Date: Wed, 23 Aug 2006 11:34:12 -0500 (CDT) From: Philip Hallstrom <freebsd@philip.pjkh.com> To: bsd <bsd@todoo.biz> Cc: Liste FreeBSD <freebsd-questions@freebsd.org> Subject: Re: Cluster mail system using FreeBSD Message-ID: <20060823113137.P65656@bravo.pjkh.com> In-Reply-To: <15B94964-B313-4FDD-B667-24F7D2393B8B@todoo.biz> References: <15B94964-B313-4FDD-B667-24F7D2393B8B@todoo.biz>
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> I am looking for the best possible solution in order to setup a High > availability mail cluster using FreeBSD (smtp/imap/pop server with 1000 > accounts). > > > > Selected software are as followed : > ----------------------------------- > > - Postfix > - Amavisd-new > - SpamAssassin > - Courier Imap > - DCC-DCCD > - Clamav > - a web mail (not yet selected but probably horde) > > > The idea is to offer a simple and very efficient solution in order for the > server to have a 100% uptime under any circumstances. > > I would like (if possible) to stick to software available in the ports (for > ease of maintenance). > > > I was first thinking about using Linux-HA aka. "heartbeat" and syncing the > two boxes using rsync ? > > What other solution would you think of ? Can't really help with the HA aspect, but I'd take a look at: http://www.freebsd.org/cgi/url.cgi?ports/mail/postfix-policyd-weight/pkg-descr "Policyd-weight is (as the name says) a weighted policyd for Postfix. It uses HELO, MAIL FROM and the MTA IP address for scoring their correctness. It also uses definable DNSBLs and RHSBLs in a scored fashion." I've been using that instead of spamassassin (which can be a memory hog) and very little spam makes it through. It's nice in that it doesn't even have to accept the message body to do it's thing. Also, consider, clamsmtp http://www.freebsd.org/cgi/url.cgi?ports/security/clamsmtp/pkg-descr for tying clamav into postfix without having ot use amavisd... And lastly, you might take a look at roundcube for webmail... http://roundcube.net/
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