X-Junk-Score: 0 [] X-Cloudmark-Score: 0 [] Return-Path: Received: from mail.virtuelle.no ([91.189.123.91] verified) by mail.stalker.com (CommuniGate Pro SMTP 5.2.7) with ESMTP id 47542276 for CGatePro@mail.stalker.com; Sat, 06 Sep 2008 05:20:20 -0700 Received-SPF: pass receiver=mail.stalker.com; client-ip=91.189.123.91; envelope-from=nicolas.hatier@niversoft.com X-CGP-ClamAV-Result: CLEAN X-VirusScanner: Niversoft's CGPClamav Helper v1.72 (ClamAV engine v0.91.2) Received: from dummy.name; Sat, 06 Sep 2008 14:19:59 +0200 X-CGP-ClamAV-Result: CLEAN X-VirusScanner: Niversoft's CGPClamav Helper v1.8.0 (ClamAV engine v0.94) X-ExtFilter: Niversoft's DomainKeys Helper DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; d=niversoft.com; s=default; h=Message-ID:Date:From:User-Agent:MIME-Version:To:Subject: References:In-Reply-To:Content-Type; b=PDdF1EsPJgcnbCLtvMvGh9KZ4ANQqLu/I4Ul+eTR9JMGqs9GWWUGnxJaWWuNBXb1Jd FATMbZotBPLwMrK6zvUH4a+OkUILB3IWa6SFEfvAUKBR/nB8XXw2q5/WxMe5giiBzWYk iVgI1IIeX0tGK6tZ4YS64klFsNu8thp/NCnUQ= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=niversoft.com; s=default; l=4957; t=1220703596; x=1221308396; q=dns/txt; h=Message-ID:Date:From:User-Agent:MIME-Version:To: Subject:References:In-Reply-To:Content-Type; bh=TcSu/SegSKI38rxz Kg+tP87vWsKnP3UkiY7EhNLx31g=; b=beBKCOdcjpn+pFS2cMZKEtnTYz/M0drh pREZRFELnjsplbMgdoZHImnRXkU7hwvm1mra4c5/mHEa1hmenZyIiQQXuKECjp6Y i3gmZ5fcjgVqxNDimwEvKdD1+8SGkRoL1NjVLF90oYpSImlnBLFjEabvEEdasOPZ KL4uu77p7zI= Received: from dummy.name; Sat, 06 Sep 2008 08:19:56 -0400 Message-ID: <48C2756B.7020403@niversoft.com> Date: Sat, 06 Sep 2008 08:19:55 -0400 From: Nicolas Hatier User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.16) Gecko/20080708 Thunderbird/2.0.0.16 Mnenhy/0.7.5.666 MIME-Version: 1.0 To: CommuniGate Pro Discussions Subject: Re: greylisting with CGPro References: <20080905081738.GA19657@127.0.0.1> In-Reply-To: Content-Type: multipart/alternative; boundary="------------070503010609090209010009" This is a multi-part message in MIME format. --------------070503010609090209010009 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable CGP has sync rules since v5.1, I think. Async processing of rules is=20 enabled by default, but moving to sync allows to reject messages at SMTP = level. I'm not 100% sure however this would allow the level of control of=20 server responses required to do greylisting. I still think two set of rules (one for SMTP level and another for=20 post-queue) would be helpful, not necessarily for greylisting but for=20 other filters too. Regards, Nicolas Hatier Michael Katz wrote: > Mike Cardwell wrote: > =20 >> * on the Wed, Sep 03, 2008 at 11:04:48AM +0200, Alessandro de Manzano = wrote: >> >> =20 >>> I'm using CGPro 5.1.6 on a FreeBSD 6.x machine, and I would experimen= t >>> e-mail greylisting. >>> Anyone would share his experience about this ? >>> Which add-on software do you recommend for greylisting with CGPro ? >>> =20 >> This could be achieved with an External Helper script. I am unaware of= >> any pre-made ones that do this though. I have an Exim server in front >> of my CommuniGate server, so do the greylisting at that level. It's >> highly effective at reducing spam. >> =20 > > > I am unaware of CGP providing this type of pre-queue control to helper > scripts, they are all post-queue. Though there is a pre-queue like mod= e > for applying helper rules before data is fully accepted it is not the > same as something like the Postfix Access Delegation Protocol. This > has been a big deficiency for using CGP as a filtering front-end and it= > would be great if this was resolved. Seems to be a very low priority > though. > > > > > =20 >> Mike >> =20 > > =20 --=20 *Nicolas Hatier* /Niversoft id=C3=A9es logicielles/ /http://www.niversoft.com/ --------------070503010609090209010009 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable CGP has syn= c rules since v5.1, I think. Async processing of rules is enabled by default, but moving to sync allows to reject messages at SMTP level.

I'm not 100% sure however this would allow the level of control of server responses required to do greylisting.

I still think two set of rules (one for SMTP level and another for post-queue) would be helpful, not necessarily for greylisting but for other filters too.

Regards,
Nicolas Hatier

Michael Katz wrote: 
Mike Cardwell wrote:
  
* on the Wed, Sep 03, 2008 at 11:04:48AM +0200, Alessa=
ndro de Manzano wrote:

    
I'm using CGPro 5.1.6 on a FreeBSD 6.x machine, and =
I would experiment
e-mail greylisting.
Anyone would share his experience about this ?
Which add-on software do you recommend for greylisting with CGPro ?
      
This could be achieved with an External Helper script.=
 I am unaware of
any pre-made ones that do this though. I have an Exim server in front
of my CommuniGate server, so do the greylisting at that level. It's
highly effective at reducing spam.
    


I am unaware of CGP providing this type of pre-queue control to helper
scripts, they are all post-queue.  Though there is a pre-queue like mode
for applying helper rules before data is fully accepted it is not the
same as something like the Postfix Access Delegation Protocol.   This
has been a big deficiency for using CGP as a filtering front-end and it
would be great if this was resolved.  Seems to be a very low priority
though.




  
Mike

--

Nicolas Hatier
Niversoft id= =C3=A9es logicielles
http://www.niversoft.com


--------------070503010609090209010009--