Date: Fri, 12 Sep 2003 02:03:07 -0700 From: Pat Lashley <patl+freebsd@volant.org> To: Marcus Reid <marcus@blazingdot.com>, James Godwin <james@organicwire.net> Cc: freebsd-isp@freebsd.org Subject: Re: Anti Virus for mail server Message-ID: <3374345408.1063357387@mccaffrey.phoenix.volant.org> In-Reply-To: <20030912084659.GA53607@blazingdot.com> References: <1062767877.8cbd42c952096@mail.encontacto.net> <BB8269A9.713A%james@organicwire.net> <20030912084659.GA53607@blazingdot.com>
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--On Friday, September 12, 2003 01:46:59 -0700 Marcus Reid <marcus@blazingdot.com> wrote: > On Mon, Sep 08, 2003 at 05:15:21PM +0200, James Godwin wrote: >> Hi, >> >> There has been no need for Anti Virus on our mail servers as most of our >> clients are Mac users and our windows clients have anti virus installed >> on their machines. I've got a mostly FreeBSD/Solaris/MacOS X/Linux shop; and found it was worth putting in virus checking just so we wouldn't have to wade through the piles of sobig.f crap in our mailboxes. > I've spent a lot of time with qmail/qmail-scanner, sendmail/mailscanner, > and postfix/amavisd-new. Of these, here are my personal findings: > > qmail: ... > > sendmail: ... > > postfix: ... This list really can't be considered to be anywhere near complete without including Exim. Particularly the latest versions with the exiscan-acl patches. Those not only allow you to integrate virus scanning and anti- spam features into a powerful, flexible ACL; those ACLs let you reject the offending message while the SMTP connection is still open. (So no undeliverable bounce messages clogging up your outgoing queues.) (The FreeBSD mail/exim port automatically includes the exiscan-acl patches.) Exim is easy to configure, -very- flexible, and capable of handling fairly large traffic levels if required. I can also heartily recommend clamav as a virus scanner. (Also installable via a port. As is SpamAssassin.) -Pat
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