Re: Postfix and Dspam, point me in the right direction?

13 msg	HOLD queue GUI
4 msg	Spam being sent from our mail server
3 msg	catch-all mail address
4 msg	sending mail is working but only local.
8 msg	2 postfix boxes as frontservers for MS Exchange...
3 msg	delayed delivery
2 msg	libspf2 and policyd
3 msg	Bypassing content_filter for trusted networks
8 msg	Changing UUCP-Sytsle-Adresses to Domain-Style-A...
9 msg	List of main.cf options
6 msg	'too many errors after RSET' with Outlook
2 msg	Virtual Users w/ LDAP and Authentication
3 msg	Multiple content filters?
2 msg	I don't know what to make of this

Postfix and Dspam, point me in the right direct...
\ Edwin de Graaf (24 Sep 2007)
. \ mouss (24 Sep 2007)
. \ Steve (24 Sep 2007)

14 msg	Postfix in base FreeBSD system
4 msg	Weird 'Connection timed out while sending messa...
4 msg	rewriting and redirecting incoming address
4 msg	master.cf config question
7 msg	LDAP smtpd_recipient_restrictions

Subject:	Re: Postfix and Dspam, point me in the right direction?
Group:	Postfix-users
From:	Steve
Date:	24 Sep 2007

-------- Original-Nachricht --------
> Datum: Mon, 24 Sep 2007 13:59:43 +0200
> Von: Edwin de Graaf <egraaf>
> An: postfix-users
> Betreff: Postfix and Dspam, point me in the right direction?

> I am trying to figure out the Postfix configuration to build a relay
> server that will add Dspam headers to mail for a lot of domains. I will
> have a lot of domains that will have MX records pointing to the
> spam-checking mail relays and I would like to have the relay servers do
> three things:
>
> 1 reject mail for users that do not exist so I will not have backscatter
> bounces from my maildrop servers that actually do local delivery.
>
> 2 use Dspam as a content_filter, or maybe a virtual_transport, something
> that will send the mail to Dspam and allow me to send it back to Postfix
> later. Dspam will accept mail from Postfix through SMTP and later send
> it back to Postfix with added headers. I would prefer to have only one
> Postfix instance that will accept mail on different ports.
>
> 3 Once the mail has been through Dspam, the relay servers should send it
> on towards the maildrop servers. On the maildrop servers my users will
> be able to use the Dspam headers for spam filtering if they choose to do
> so.
>
> So I would like to do this:
>
> Dspam
> | |
> SMTP | | SMTP
> | |
> external mail server -> Postfix on relay -> Postfix on maildrop server
>
> I can build MySQL tables to tell Postfix which users actually exist in a
> domain.
>
> I have looked at several documents for integrating Dspam with Postfix,
> but I have not seen one that does all of the above, and I would like to
> have some suggestions for Postfix configuration options that will help
> me build this.
>
Have a look here: http://forums.gentoo.org/viewtopic.php?t=580207

> Thank you for considering this.

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