RE: SpamAssassian with FreeBSD and Big Mail Server

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To: "'Christian Damm'" <christian.damm@diewebmaster.at>, "'Ion-Mihai Tetcu'" <itetcu@people.tecnik93.com>
Date: Thu, 24 Feb 2005 08:36:31 -0700

Sortmonster blows dspam out of the water, and you don’t even need to
use DNS BL's (which have their own potential problems.) It is native
to postfix, and you can basically configure default BSD, toss it in,
and put SA behind it - done.. We have a setup similar to this running
on a p4 1.8 Ghz w/ 1GB ram, which is also serving websites, and
some muds.

Why make it more complicated then it has to be. Sure, it costs
$30/mo - but considering the hardware and time you'll save, it's
worth it. The part people aren’t mentioning here is the (IMO)
extreme amount of tweaking dspam takes, and the fact I _believe_
it has to build its logic, which can make it useless for a while.
I much prefer things that simply work as intended when I drop them
on.. I don't know about you, but I have little time as it is, so
I try not to waste it :)

My 2 cents :)
D.

> -----Original Message-----
> From: owner-freebsd-isp@freebsd.org
> [mailto:owner-freebsd-isp@freebsd.org] On Behalf Of Christian Damm
> Sent: Thursday, February 24, 2005 8:01 AM
> To: Ion-Mihai Tetcu
> Cc: freebsd-isp@freebsd.org
> Subject: Re: SpamAssassian with FreeBSD and Big Mail Server
>
>
>
>
> Ion-Mihai Tetcu schrieb:
> > On Thu, 24 Feb 2005 15:14:28 +0100
> > Christian Damm <christian.damm@diewebmaster.at> wrote:
> >
> > [ ... ]
> >
> >
> >>small: 1 > 10000
> >>medium: 10000 > 100000
> >>big: 100000 > ...
> >>(i.m.h.o - it depends on who is looking at this)
> >>
> >>iron: im not a big fan of big "bloated" boxes in mailserver
> >>environments
> >>(sun`s and "mainframe" kind of stuff) - multiple fine tuned and
> >>carefully built x86 hosts (non SMP single CPU machinmes)
> running freebsd
> >>are all you need and they get cheaper every day... ;-)
> >>
> >>what kind of system-size/scalability you are after?
> >
> >
> > [ ... ]
> >
> > 30.000 domains (from personal sites to large traffic ones),
> only virus
> > / spam filtering and then relaying the mail to the "webservers" for
> > imap/pop/webmail access.
>
> ok - how many users (average) per domain?
>
> >
> > BL rejecting makes a 70% of inbound mail for top 30 of
> them, but still
> > a
>
> if not more than 70%
>
> > hell lot of spam passes and SA just can't handle the load.
>
> yes - thats what i said in my original posting
>
> >
> > My dspam experience is manly with corporate LANs and such, not ISP
> > installs.
>
> with _1_ tuned mid class x86 box with plenty of ram and fast
> i/o running
> freebsd and postfix, you could handle this for sure! - of
> course using
> every useful and available anti-spam possibility offered by
> postfix and
> rejecting as much as you can during the smtp session. i run one email
> gateway like this for a isp (around your size) on one extremely tuned
> std. x86 host (freebsd/postfix + all useful built-in antispam
> "wizardry"/amavisd-new/clamd/vexira/gld (greylist daemon)/dspam...of
> course no pop3/imap on this box - load is around 0.5 max.
>
> >
> >
> >
> >
>
> --
>
> mfg.
>
> christian damm
> technische leitung
> phone: dw 42
> email: christian.damm@diewebmaster.at
> icq at work: 124464652
>
> die webmaster - flötzerweg 156 - 4030 linz - austria
> phone: +43-732-381242, fax: +43-732-381242-22, isdn (leonardo):
> +43-732-381242-33
> homepage: www.diewebmaster.at, public email:
> office@diewebmaster.at _______________________________________________
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>

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