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On 05/02/2007 07:29 AM, Hugo Monteiro wrote:
> Toni Mueller wrote:
>> Hi,
>>
>> I've come to need spam-filtering to be switched on and off on a
>> per-user basis. So, the alternatives seemed to be to switch to qpsmtpd
>> (postponed), hack qmail-scanner to add LDAP support and then use a
>> modified scheme, or utilize deliveryProgramPath after the message has
>> been accepted. One of our users has this requirement for his mail
>> server and argues with legal problems (German law has become very
>> strict on email filtering, tagging etc.). In his case, also email
>> forwarding to a different server which isn't directly on the Internet
>> is a requirement. The usual message flow looks like this:
>>
>> Internet ->
>>
>> qmail-smtpd -> qmail-local -> filter-program(s) -> qmail-remote
>>
>> -> other mail server
>>
>> So, I hacked together a script (currently 200 lines in Python) that
>> does all that, based on its command line arguments from the
>> deliveryProgramPath attribute of a given user. But I don't feel too
>> comfortable with it (it's _fat_ and _slow_) and wanted to know if there
>> might be a simpler solution. Filtering everything via QS (what I
>> normally do, at least on our internal servers) is disallowed in this
>> case.
>>
>> How are you solving this case?
Toni, SpamAssassin is able to save preferences and user
options in the LDAP, that could help you. The other thing, using
simscan you can enable/disable SPAM or Virus checking on a
per-email basis using ~qmail/control/simcontrol.
> Hello,
>
> Personally i'm using DSPAM to do content filtering and message tagging.
> Messages are fed to it using inter7 simscan (qmail-queue replacement),
> and this setup has proved to be very good indeed. DSPAM is an awsome
> bayesian content filter with a rich set of features such as per
> user/group preferences and internal quarantine engine. Day-to-day
> configurations can be preformed by admins (global and users prefs) and
> by the users itself using a nive web interface.
>
> In terms of message flow, i have it working something like this:
>
> qmail-smtpd ---> simscan ---> DSPAM ---> simscan ---> qmail-queue --->
> etc...
>
> In the case you are interested, i may provide you a set of patches to
> make this play really smooth between dspam, simscan and qmail-ldap.
I'm using qmail-ldap + simscan + spamassassin + clamav on
a Debian Sarge (3.1) machine, that is going to be upgrade in a
few weeks. I have a real interest in use both SpamAssassin and
DSPAM to filter e-mails, specially if one could feed information
to the other, your setup is using DSPAM as the only spam filter?
I really want to give it a try, but the training curve
seems to be larger than the pre-set rules from SA, not sure about
the results after a few months, but I heard lots of good stuff
about DSPAM and CRM114.
> Regards,
> Hugo Monteiro.
Kind regards,
- --
Felipe Augusto van de Wiel <[EMAIL PROTECTED]>
Coordenadoria de Tecnologia da Informação (CTI) - SEDU/PARANACIDADE
http://www.paranacidade.org.br/ Phone: (+55 41 3350 3300)
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