Date: Fri, 12 Sep 2003 01:46:59 -0700 From: Marcus Reid <marcus@blazingdot.com> To: James Godwin <james@organicwire.net> Cc: freebsd-isp@freebsd.org Subject: Re: Anti Virus for mail server Message-ID: <20030912084659.GA53607@blazingdot.com> In-Reply-To: <BB8269A9.713A%james@organicwire.net> References: <1062767877.8cbd42c952096@mail.encontacto.net> <BB8269A9.713A%james@organicwire.net>
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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.
>
> Keeping windows virus updated updated is a mission so I was wondering what
> the ideal Anti Virus app I should use for our Sendmail and Qmail servers?
>
> Any ideas would be much appreciated.
To answer your question, I would check out Sophos antivirus running under
sophie. I have found it to be ~10x faster than f-prot (standalone, not the
daemonized scanner which may be faster) in an email content filter.
To try and convert you to postfix:
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: Excellent, flexible, reliable system. Best if all you want is
a mechanism for transferring rfc2822 messages over SMTP. However,
once you want fancy functionality like TLS and smtp-auth and
spam/virus filtering and other spam tactics, qmail starts looking
a little stiff. I was a qmail buff for years and still use it for
machines that just need plain-jane MTAs.
sendmail: Ugh. Sheer pain. A misbehaving beast that should be put onto a
rocket and launched into the sun.
postfix: Excellent, powerful MTA. I've found it to perform gracefully
under pressure, very efficient, good architecture, good ability
to clean up when spammers make a mess of you, good content
filtering, and a big bag of tricks for taming email in a
world full of resource stealing spammers. My current choice
for machines that have to handle a lot of email and do things
with it. My only complaint is that I like qmail's configuration
better. But postfix config was influenced by Sendmail (see above.)
so I forgive it. Oh, and the postfix-users mailing list has
almost as much traffic as freebsd-questions, with Weitese himself
joining in almost every meaningful discussion.
Ok, I'll stop now.
Marcus
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