From owner-freebsd-questions@FreeBSD.ORG Tue Apr 3 00:08:03 2007 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id E7C1616A412 for ; Tue, 3 Apr 2007 00:08:03 +0000 (UTC) (envelope-from kurt.buff@gmail.com) Received: from ug-out-1314.google.com (ug-out-1314.google.com [66.249.92.172]) by mx1.freebsd.org (Postfix) with ESMTP id 7077F13C489 for ; Tue, 3 Apr 2007 00:08:03 +0000 (UTC) (envelope-from kurt.buff@gmail.com) Received: by ug-out-1314.google.com with SMTP id 71so108956ugh for ; Mon, 02 Apr 2007 17:08:02 -0700 (PDT) DKIM-Signature: a=rsa-sha1; c=relaxed/relaxed; d=gmail.com; s=beta; h=domainkey-signature:received:received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=rA1xDITCmTuSp2N2H1QMRFNzAvI6lQTN0abAcQFYFfZCx8e1XFk69a0aGV4baUPAmG2yPQiw0WI9p4ra7Gxjd4FwlML5ewe3xwN928WlPTjcCvhKSYh6egmVAEbcKWLYkINNo1TAiZDbqNQayJpNiBpAFRMFEwupEzfo+iwI5Ls= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=WMavLl6/vEL+5Q4b9wJLaUGwh891mqB6fZy9BbcBSrUgzE8xlv3K79RzyYo/m5DA6G9iEiBy9GUIT1N6YUPfgxpoSXH5FkWB8mt9xmDm/9fdeZ6H6aL9oh5WfSEWOACK0+85+0HXwzsiRqUke7r/y7VWvYfMsGl6Ucyw1tVBHrU= Received: by 10.115.75.1 with SMTP id c1mr2027384wal.1175558880618; Mon, 02 Apr 2007 17:08:00 -0700 (PDT) Received: by 10.114.77.19 with HTTP; Mon, 2 Apr 2007 17:08:00 -0700 (PDT) Message-ID: Date: Mon, 2 Apr 2007 17:08:00 -0700 From: "Kurt Buff" To: "Angelin Lalev" In-Reply-To: <0875b56eeca4d320fd9fa7b0d940fce2@uni-svishtov.bg> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <0875b56eeca4d320fd9fa7b0d940fce2@uni-svishtov.bg> Cc: freebsd-questions@freebsd.org Subject: Re: advice on anti-spam tools X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 03 Apr 2007 00:08:04 -0000 Do you receive mail from lists such as this one? Do you receive mail from non-responding mailboxes, such as network notificationss, etc.? Do you care about your new correspondents? If you answer 'yes' to any of these messages, then a Challenge/Respons system isn't a good idea for you. Instead, since you are already using SpamAssassin, and the problem seems to be image spam, you should probably try installing FuzzyOCR instead, which is in ports. # make search name=fuzzyocr Port: p5-FuzzyOcr-2.3.b_2,1 Path: /usr/ports/mail/p5-FuzzyOcr Info: Plugin for SpamAssassin which scans image attachments for spam Kurt On 4/2/07, Angelin Lalev wrote: > Hi List, > > My e-mail server is running the latest spamassassin with all of the blacklist enabled and etc. > but I still receive over 20 spam messages a day ("image" spam mostly). > The situation with other users may be worse. That's why I was thinking about some tool that > 1. store incoming email > 2. send request to the sender of the message, requiring to go to some address and enter the numbers (letters) > from image > 3. if the puzzle is solved in time (week or so) deliver the message, otherwise delete it. > > Is there such tool(s) ? > > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org" >