Date: Wed, 28 Nov 2001 16:30:29 -0500 From: "Blake Crosby" <dev@samurai.com> To: "Christian Kratzer" <ck@cksoft.de>, "Kevin Turner" <kevin@freedomhosting.com> Cc: <freebsd-isp@freebsd.org>, <kevin@blacklight.ca> Subject: RE: Virus filters? Message-ID: <JAEEIJKIHAONENKPFCCPIEJFCBAA.dev@samurai.com> In-Reply-To: <Pine.LNX.4.33.0111282221560.1556-100000@hirvi>
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You can also use a regexp to filter out messages you dont want: In main.cf body_checks = regexp:/etc/postfix/body_checks in body_checks: /^I send you this file in order to have your advice$/ REJECT /^I hope you can help me with this file that I send$/ REJECT (the above is a regexp I use to stop messages that were infect with nimda to be delivered) Blake > -----Original Message----- > From: owner-freebsd-isp@FreeBSD.ORG > [mailto:owner-freebsd-isp@FreeBSD.ORG]On Behalf Of Christian Kratzer > Sent: November 28, 2001 4:23 PM > To: Kevin Turner > Cc: freebsd-isp@freebsd.org; kevin@blacklight.ca > Subject: Re: Virus filters? > > > Hi, > > On Wed, 28 Nov 2001, Kevin Turner wrote: > > > Hello, > > > > I have a some FreeBSD machines all running sendmail. I need a way > > to block all these .exe, .pif files, etc. They are getting > really bad and > > are > > starting to affect our customers. > > > > What would be the best way to prevent our users from receiving > these emails? > > I use postfix+amavis+sophos antivirus for freebsd. > > Of course you will have to license sophos or any other virus scanner > for the number of mailboxes you have which does cost a bit. > > Greetings > Christian > > -- > CK Software GmbH > Christian Kratzer, Schwarzwaldstr. 31, 71131 Jettingen > Email: ck@cksoft.de > Phone: +49 7452 889-135 Open Software Solutions, > Network Security > Fax: +49 7452 889-136 FreeBSD spoken here! > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-isp" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message
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