfix VM,
> 3) or install it on Dovecot VM?
>
> The confusing point for me is DSPAM retraining via Dovecot antispam
> and sieve. When everything is on a single VM, I can put in
> /usr/local/etc/dovecot/conf.d/90-plugin.conf:
>
> antispam_backend = dspam
> ...
> antispam_dspam_binary = /usr/local/bin/dspam
>
> Here the last statement implies that DSPAM is on the same VM with
> Dovecot. But if I wanted to separate DSPAM completely, how should I
> accomplish DSPAM retraining? Or it is not a recommended setup - to
> have a dedicated DSPAM server?
>
> P.S. For some reason, all HowTos in the Internet describe mail system
> setup with Postfix, Dovecot and DSPAM on the same VM. While it's
> useful as a working TEST setup, it gives no idea (and doesn't even
> come close) on how to implement a REAL setup with separate Postfix,
> Dovecot and DSPAM components.
>
> Thanks in advance!
>
>
>
>
> -- 
> Орхан Касумов
>
>
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