Date: Thu, 24 Feb 2005 16:01:24 +0100 From: Christian Damm <christian.damm@diewebmaster.at> To: Ion-Mihai Tetcu <itetcu@people.tecnik93.com> Cc: freebsd-isp@freebsd.org Subject: Re: SpamAssassian with FreeBSD and Big Mail Server Message-ID: <421DEC44.5030100@diewebmaster.at> In-Reply-To: <20050224164327.56d29617@it.buh.tecnik93.com> References: <20050223110037.177AB43D2F@mx1.FreeBSD.org> <421C8A60.8010407@diewebmaster.at> <20050224004857.7413d567@it.buh.tecnik93.com> <421D59C8.2080209@diewebmaster.at> <20050224140023.35d627dd@it.buh.tecnik93.com> <421DE144.3050705@diewebmaster.at> <20050224164327.56d29617@it.buh.tecnik93.com>
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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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